Positive displacement pumps

Positive displacement pumpsets are described by characteristics such as mode of operation, type of duty and durability.

Uniclass2015 - Pr_65_53_96_64 Positive displacement pumps
Reference Notes
NBS Code

90-12-70/410 Positive displacement pumpsets

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Download manufacturer object defintion template

Manufacturer Product Data template

Complete this electronic spreadsheet to ensure that your Positive displacement pumps product information meets the requirements of Level 2 BIM. This is important as it will enable your customers to select, specify and use your products within the BIM environment. Once you have completed this template you can host it on your own website or distribute it to your customers. Please note that we do not host completed product data templates within the BIM Toolkit.

3

Requirement

Visual information to provide developed principles of the design to a greater level of detail. Developed coordination between all professions. Visual development showing coordination for general size and primary relationships between different elements of the construction. Can form a brief for a specialist sub-contractor or fabricator to progress with their technical design, fabrication and installation. This would be expected to include critical dimensional coordination, performance requirements and qualities of finish.

Purpose of information

To provide a visual representation of proposals, confirming brief for Technical Design stage supporting full spatial coordination.

Plan

The above illustration is for Volute casing dry well centrifugal sewage and sludge pump units from the NBS section Water industry pumps. This is indicative of the LOD requirements for Positive displacement pumps.

4

Requirement

Visual information to provide fixed principles of the design supporting procurement. Developed coordination between all professions. Visual representations showing coordination for general size and relationships between different elements of the construction. Graphical representation of system, dimensionally accurate indicating primary performance characteristics. Graphical information represented may alter depending on visual information to be produced, e.g.: Scope of work drawings, setting out, etc. Typical / Installation details separately produced linked to model element and adjacent constructions.

Purpose of information

To provide a visual representation of proposals at a Technical Design stage supporting full spatial coordination.

Plan
Elevation
Model

The above illustrations are for Volute casing dry well centrifugal sewage and sludge pump units from the NBS section Water industry pumps. This is indicative of the LOD requirements for Positive displacement pumps.

5

Requirement

Visual information to provide full information to support construction / installation. Developed coordination between all professions. Visual representations showing final coordination for size and relationships between different elements of the construction. Graphical representation of system, dimensionally accurate indicating primary performance characteristics and sufficient information to support installation. Typical / Installation details separately produced linked to model element and adjacent constructions.

Purpose of information

To be updated during the construction process to reflect the final design, and to provide a future reference to sit alongside the O&M Manuals.

Plan
Elevation
Model

The above illustrations are for Volute casing dry well centrifugal sewage and sludge pump units from the NBS section Water industry pumps. This is indicative of the LOD requirements for Positive displacement pumps.

Download manufacturer object defintion template

Manufacturer Product Data template

Complete this electronic spreadsheet to ensure that your Positive displacement pumps product information meets the requirements of Level 2 BIM. This is important as it will enable your customers to select, specify and use your products within the BIM environment. Once you have completed this template you can host it on your own website or distribute it to your customers. Please note that we do not host completed product data templates within the BIM Toolkit.

2

Provide an outline description of the deliverable.

Name Definition
Description A description of the type of object to detail any design intent.
3

Provide an outline description of the deliverable.

Name Definition
Description A description of the type of object to detail any design intent.
4

Provide enough information to allow the selection of the manufacturer product to meet requirements. This information may also be used to replace the installed product during the operation stage of the building's lifecycle. Information covering the execution of the deliverable should also be provided in the associated specification.

