7 OPC UA ObjectTypes ToC Previous Next

7.20 DesignType ObjectType Definition ToC Previous Next

The DesignType provides static Variables for design properties, describing the limitations and working conditions of a Pump and is formally defined in Table 47.

Table 47 – DesignType Definition

Attribute Value        
BrowseName DesignType        
IsAbstract False        
References Node Class BrowseName DataType TypeDefinition Other
Subtype of the 2:FunctionalGroupType defined in OPC 10000-100, i.e. inheriting the InstanceDeclarations of that Node.          
0:HasComponent Variable AdditionalFieldbuses 0:String [128] 0:DataItemType O, RO
0:HasComponent Variable BalancingRateOfFlow 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable BasePressure 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable ClearanceVolume 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable ClockwiseRotation 0:Boolean 0:TwoStateDiscreteType O, RO
0:HasComponent Variable Controllable 0:Boolean 0:TwoStateDiscreteType O, RO
0:HasComponent Variable Cool_DownTimeForAVaporJetPumpOrADiffusionPump 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable Counter_ClockwiseRotation 0:Boolean 0:TwoStateDiscreteType O, RO
0:HasComponent Variable CriticalSpeed 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable DeclarationOfConformity 0:String 0:DataItemType O, RO
0:HasComponent Variable DeclarationOfConformityAvailable 0:Boolean 0:TwoStateDiscreteType O, RO
0:HasComponent Variable DesignAxialLoad 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable DesignRadialLoad 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable DirectivesOfEUDeclarationOfConformity DeclarationOfConformityOptionSet 0:DataItemType O, RO
0:HasComponent Variable DryCriticalSpeed 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable ExplosionProtection ExplosionProtectionOptionSet 0:DataItemType O, RO
0:HasComponent Variable GeometricalFlow 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable GeometricDisplacementVolume 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable HeadAtPeakPoint 0:Double 0:BaseAnalogType O, RO
0:HasComponent Object InstallationNpshCurve   0:FileType O
0:HasComponent Variable LeakageRateOfFlow 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable MaximumAllowableAmbientTemperature 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable MaximumAllowableCasingWorkingPressure 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable MaximumAllowableContinuousSpeed 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable MaximumAllowableHead 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable MaximumAllowableRelativeHumidity 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable MaximumAllowableTemperature 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable MaximumAllowableThroughput 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable MaximumAllowableWorkingPressure 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable MaximumAxialLoad 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable MaximumPumpPowerInput 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable MaximumRadialLoad 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable MaximumStaticSealingPressure 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable MeanTimebetweenFailures 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable MinimumAllowableAmbientTemperature 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable MinimumAllowableContinuousSpeed 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable MinimumAllowableHead 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable MinimumAllowableRelativeHumidity 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable MinimumAllowableTemperature 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable MinimumAllowableThermalFlow 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable MinimumContinuousStableFlow 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable MinimumContinuousThermalFlow 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable NetPositiveSuctionHeadRequired 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable NetPositiveSuctionHeadRequiredForADropOf3Percent 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable OfferedControlModes OfferedControlModesOptionSet 0:DataItemType O, RO
0:HasComponent Variable OfferedFieldbuses OfferedFieldbusesOptionSet 0:DataItemType O, RO
0:HasComponent Variable OptimumHead 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable OptimumPumpPowerInput 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable OptimumRateOfFlow 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable PistonVelocity 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable PossibleFluids 0:String [] 0:DataItemType O, RO
0:HasComponent Variable Pre_ChargePressure 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable PumpClass PumpClassEnum 0:DataItemType O, RO
0:HasComponent Object PumpCurve   0:FileType O
0:HasComponent Object PumpEfficiencyCurve   0:FileType O
0:HasComponent Object PumpH_Q_Curve   0:FileType O
0:HasComponent Object PumpNpshCurve   0:FileType O
0:HasComponent Object PumpPowerInputCurve   0:FileType O
0:HasComponent Variable Shut_OffHead 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable Shut_OffPumpPowerInput 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable SlipFlow 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable SoundEnergy 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable SoundEnergyLevel 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable SoundPower 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable SoundPowerLevel 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable SoundPressure 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable SoundPressureLevel 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable SpecificSpeed 0:Double 0:BaseAnalogType O, RO
0:HasComponent Object StablePumpH_Q_Curve   0:FileType O
0:HasComponent Variable StandardGasFlowrate 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable StartingPressure 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable Suction_SpecificSpeed 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable SweptVolume 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable TripSpeed 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable TypeNumber 0:Double 0:DataItemType O, RO
0:HasComponent Variable VolumeFlowRate 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable VolumeFlowRateOfBackingPump 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable WarmUpTimeForAVaporJetPumpOrADiffusionPump 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable WaterVaporTolerableLoad 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable WetCriticalSpeed 0:Double 0:BaseAnalogType O, RO

The optional Variable AdditionalFieldbuses is a one dimensional array with a limit of 128 entries.

The optional Variable PossibleFluids is a one dimensional array without a limit for possible entries.

The InstanceDeclarations of the DesignType have additional Attributes defined in Table 48. The Variables and the associated Descriptions are based on the standards DIN EN ISO 17769-1, DIN EN ISO 17769-2, DIN ISO 21360-1, ISO 3529-2, DIN 28400-2, DIN EN ISO 80000-8, ISO/TR 25417 and DIN EN 13306.

Table 48 – DesignType Attribute values for child Nodes

BrowsePath Value Attribute Description Attribute
AdditionalFieldbuses   Additional fieldbuses supported by the product.
BalancingRateOfFlow   Rate of flow which is extracted to activate a balance device
   BalancingRateOfFlow
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5067091
DisplayName: m³/s
Description: cubic metre per second
 
BasePressure   Pressure obtained in the test dome after conditioning the vacuum pump and the test dome
   BasePressure
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5259596
DisplayName: Pa
Description: pascal
 
ClearanceVolume   Volume remaining unswept at the end of the discharge stroke.
   ClearanceVolume
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5067857
DisplayName: m³
Description: cubic metre
 
ClockwiseRotation   Direction of rotation in which the shaft is seen to be turning in a clockwise direction when viewing the drive end of the shaft. A “True” status means that the rotation of pump is clockwise and a “False” status means that the rotation of pump is anticlockwise.
Controllable   Indicates whether the product is a controllable pump or a self-controlling pump. A “True” status means that the pump is controllable and a “False” status means that the pump is not controllable.
Cool_DownTimeForAVaporJetPumpOrADiffusionPump   The cool-down time is the time required to cool the propellant from the working temperature to a temperature at which the propellant can be exposed to atmospheric air without risk after the heating has been switched off.
   Cool_DownTimeForAVaporJetPumpOrADiffusionPump
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5457219
DisplayName: s
Description: second [unit of time]
 
Counter_ClockwiseRotation   Direction of rotation in which the shaft is seen to be turning in an anticlockwise direction, when viewing the drive end of the shaft. A “True” status means that the rotation of pump is anticlockwise and a “False” status means that the rotation of pump is clockwise.
CriticalSpeed   Speed of rotation at which the frequency of vibration (or its multiples) corresponds to the rotor resonant (lateral or torsional)
   CriticalSpeed
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 4405559
DisplayName: s⁻¹
Description: reciprocal second
 
DeclarationOfConformity   Publicly accessible attestation of conformity, commonly available on websites.
DeclarationOfConformityAvailable   Whether or not a declaration of conformity exists. A “True” status means that the declaration exists and a “False” status means that there is no declaration available.
DesignAxialLoad   Residual axial thrust on the pump rotor on which the thrust-bearing selection is based.
   DesignAxialLoad
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5129559
DisplayName: N
Description: newton
 
DesignRadialLoad   Radial load of the pump rotor for which the bearing system is selected.
   DesignRadialLoad
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5129559
DisplayName: N
Description: newton
 
DirectivesOfEUDeclarationOfConformity   Set of directives on the basis of which conformity was determined.
DryCriticalSpeed   Rotor resonant frequency calculated assuming that the rotor is supported only at its bearings and that the bearings are of infinite stiffness
   DryCriticalSpeed
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 4405559
DisplayName: s⁻¹
Description: reciprocal second
 