Name Definition
Manufacturer The Manufacturer of the Positive displacement pumps.
Standard The Standard of the Positive displacement pumps.
Mode of operation The Mode of operation of the Positive displacement pumps.
Type of duty The Type of duty of the Positive displacement pumps.
Durability The Durability of the Positive displacement pumps.
Hydraulic performance The Hydraulic performance of the Positive displacement pumps.
Hydraulic performance - Flow (maximum) The Hydraulic performance - Flow (maximum) of the Positive displacement pumps.
Hydraulic performance - Flow (minimum) The Hydraulic performance - Flow (minimum) of the Positive displacement pumps.
Hydraulic performance - Flow (at the guarantee point) The Hydraulic performance - Flow (at the guarantee point) of the Positive displacement pumps.
Hydraulic performance - Inlet pressure (maximum) The Hydraulic performance - Inlet pressure (maximum) of the Positive displacement pumps.
Hydraulic performance - Inlet pressure (minimum) The Hydraulic performance - Inlet pressure (minimum) of the Positive displacement pumps.
Hydraulic performance - Inlet pressure (at the guarantee point) The Hydraulic performance - Inlet pressure (at the guarantee point) of the Positive displacement pumps.
Hydraulic performance - Outlet pressure (maximum) The Hydraulic performance - Outlet pressure (maximum) of the Positive displacement pumps.
Hydraulic performance - Outlet pressure (minimum) The Hydraulic performance - Outlet pressure (minimum) of the Positive displacement pumps.
Hydraulic performance - Outlet pressure (at the guarantee point) The Hydraulic performance - Outlet pressure (at the guarantee point) of the Positive displacement pumps.
Hydraulic performance - Total differential pressure at the guarantee point The Hydraulic performance - Total differential pressure at the guarantee point of the Positive displacement pumps.
Hydraulic performance - Pumpset hydraulic efficiency The Hydraulic performance - Pumpset hydraulic efficiency of the Positive displacement pumps.
Hydraulic performance - Pumpset hydraulic efficiency - At the maximum flow The Hydraulic performance - Pumpset hydraulic efficiency - At the maximum flow of the Positive displacement pumps.
Hydraulic performance - Pumpset hydraulic efficiency - At the guarantee point The Hydraulic performance - Pumpset hydraulic efficiency - At the guarantee point of the Positive displacement pumps.
Hydraulic performance - Absorbed power The Hydraulic performance - Absorbed power of the Positive displacement pumps.
Hydraulic performance - Absorbed power - At the guarantee point The Hydraulic performance - Absorbed power - At the guarantee point of the Positive displacement pumps.
Hydraulic performance - Absorbed power - At the maximum flow The Hydraulic performance - Absorbed power - At the maximum flow of the Positive displacement pumps.
Hydraulic performance - Net positive inlet pressure available The Hydraulic performance - Net positive inlet pressure available of the Positive displacement pumps.
Hydraulic performance - Net positive inlet pressure available - At the guarantee point The Hydraulic performance - Net positive inlet pressure available - At the guarantee point of the Positive displacement pumps.
Hydraulic performance - Net positive inlet pressure available - At the maximum flow The Hydraulic performance - Net positive inlet pressure available - At the maximum flow of the Positive displacement pumps.
Number of stages The Number of stages of the Positive displacement pumps.
Maximum speed of pump rotor The Maximum speed of pump rotor of the Positive displacement pumps.
Maximum stator and rotor rubbing velocity The Maximum stator and rotor rubbing velocity of the Positive displacement pumps.
Diameter of solid sphere required to be passed by the pump The Diameter of solid sphere required to be passed by the pump of the Positive displacement pumps.
Maximum noise levels at the guarantee point (dB at 1m) The Maximum noise levels at the guarantee point (dB at 1m) of the Positive displacement pumps.
Vibration level (maximum) The Vibration level (maximum) of the Positive displacement pumps.
Availability (minimum) The Availability (minimum) of the Positive displacement pumps.
Mounting arrangements The Mounting arrangements of the Positive displacement pumps.
Mounting arrangements - Orientation The Mounting arrangements - Orientation of the Positive displacement pumps.
Mounting arrangements - Mounting of motor drive (vertical pumpsets) The Mounting arrangements - Mounting of motor drive (vertical pumpsets) of the Positive displacement pumps.
Pump casing The Pump casing of the Positive displacement pumps.
Pump casing - Material The Pump casing - Material of the Positive displacement pumps.
Pump casing - Inlet flange The Pump casing - Inlet flange of the Positive displacement pumps.
Pump casing - Inlet flange - Nominal bore The Pump casing - Inlet flange - Nominal bore of the Positive displacement pumps.
Pump casing - Inlet flange - Flange size (minimum) The Pump casing - Inlet flange - Flange size (minimum) of the Positive displacement pumps.
Pump casing - Outlet flange The Pump casing - Outlet flange of the Positive displacement pumps.
Pump casing - Outlet flange - Nominal bore The Pump casing - Outlet flange - Nominal bore of the Positive displacement pumps.
Pump casing - Outlet flange - Flange size (minimum) The Pump casing - Outlet flange - Flange size (minimum) of the Positive displacement pumps.
Pump casing - Connections The Pump casing - Connections of the Positive displacement pumps.
Pump casing - Connections - Inlet and outlet pressure gauges The Pump casing - Connections - Inlet and outlet pressure gauges of the Positive displacement pumps.
Pump casing - Connections - Venting pipework The Pump casing - Connections - Venting pipework of the Positive displacement pumps.
Pump casing - Connections - Drain pipework The Pump casing - Connections - Drain pipework of the Positive displacement pumps.
Pump casing - Connections - Seal flushing pipework The Pump casing - Connections - Seal flushing pipework of the Positive displacement pumps.
Bearing details The Bearing details of the Positive displacement pumps.
Bearing details - Manufacturer The Bearing details - Manufacturer of the Positive displacement pumps.
Bearing details - Designation The Bearing details - Designation of the Positive displacement pumps.
Bearing details - L10h durability at the GDP (minimum) The Bearing details - L10h durability at the GDP (minimum) of the Positive displacement pumps.
Bearing details - Durability of grease dispensers (minimum) The Bearing details - Durability of grease dispensers (minimum) of the Positive displacement pumps.
Bearing details - Type of bearing lubrication The Bearing details - Type of bearing lubrication of the Positive displacement pumps.
Bearing details - Grade of bearing lubricant The Bearing details - Grade of bearing lubricant of the Positive displacement pumps.
Drive The Drive of the Positive displacement pumps.
Drive - Type of prime mover The Drive - Type of prime mover of the Positive displacement pumps.
Drive - Variable speed drive requirements The Drive - Variable speed drive requirements of the Positive displacement pumps.
Drive - Electric motor specification The Drive - Electric motor specification of the Positive displacement pumps.
Progressing cavity pumpset The Progressing cavity pumpset of the Positive displacement pumps.
Progressing cavity pumpset - Type of solids handling mechanism The Progressing cavity pumpset - Type of solids handling mechanism of the Positive displacement pumps.
Progressing cavity pumpset - Casing The Progressing cavity pumpset - Casing of the Positive displacement pumps.
Progressing cavity pumpset - Casing - Inlet and outlet connections to be adjustable in 90deg steps The Progressing cavity pumpset - Casing - Inlet and outlet connections to be adjustable in 90deg steps of the Positive displacement pumps.
Progressing cavity pumpset - Casing - Access ports in inlet branch The Progressing cavity pumpset - Casing - Access ports in inlet branch of the Positive displacement pumps.
Progressing cavity pumpset - Stator The Progressing cavity pumpset - Stator of the Positive displacement pumps.
Progressing cavity pumpset - Stator - Material The Progressing cavity pumpset - Stator - Material of the Positive displacement pumps.
Progressing cavity pumpset - Stator - Adjustment The Progressing cavity pumpset - Stator - Adjustment of the Positive displacement pumps.
Progressing cavity pumpset - Rotor The Progressing cavity pumpset - Rotor of the Positive displacement pumps.
Progressing cavity pumpset - Rotor - Material The Progressing cavity pumpset - Rotor - Material of the Positive displacement pumps.
Progressing cavity pumpset - Rotor - Direction of rotation of rotor (viewed from the pump driveshaft end) The Progressing cavity pumpset - Rotor - Direction of rotation of rotor (viewed from the pump driveshaft end) of the Positive displacement pumps.
Progressing cavity pumpset - Rotor - Coating The Progressing cavity pumpset - Rotor - Coating of the Positive displacement pumps.
Seals The Seals of the Positive displacement pumps.
Seals - Manufacturer The Seals - Manufacturer of the Positive displacement pumps.
Seals - Packed seal The Seals - Packed seal of the Positive displacement pumps.
Seals - Mechanical seal type The Seals - Mechanical seal type of the Positive displacement pumps.
Seals - Seal flushing and cooling The Seals - Seal flushing and cooling of the Positive displacement pumps.
Seals - Mechanical seals component materials The Seals - Mechanical seals component materials of the Positive displacement pumps.
Seals - Mechanical seals component materials - Rotating ring The Seals - Mechanical seals component materials - Rotating ring of the Positive displacement pumps.
Seals - Mechanical seals component materials - Stationary ring The Seals - Mechanical seals component materials - Stationary ring of the Positive displacement pumps.
Seals - Mechanical seals component materials - Secondary seals The Seals - Mechanical seals component materials - Secondary seals of the Positive displacement pumps.
Seals - Mechanical seals component materials - Springs The Seals - Mechanical seals component materials - Springs of the Positive displacement pumps.
Seals - Method of flushing and venting The Seals - Method of flushing and venting of the Positive displacement pumps.
Seals - Packed gland seals - method of shaft protection The Seals - Packed gland seals - method of shaft protection of the Positive displacement pumps.
Seals - Type of drive construction The Seals - Type of drive construction of the Positive displacement pumps.
Ram and plunger pumpsets The Ram and plunger pumpsets of the Positive displacement pumps.
Ram and plunger pumpsets - Number of pump cylinders The Ram and plunger pumpsets - Number of pump cylinders of the Positive displacement pumps.
Ram and plunger pumpsets - Pulsation dampers The Ram and plunger pumpsets - Pulsation dampers of the Positive displacement pumps.
Ram and plunger pumpsets - Liner material The Ram and plunger pumpsets - Liner material of the Positive displacement pumps.
Ram and plunger pumpsets - Connecting rods - Cr plating The Ram and plunger pumpsets - Connecting rods - Cr plating of the Positive displacement pumps.
Ram and plunger pumpsets - Seals The Ram and plunger pumpsets - Seals of the Positive displacement pumps.
Ram and plunger pumpsets - Seals - Type of seals The Ram and plunger pumpsets - Seals - Type of seals of the Positive displacement pumps.
Ram and plunger pumpsets - Seals - Manufacturer The Ram and plunger pumpsets - Seals - Manufacturer of the Positive displacement pumps.
Ram and plunger pumpsets - Seals - Method of flushing and cooling and lubrication The Ram and plunger pumpsets - Seals - Method of flushing and cooling and lubrication of the Positive displacement pumps.
Ram and plunger pumpsets - Seals - Flushing and cooling water - supply pressure The Ram and plunger pumpsets - Seals - Flushing and cooling water - supply pressure of the Positive displacement pumps.
Ram and plunger pumpsets - Seals - Flushing and cooling water - flow rate The Ram and plunger pumpsets - Seals - Flushing and cooling water - flow rate of the Positive displacement pumps.
Ram and plunger pumpsets - Valves The Ram and plunger pumpsets - Valves of the Positive displacement pumps.
Ram and plunger pumpsets - Valves - Type of valve The Ram and plunger pumpsets - Valves - Type of valve of the Positive displacement pumps.
Ram and plunger pumpsets - Valves - Quick release fittings The Ram and plunger pumpsets - Valves - Quick release fittings of the Positive displacement pumps.
Ram and plunger pumpsets - Valves - Adjustable valves The Ram and plunger pumpsets - Valves - Adjustable valves of the Positive displacement pumps.
Ram and plunger pumpsets - Valves - Ball valves elastomer coating The Ram and plunger pumpsets - Valves - Ball valves elastomer coating of the Positive displacement pumps.
Ram and plunger pumpsets - Drive The Ram and plunger pumpsets - Drive of the Positive displacement pumps.
Ram and plunger pumpsets - Drive - Type of drive The Ram and plunger pumpsets - Drive - Type of drive of the Positive displacement pumps.
Ram and plunger pumpsets - Drive - Crankshaft, crosshead and connecting rod arrangement - durability of grease lubrication system The Ram and plunger pumpsets - Drive - Crankshaft, crosshead and connecting rod arrangement - durability of grease lubrication system of the Positive displacement pumps.
Ram and plunger pumpsets - Drive - Marine type eccentric and bearings - mechanical overload protection The Ram and plunger pumpsets - Drive - Marine type eccentric and bearings - mechanical overload protection of the Positive displacement pumps.
Ram and plunger pumpsets - Drive - Hydraulic power unit rating The Ram and plunger pumpsets - Drive - Hydraulic power unit rating of the Positive displacement pumps.
Ram and plunger pumpsets - Drive - Hydraulic power unit method of oil cooling The Ram and plunger pumpsets - Drive - Hydraulic power unit method of oil cooling of the Positive displacement pumps.
Peristaltic pumpsets The Peristaltic pumpsets of the Positive displacement pumps.
Peristaltic pumpsets - Pulsation dampers The Peristaltic pumpsets - Pulsation dampers of the Positive displacement pumps.
Peristaltic pumpsets - Pump casing The Peristaltic pumpsets - Pump casing of the Positive displacement pumps.
Peristaltic pumpsets - Pump casing - Method of support for front covers exceeding 25kg The Peristaltic pumpsets - Pump casing - Method of support for front covers exceeding 25kg of the Positive displacement pumps.
Peristaltic pumpsets - Pump casing - Connections to be provided at the rear of the casing for The Peristaltic pumpsets - Pump casing - Connections to be provided at the rear of the casing for of the Positive displacement pumps.
Peristaltic pumpsets - Hose or tube details The Peristaltic pumpsets - Hose or tube details of the Positive displacement pumps.
Peristaltic pumpsets - Hose or tube details - Hose or tube material The Peristaltic pumpsets - Hose or tube details - Hose or tube material of the Positive displacement pumps.
Peristaltic pumpsets - Hose or tube details - Local control of drive required for hose or tube replacement The Peristaltic pumpsets - Hose or tube details - Local control of drive required for hose or tube replacement of the Positive displacement pumps.
Peristaltic pumpsets - Hose or tube details - Hose or tube lubricant The Peristaltic pumpsets - Hose or tube details - Hose or tube lubricant of the Positive displacement pumps.
Peristaltic pumpsets - Hose or tube details - Type of lubricant level monitoring The Peristaltic pumpsets - Hose or tube details - Type of lubricant level monitoring of the Positive displacement pumps.
Peristaltic pumpsets - Type of inlet and outlet connections The Peristaltic pumpsets - Type of inlet and outlet connections of the Positive displacement pumps.
Peristaltic pumpsets - Shoes and rollers The Peristaltic pumpsets - Shoes and rollers of the Positive displacement pumps.
Peristaltic pumpsets - Shoes and rollers - Compression of hose and tube effected by The Peristaltic pumpsets - Shoes and rollers - Compression of hose and tube effected by of the Positive displacement pumps.
Peristaltic pumpsets - Shoes and rollers - Number of shoes and rollers The Peristaltic pumpsets - Shoes and rollers - Number of shoes and rollers of the Positive displacement pumps.
Peristaltic pumpsets - Shoes and rollers - Shoe and roller material The Peristaltic pumpsets - Shoes and rollers - Shoe and roller material of the Positive displacement pumps.
Peristaltic pumpsets - Rotor material The Peristaltic pumpsets - Rotor material of the Positive displacement pumps.
Diaphragm pumpsets The Diaphragm pumpsets of the Positive displacement pumps.
Diaphragm pumpsets - Pulsation dampers The Diaphragm pumpsets - Pulsation dampers of the Positive displacement pumps.
Diaphragm pumpsets - Diaphragm material The Diaphragm pumpsets - Diaphragm material of the Positive displacement pumps.
Diaphragm pumpsets - Retainer plate material The Diaphragm pumpsets - Retainer plate material of the Positive displacement pumps.
Diaphragm pumpsets - Diaphragm failure detection system The Diaphragm pumpsets - Diaphragm failure detection system of the Positive displacement pumps.
Diaphragm pumpsets - Valve type The Diaphragm pumpsets - Valve type of the Positive displacement pumps.
Diaphragm pumpsets - Ball valves elastomer coating The Diaphragm pumpsets - Ball valves elastomer coating of the Positive displacement pumps.
Diaphragm pumpsets - Variable stroke connection rod The Diaphragm pumpsets - Variable stroke connection rod of the Positive displacement pumps.
Double diaphragm pumpsets The Double diaphragm pumpsets of the Positive displacement pumps.
Double diaphragm pumpsets - Pulsation dampers The Double diaphragm pumpsets - Pulsation dampers of the Positive displacement pumps.
Double diaphragm pumpsets - Diaphragm material The Double diaphragm pumpsets - Diaphragm material of the Positive displacement pumps.
Double diaphragm pumpsets - Trunnion material The Double diaphragm pumpsets - Trunnion material of the Positive displacement pumps.
Double diaphragm pumpsets - Diaphragm retainer plate material The Double diaphragm pumpsets - Diaphragm retainer plate material of the Positive displacement pumps.
Double diaphragm pumpsets - Diaphragm failure detection system The Double diaphragm pumpsets - Diaphragm failure detection system of the Positive displacement pumps.
Rotary Lobe pumpsets The Rotary Lobe pumpsets of the Positive displacement pumps.
Rotary Lobe pumpsets - Pump casing The Rotary Lobe pumpsets - Pump casing of the Positive displacement pumps.
Rotary Lobe pumpsets - Pump casing - Method of support for front covers exceeding 25kg The Rotary Lobe pumpsets - Pump casing - Method of support for front covers exceeding 25kg of the Positive displacement pumps.
Rotary Lobe pumpsets - Pump casing - Radial wear plates The Rotary Lobe pumpsets - Pump casing - Radial wear plates of the Positive displacement pumps.
Rotary Lobe pumpsets - Rotors The Rotary Lobe pumpsets - Rotors of the Positive displacement pumps.
Rotary Lobe pumpsets - Rotors - Number of rotor lobes The Rotary Lobe pumpsets - Rotors - Number of rotor lobes of the Positive displacement pumps.
Rotary Lobe pumpsets - Rotors - Rotor material and coating combination The Rotary Lobe pumpsets - Rotors - Rotor material and coating combination of the Positive displacement pumps.
Rotary Lobe pumpsets - Rotors - Replaceable tips The Rotary Lobe pumpsets - Rotors - Replaceable tips of the Positive displacement pumps.
Rotary Lobe pumpsets - Seals The Rotary Lobe pumpsets - Seals of the Positive displacement pumps.
Rotary Lobe pumpsets - Seals - Type of seals The Rotary Lobe pumpsets - Seals - Type of seals of the Positive displacement pumps.
Rotary Lobe pumpsets - Seals - Manufacturer The Rotary Lobe pumpsets - Seals - Manufacturer of the Positive displacement pumps.
Rotary Lobe pumpsets - Seals - Mechanical seal type The Rotary Lobe pumpsets - Seals - Mechanical seal type of the Positive displacement pumps.
Rotary Lobe pumpsets - Mechanical seal component materials The Rotary Lobe pumpsets - Mechanical seal component materials of the Positive displacement pumps.
Rotary Lobe pumpsets - Mechanical seal component materials - Rotating ring The Rotary Lobe pumpsets - Mechanical seal component materials - Rotating ring of the Positive displacement pumps.
Rotary Lobe pumpsets - Mechanical seal component materials - Stationary ring The Rotary Lobe pumpsets - Mechanical seal component materials - Stationary ring of the Positive displacement pumps.
Rotary Lobe pumpsets - Mechanical seal component materials - Secondary seals The Rotary Lobe pumpsets - Mechanical seal component materials - Secondary seals of the Positive displacement pumps.
Rotary Lobe pumpsets - Mechanical seal component materials - Springs The Rotary Lobe pumpsets - Mechanical seal component materials - Springs of the Positive displacement pumps.
Rotary Lobe pumpsets - Method of flushing and venting The Rotary Lobe pumpsets - Method of flushing and venting of the Positive displacement pumps.
Rotary Lobe pumpsets - Packed gland seals - method of shaft protection The Rotary Lobe pumpsets - Packed gland seals - method of shaft protection of the Positive displacement pumps.
Rotary Lobe pumpsets - Timing gearbox The Rotary Lobe pumpsets - Timing gearbox of the Positive displacement pumps.
Rotary Lobe pumpsets - Timing gearbox - Shims and packers The Rotary Lobe pumpsets - Timing gearbox - Shims and packers of the Positive displacement pumps.
Rotary Lobe pumpsets - Timing gearbox - Lubrication method The Rotary Lobe pumpsets - Timing gearbox - Lubrication method of the Positive displacement pumps.
Rotary Lobe pumpsets - Timing gearbox - Grade of oil The Rotary Lobe pumpsets - Timing gearbox - Grade of oil of the Positive displacement pumps.
Rotary Lobe pumpsets - Timing gearbox - Bearing manufacturer The Rotary Lobe pumpsets - Timing gearbox - Bearing manufacturer of the Positive displacement pumps.
Rotary Lobe pumpsets - Timing gearbox - Bearing designation The Rotary Lobe pumpsets - Timing gearbox - Bearing designation of the Positive displacement pumps.
Rotary Lobe pumpsets - Timing gearbox - Separate oil chambers The Rotary Lobe pumpsets - Timing gearbox - Separate oil chambers of the Positive displacement pumps.
Motor The Motor of the Positive displacement pumps.
Motor - Supply voltage The Motor - Supply voltage of the Positive displacement pumps.
Motor - Nominal frequency The Motor - Nominal frequency of the Positive displacement pumps.
Type of monitoring required The Type of monitoring required of the Positive displacement pumps.
Type of protection required The Type of protection required of the Positive displacement pumps.
Pressure relief valve The Pressure relief valve of the Positive displacement pumps.
O & M manuals type The O & M manuals type of the Positive displacement pumps.
5

Provide the information specific to the selected manufacturer and product reference. Information covering the execution of the deliverable should also be provided in the associated specification.

Name Definition
Manufacturer The Manufacturer of the Positive displacement pumps.
Standard The Standard of the Positive displacement pumps.
Mode of operation The Mode of operation of the Positive displacement pumps.
Type of duty The Type of duty of the Positive displacement pumps.
Durability The Durability of the Positive displacement pumps.
Hydraulic performance The Hydraulic performance of the Positive displacement pumps.
Hydraulic performance - Flow (maximum) The Hydraulic performance - Flow (maximum) of the Positive displacement pumps.
Hydraulic performance - Flow (minimum) The Hydraulic performance - Flow (minimum) of the Positive displacement pumps.
Hydraulic performance - Flow (at the guarantee point) The Hydraulic performance - Flow (at the guarantee point) of the Positive displacement pumps.
Hydraulic performance - Inlet pressure (maximum) The Hydraulic performance - Inlet pressure (maximum) of the Positive displacement pumps.
Hydraulic performance - Inlet pressure (minimum) The Hydraulic performance - Inlet pressure (minimum) of the Positive displacement pumps.
Hydraulic performance - Inlet pressure (at the guarantee point) The Hydraulic performance - Inlet pressure (at the guarantee point) of the Positive displacement pumps.
Hydraulic performance - Outlet pressure (maximum) The Hydraulic performance - Outlet pressure (maximum) of the Positive displacement pumps.
Hydraulic performance - Outlet pressure (minimum) The Hydraulic performance - Outlet pressure (minimum) of the Positive displacement pumps.
Hydraulic performance - Outlet pressure (at the guarantee point) The Hydraulic performance - Outlet pressure (at the guarantee point) of the Positive displacement pumps.
Hydraulic performance - Total differential pressure at the guarantee point The Hydraulic performance - Total differential pressure at the guarantee point of the Positive displacement pumps.
Hydraulic performance - Pumpset hydraulic efficiency The Hydraulic performance - Pumpset hydraulic efficiency of the Positive displacement pumps.
Hydraulic performance - Pumpset hydraulic efficiency - At the maximum flow The Hydraulic performance - Pumpset hydraulic efficiency - At the maximum flow of the Positive displacement pumps.
Hydraulic performance - Pumpset hydraulic efficiency - At the guarantee point The Hydraulic performance - Pumpset hydraulic efficiency - At the guarantee point of the Positive displacement pumps.
Hydraulic performance - Absorbed power The Hydraulic performance - Absorbed power of the Positive displacement pumps.
Hydraulic performance - Absorbed power - At the guarantee point The Hydraulic performance - Absorbed power - At the guarantee point of the Positive displacement pumps.
Hydraulic performance - Absorbed power - At the maximum flow The Hydraulic performance - Absorbed power - At the maximum flow of the Positive displacement pumps.
Hydraulic performance - Net positive inlet pressure available The Hydraulic performance - Net positive inlet pressure available of the Positive displacement pumps.
Hydraulic performance - Net positive inlet pressure available - At the guarantee point The Hydraulic performance - Net positive inlet pressure available - At the guarantee point of the Positive displacement pumps.
Hydraulic performance - Net positive inlet pressure available - At the maximum flow The Hydraulic performance - Net positive inlet pressure available - At the maximum flow of the Positive displacement pumps.
Number of stages The Number of stages of the Positive displacement pumps.
Maximum speed of pump rotor The Maximum speed of pump rotor of the Positive displacement pumps.
Maximum stator and rotor rubbing velocity The Maximum stator and rotor rubbing velocity of the Positive displacement pumps.
Diameter of solid sphere required to be passed by the pump The Diameter of solid sphere required to be passed by the pump of the Positive displacement pumps.
Maximum noise levels at the guarantee point (dB at 1m) The Maximum noise levels at the guarantee point (dB at 1m) of the Positive displacement pumps.
Vibration level (maximum) The Vibration level (maximum) of the Positive displacement pumps.
Availability (minimum) The Availability (minimum) of the Positive displacement pumps.
Mounting arrangements The Mounting arrangements of the Positive displacement pumps.
Mounting arrangements - Orientation The Mounting arrangements - Orientation of the Positive displacement pumps.
Mounting arrangements - Mounting of motor drive (vertical pumpsets) The Mounting arrangements - Mounting of motor drive (vertical pumpsets) of the Positive displacement pumps.
Pump casing The Pump casing of the Positive displacement pumps.
Pump casing - Material The Pump casing - Material of the Positive displacement pumps.
Pump casing - Inlet flange The Pump casing - Inlet flange of the Positive displacement pumps.
Pump casing - Inlet flange - Nominal bore The Pump casing - Inlet flange - Nominal bore of the Positive displacement pumps.
Pump casing - Inlet flange - Flange size (minimum) The Pump casing - Inlet flange - Flange size (minimum) of the Positive displacement pumps.
Pump casing - Outlet flange The Pump casing - Outlet flange of the Positive displacement pumps.
Pump casing - Outlet flange - Nominal bore The Pump casing - Outlet flange - Nominal bore of the Positive displacement pumps.
Pump casing - Outlet flange - Flange size (minimum) The Pump casing - Outlet flange - Flange size (minimum) of the Positive displacement pumps.
Pump casing - Connections The Pump casing - Connections of the Positive displacement pumps.
Pump casing - Connections - Inlet and outlet pressure gauges The Pump casing - Connections - Inlet and outlet pressure gauges of the Positive displacement pumps.
Pump casing - Connections - Venting pipework The Pump casing - Connections - Venting pipework of the Positive displacement pumps.
Pump casing - Connections - Drain pipework The Pump casing - Connections - Drain pipework of the Positive displacement pumps.
Pump casing - Connections - Seal flushing pipework The Pump casing - Connections - Seal flushing pipework of the Positive displacement pumps.
Bearing details The Bearing details of the Positive displacement pumps.
Bearing details - Manufacturer The Bearing details - Manufacturer of the Positive displacement pumps.
Bearing details - Designation The Bearing details - Designation of the Positive displacement pumps.
Bearing details - L10h durability at the GDP (minimum) The Bearing details - L10h durability at the GDP (minimum) of the Positive displacement pumps.
Bearing details - Durability of grease dispensers (minimum) The Bearing details - Durability of grease dispensers (minimum) of the Positive displacement pumps.
Bearing details - Type of bearing lubrication The Bearing details - Type of bearing lubrication of the Positive displacement pumps.
Bearing details - Grade of bearing lubricant The Bearing details - Grade of bearing lubricant of the Positive displacement pumps.
Drive The Drive of the Positive displacement pumps.
Drive - Type of prime mover The Drive - Type of prime mover of the Positive displacement pumps.
Drive - Variable speed drive requirements The Drive - Variable speed drive requirements of the Positive displacement pumps.
Drive - Electric motor specification The Drive - Electric motor specification of the Positive displacement pumps.
Progressing cavity pumpset The Progressing cavity pumpset of the Positive displacement pumps.
Progressing cavity pumpset - Type of solids handling mechanism The Progressing cavity pumpset - Type of solids handling mechanism of the Positive displacement pumps.
Progressing cavity pumpset - Casing The Progressing cavity pumpset - Casing of the Positive displacement pumps.
Progressing cavity pumpset - Casing - Inlet and outlet connections to be adjustable in 90deg steps The Progressing cavity pumpset - Casing - Inlet and outlet connections to be adjustable in 90deg steps of the Positive displacement pumps.
Progressing cavity pumpset - Casing - Access ports in inlet branch The Progressing cavity pumpset - Casing - Access ports in inlet branch of the Positive displacement pumps.
Progressing cavity pumpset - Stator The Progressing cavity pumpset - Stator of the Positive displacement pumps.
Progressing cavity pumpset - Stator - Material The Progressing cavity pumpset - Stator - Material of the Positive displacement pumps.
Progressing cavity pumpset - Stator - Adjustment The Progressing cavity pumpset - Stator - Adjustment of the Positive displacement pumps.
Progressing cavity pumpset - Rotor The Progressing cavity pumpset - Rotor of the Positive displacement pumps.
Progressing cavity pumpset - Rotor - Material The Progressing cavity pumpset - Rotor - Material of the Positive displacement pumps.
Progressing cavity pumpset - Rotor - Direction of rotation of rotor (viewed from the pump driveshaft end) The Progressing cavity pumpset - Rotor - Direction of rotation of rotor (viewed from the pump driveshaft end) of the Positive displacement pumps.
Progressing cavity pumpset - Rotor - Coating The Progressing cavity pumpset - Rotor - Coating of the Positive displacement pumps.
Seals The Seals of the Positive displacement pumps.
Seals - Manufacturer The Seals - Manufacturer of the Positive displacement pumps.
Seals - Packed seal The Seals - Packed seal of the Positive displacement pumps.
Seals - Mechanical seal type The Seals - Mechanical seal type of the Positive displacement pumps.
Seals - Seal flushing and cooling The Seals - Seal flushing and cooling of the Positive displacement pumps.
Seals - Mechanical seals component materials The Seals - Mechanical seals component materials of the Positive displacement pumps.
Seals - Mechanical seals component materials - Rotating ring The Seals - Mechanical seals component materials - Rotating ring of the Positive displacement pumps.
Seals - Mechanical seals component materials - Stationary ring The Seals - Mechanical seals component materials - Stationary ring of the Positive displacement pumps.
Seals - Mechanical seals component materials - Secondary seals The Seals - Mechanical seals component materials - Secondary seals of the Positive displacement pumps.
Seals - Mechanical seals component materials - Springs The Seals - Mechanical seals component materials - Springs of the Positive displacement pumps.
Seals - Method of flushing and venting The Seals - Method of flushing and venting of the Positive displacement pumps.
Seals - Packed gland seals - method of shaft protection The Seals - Packed gland seals - method of shaft protection of the Positive displacement pumps.
Seals - Type of drive construction The Seals - Type of drive construction of the Positive displacement pumps.
Ram and plunger pumpsets The Ram and plunger pumpsets of the Positive displacement pumps.
Ram and plunger pumpsets - Number of pump cylinders The Ram and plunger pumpsets - Number of pump cylinders of the Positive displacement pumps.
Ram and plunger pumpsets - Pulsation dampers The Ram and plunger pumpsets - Pulsation dampers of the Positive displacement pumps.
Ram and plunger pumpsets - Liner material The Ram and plunger pumpsets - Liner material of the Positive displacement pumps.
Ram and plunger pumpsets - Connecting rods - Cr plating The Ram and plunger pumpsets - Connecting rods - Cr plating of the Positive displacement pumps.
Ram and plunger pumpsets - Seals The Ram and plunger pumpsets - Seals of the Positive displacement pumps.
Ram and plunger pumpsets - Seals - Type of seals The Ram and plunger pumpsets - Seals - Type of seals of the Positive displacement pumps.
Ram and plunger pumpsets - Seals - Manufacturer The Ram and plunger pumpsets - Seals - Manufacturer of the Positive displacement pumps.
Ram and plunger pumpsets - Seals - Method of flushing and cooling and lubrication The Ram and plunger pumpsets - Seals - Method of flushing and cooling and lubrication of the Positive displacement pumps.
Ram and plunger pumpsets - Seals - Flushing and cooling water - supply pressure The Ram and plunger pumpsets - Seals - Flushing and cooling water - supply pressure of the Positive displacement pumps.
Ram and plunger pumpsets - Seals - Flushing and cooling water - flow rate The Ram and plunger pumpsets - Seals - Flushing and cooling water - flow rate of the Positive displacement pumps.
Ram and plunger pumpsets - Valves The Ram and plunger pumpsets - Valves of the Positive displacement pumps.
Ram and plunger pumpsets - Valves - Type of valve The Ram and plunger pumpsets - Valves - Type of valve of the Positive displacement pumps.
Ram and plunger pumpsets - Valves - Quick release fittings The Ram and plunger pumpsets - Valves - Quick release fittings of the Positive displacement pumps.
Ram and plunger pumpsets - Valves - Adjustable valves The Ram and plunger pumpsets - Valves - Adjustable valves of the Positive displacement pumps.
Ram and plunger pumpsets - Valves - Ball valves elastomer coating The Ram and plunger pumpsets - Valves - Ball valves elastomer coating of the Positive displacement pumps.
Ram and plunger pumpsets - Drive The Ram and plunger pumpsets - Drive of the Positive displacement pumps.
Ram and plunger pumpsets - Drive - Type of drive The Ram and plunger pumpsets - Drive - Type of drive of the Positive displacement pumps.
Ram and plunger pumpsets - Drive - Crankshaft, crosshead and connecting rod arrangement - durability of grease lubrication system The Ram and plunger pumpsets - Drive - Crankshaft, crosshead and connecting rod arrangement - durability of grease lubrication system of the Positive displacement pumps.
Ram and plunger pumpsets - Drive - Marine type eccentric and bearings - mechanical overload protection The Ram and plunger pumpsets - Drive - Marine type eccentric and bearings - mechanical overload protection of the Positive displacement pumps.
Ram and plunger pumpsets - Drive - Hydraulic power unit rating The Ram and plunger pumpsets - Drive - Hydraulic power unit rating of the Positive displacement pumps.
Ram and plunger pumpsets - Drive - Hydraulic power unit method of oil cooling The Ram and plunger pumpsets - Drive - Hydraulic power unit method of oil cooling of the Positive displacement pumps.
Peristaltic pumpsets The Peristaltic pumpsets of the Positive displacement pumps.
Peristaltic pumpsets - Pulsation dampers The Peristaltic pumpsets - Pulsation dampers of the Positive displacement pumps.
Peristaltic pumpsets - Pump casing The Peristaltic pumpsets - Pump casing of the Positive displacement pumps.
Peristaltic pumpsets - Pump casing - Method of support for front covers exceeding 25kg The Peristaltic pumpsets - Pump casing - Method of support for front covers exceeding 25kg of the Positive displacement pumps.
Peristaltic pumpsets - Pump casing - Connections to be provided at the rear of the casing for The Peristaltic pumpsets - Pump casing - Connections to be provided at the rear of the casing for of the Positive displacement pumps.
Peristaltic pumpsets - Hose or tube details The Peristaltic pumpsets - Hose or tube details of the Positive displacement pumps.
Peristaltic pumpsets - Hose or tube details - Hose or tube material The Peristaltic pumpsets - Hose or tube details - Hose or tube material of the Positive displacement pumps.
Peristaltic pumpsets - Hose or tube details - Local control of drive required for hose or tube replacement The Peristaltic pumpsets - Hose or tube details - Local control of drive required for hose or tube replacement of the Positive displacement pumps.
Peristaltic pumpsets - Hose or tube details - Hose or tube lubricant The Peristaltic pumpsets - Hose or tube details - Hose or tube lubricant of the Positive displacement pumps.
Peristaltic pumpsets - Hose or tube details - Type of lubricant level monitoring The Peristaltic pumpsets - Hose or tube details - Type of lubricant level monitoring of the Positive displacement pumps.
Peristaltic pumpsets - Type of inlet and outlet connections The Peristaltic pumpsets - Type of inlet and outlet connections of the Positive displacement pumps.
Peristaltic pumpsets - Shoes and rollers The Peristaltic pumpsets - Shoes and rollers of the Positive displacement pumps.
Peristaltic pumpsets - Shoes and rollers - Compression of hose and tube effected by The Peristaltic pumpsets - Shoes and rollers - Compression of hose and tube effected by of the Positive displacement pumps.
Peristaltic pumpsets - Shoes and rollers - Number of shoes and rollers The Peristaltic pumpsets - Shoes and rollers - Number of shoes and rollers of the Positive displacement pumps.
Peristaltic pumpsets - Shoes and rollers - Shoe and roller material The Peristaltic pumpsets - Shoes and rollers - Shoe and roller material of the Positive displacement pumps.
Peristaltic pumpsets - Rotor material The Peristaltic pumpsets - Rotor material of the Positive displacement pumps.
Diaphragm pumpsets The Diaphragm pumpsets of the Positive displacement pumps.
Diaphragm pumpsets - Pulsation dampers The Diaphragm pumpsets - Pulsation dampers of the Positive displacement pumps.
Diaphragm pumpsets - Diaphragm material The Diaphragm pumpsets - Diaphragm material of the Positive displacement pumps.
Diaphragm pumpsets - Retainer plate material The Diaphragm pumpsets - Retainer plate material of the Positive displacement pumps.
Diaphragm pumpsets - Diaphragm failure detection system The Diaphragm pumpsets - Diaphragm failure detection system of the Positive displacement pumps.
Diaphragm pumpsets - Valve type The Diaphragm pumpsets - Valve type of the Positive displacement pumps.
Diaphragm pumpsets - Ball valves elastomer coating The Diaphragm pumpsets - Ball valves elastomer coating of the Positive displacement pumps.
Diaphragm pumpsets - Variable stroke connection rod The Diaphragm pumpsets - Variable stroke connection rod of the Positive displacement pumps.
Double diaphragm pumpsets The Double diaphragm pumpsets of the Positive displacement pumps.
Double diaphragm pumpsets - Pulsation dampers The Double diaphragm pumpsets - Pulsation dampers of the Positive displacement pumps.
Double diaphragm pumpsets - Diaphragm material The Double diaphragm pumpsets - Diaphragm material of the Positive displacement pumps.
Double diaphragm pumpsets - Trunnion material The Double diaphragm pumpsets - Trunnion material of the Positive displacement pumps.
Double diaphragm pumpsets - Diaphragm retainer plate material The Double diaphragm pumpsets - Diaphragm retainer plate material of the Positive displacement pumps.
Double diaphragm pumpsets - Diaphragm failure detection system The Double diaphragm pumpsets - Diaphragm failure detection system of the Positive displacement pumps.
Rotary Lobe pumpsets The Rotary Lobe pumpsets of the Positive displacement pumps.
Rotary Lobe pumpsets - Pump casing The Rotary Lobe pumpsets - Pump casing of the Positive displacement pumps.
Rotary Lobe pumpsets - Pump casing - Method of support for front covers exceeding 25kg The Rotary Lobe pumpsets - Pump casing - Method of support for front covers exceeding 25kg of the Positive displacement pumps.
Rotary Lobe pumpsets - Pump casing - Radial wear plates The Rotary Lobe pumpsets - Pump casing - Radial wear plates of the Positive displacement pumps.
Rotary Lobe pumpsets - Rotors The Rotary Lobe pumpsets - Rotors of the Positive displacement pumps.
Rotary Lobe pumpsets - Rotors - Number of rotor lobes The Rotary Lobe pumpsets - Rotors - Number of rotor lobes of the Positive displacement pumps.
Rotary Lobe pumpsets - Rotors - Rotor material and coating combination The Rotary Lobe pumpsets - Rotors - Rotor material and coating combination of the Positive displacement pumps.
Rotary Lobe pumpsets - Rotors - Replaceable tips The Rotary Lobe pumpsets - Rotors - Replaceable tips of the Positive displacement pumps.
Rotary Lobe pumpsets - Seals The Rotary Lobe pumpsets - Seals of the Positive displacement pumps.
Rotary Lobe pumpsets - Seals - Type of seals The Rotary Lobe pumpsets - Seals - Type of seals of the Positive displacement pumps.
Rotary Lobe pumpsets - Seals - Manufacturer The Rotary Lobe pumpsets - Seals - Manufacturer of the Positive displacement pumps.
Rotary Lobe pumpsets - Seals - Mechanical seal type The Rotary Lobe pumpsets - Seals - Mechanical seal type of the Positive displacement pumps.
Rotary Lobe pumpsets - Mechanical seal component materials The Rotary Lobe pumpsets - Mechanical seal component materials of the Positive displacement pumps.
Rotary Lobe pumpsets - Mechanical seal component materials - Rotating ring The Rotary Lobe pumpsets - Mechanical seal component materials - Rotating ring of the Positive displacement pumps.
Rotary Lobe pumpsets - Mechanical seal component materials - Stationary ring The Rotary Lobe pumpsets - Mechanical seal component materials - Stationary ring of the Positive displacement pumps.
Rotary Lobe pumpsets - Mechanical seal component materials - Secondary seals The Rotary Lobe pumpsets - Mechanical seal component materials - Secondary seals of the Positive displacement pumps.
Rotary Lobe pumpsets - Mechanical seal component materials - Springs The Rotary Lobe pumpsets - Mechanical seal component materials - Springs of the Positive displacement pumps.
Rotary Lobe pumpsets - Method of flushing and venting The Rotary Lobe pumpsets - Method of flushing and venting of the Positive displacement pumps.
Rotary Lobe pumpsets - Packed gland seals - method of shaft protection The Rotary Lobe pumpsets - Packed gland seals - method of shaft protection of the Positive displacement pumps.
Rotary Lobe pumpsets - Timing gearbox The Rotary Lobe pumpsets - Timing gearbox of the Positive displacement pumps.
Rotary Lobe pumpsets - Timing gearbox - Shims and packers The Rotary Lobe pumpsets - Timing gearbox - Shims and packers of the Positive displacement pumps.
Rotary Lobe pumpsets - Timing gearbox - Lubrication method The Rotary Lobe pumpsets - Timing gearbox - Lubrication method of the Positive displacement pumps.
Rotary Lobe pumpsets - Timing gearbox - Grade of oil The Rotary Lobe pumpsets - Timing gearbox - Grade of oil of the Positive displacement pumps.
Rotary Lobe pumpsets - Timing gearbox - Bearing manufacturer The Rotary Lobe pumpsets - Timing gearbox - Bearing manufacturer of the Positive displacement pumps.
Rotary Lobe pumpsets - Timing gearbox - Bearing designation The Rotary Lobe pumpsets - Timing gearbox - Bearing designation of the Positive displacement pumps.
Rotary Lobe pumpsets - Timing gearbox - Separate oil chambers The Rotary Lobe pumpsets - Timing gearbox - Separate oil chambers of the Positive displacement pumps.
Motor The Motor of the Positive displacement pumps.
Motor - Supply voltage The Motor - Supply voltage of the Positive displacement pumps.
Motor - Nominal frequency The Motor - Nominal frequency of the Positive displacement pumps.
Type of monitoring required The Type of monitoring required of the Positive displacement pumps.
Type of protection required The Type of protection required of the Positive displacement pumps.
Pressure relief valve The Pressure relief valve of the Positive displacement pumps.
O & M manuals type The O & M manuals type of the Positive displacement pumps.
6

Provide the information specific to the installed deliverable that is required for operation and maintenance. Information covering the detailed maintenance should also be provided in the associated PDF manuals.

Name Definition
Asset type An indication of whether the object is fixed or movable.
Manufacturer Email address for the organisation responsible for supplying or manufacturing the object
ModelNumber The product, item or unit number assigned by the manufacturer of the object.
Warranty guarantor (parts) Email address for the organisation responsible for the parts warranty.
Warranty duration (parts) Duration of parts warranty.
Warranty guarantor (labour) Email address for the organisation responsible for the labour warranty.
Warranty duration (labour) Duration of labour warranty.
Warranty duration unit Duration of warranties (typical value is 'years').
Replacement cost An indicative cost for unit replacement.
Expected life The typical service life of the object.
Duration unit Duration of expected life (typical value is 'years')
Warranty description Description of the warranty content and any exclusions.
Nominal length Typically the larger or primary horizontal dimension.
Nominal width Nominal width of product, typically the characteristic or secondary horizontal or characteristic dimension.
Nominal height Typically the vertical or secondary characteristic dimension.
ModelReference The name of the object as used by the manufacturer.
Shape Characteristic shape of product.
Size Characteristic size of product.
Colour Characteristic or primary colour of product.
Finish Characteristic or primary finish of product.
Grade Standard grading which the product corresponds.
Material Characteristic or primary material of product.
Constituents Optional constituent features, parts or finishes.
Features Other important characteristics or features relevant to product specification.
Accessibility performance The accessibility issue(s) which the object satisfies.
Sustainability performance Description of the sustainability issue(s) which the object satisfies
Code performance The code compliance requirement(s) which the object satisfies
Serial number The serial number assigned to an occurrence of a product by the manufacturer (per instance).
Installation date The date that the manufactured item was installed (per instance).
Warranty start date The date on which the warranty commences.
Tag number The tag number assigned to an occurrence of a product by the occupier (per instance).
Bar code The identity of the bar code (or rfid) given to an occurrence of the product (per instance).
Asset identifier The identification assigned to an asset that enables its differentiation from other assets.