ExplosionProtection   Device category for explosion protection according to 2014/34/EU (ATEX).
GeometricalFlow   Product of geometrical displacement volume and speed of rotation or stroke frequency
   GeometricalFlow
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5067091
DisplayName: m³/s
Description: cubic metre per second
 
GeometricDisplacementVolume   Displacement volume for one stroke or one cycle.
   GeometricDisplacementVolume
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5067857
DisplayName: m³
Description: cubic metre
 
HeadAtPeakPoint   Highest total head developed by a pump when this does not occur at a zero rate of flow
   HeadAtPeakPoint
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5067858
DisplayName: m
Description: metre
 
InstallationNpshCurve   Relationship between the net positive suction head available and the rate of flow at given operating conditions for a given liquid
LeakageRateOfFlow   Rate of flow leaking from shaft seals
   LeakageRateOfFlow
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5067091
DisplayName: m³/s
Description: cubic metre per second
 
MaximumAllowableAmbientTemperature   Highest allowable ambient temperature for which the equipment (or any part to which the term refers) is suitable
   MaximumAllowableAmbientTemperature
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 4932940
DisplayName: K
Description: kelvin
 
MaximumAllowableCasingWorkingPressure   Greatest outlet pressure at the specified operating temperature at which the pump casing can be used
   MaximumAllowableCasingWorkingPressure
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5259596
DisplayName: Pa
Description: pascal
 
MaximumAllowableContinuousSpeed   Highest rotational speed for continuous operation recommended by the manufacturer
   MaximumAllowableContinuousSpeed
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 4405559
DisplayName: s⁻¹
Description: reciprocal second
 
MaximumAllowableHead   Maximum permissible head at which the pump can be continuously operated without suffering damage
   MaximumAllowableHead
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5067858
DisplayName: m
Description: metre
 
MaximumAllowableRelativeHumidity   Highest allowable relative humidity for which the equipment (or any part to which the term refers) is suitable
   MaximumAllowableRelativeHumidity
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 20529
DisplayName: %
Description: percent
 
MaximumAllowableTemperature   Highest allowable continuous fluid temperature for which the equipment (or any part to which the term refers) is suitable when handling the specified operating fluid at the specified operating pressure
   MaximumAllowableTemperature
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 4932940
DisplayName: K
Description: kelvin
 
MaximumAllowableThroughput   Maximum pV flow the pump can withstand without damage
   MaximumAllowableThroughput
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 4665393
DisplayName: Pa·m³/s
Description: pascal cubic metre per second
 
MaximumAllowableWorkingPressure   Pressure for a component on the basis of materials used and on the basis of calculation rules at the specified operating temperature
   MaximumAllowableWorkingPressure
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5259596
DisplayName: Pa
Description: pascal
 
MaximumAxialLoad   Greatest value of the residual axial thrust on the pump rotor resulting from operating the pump at any condition within its allowable operating range.
   MaximumAxialLoad
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5129559
DisplayName: N
Description: newton
 
MaximumPumpPowerInput   Highest value of the pump power input at any rate of flow at any allowable operating condition
   MaximumPumpPowerInput
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5723220
DisplayName: W
Description: watt
 
MaximumRadialLoad   Greatest radial load of the pump rotor resulting from operating the pump at any condition within its allowable operating range.
   MaximumRadialLoad
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5129559
DisplayName: N
Description: newton
 
MaximumStaticSealingPressure   Highest pressure, excluding hydrostatic testing, to which the seal can be subjected while the pump is shut down
   MaximumStaticSealingPressure
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5259596
DisplayName: Pa
Description: pascal
 
MeanTimebetweenFailures   Average of the times between failures.
   MeanTimebetweenFailures
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 4740434
DisplayName: h
Description: hour
 
MinimumAllowableAmbientTemperature   Lowest allowable ambient temperature for which the equipment (or any part to which the term refers) is suitable
   MinimumAllowableAmbientTemperature
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 4932940
DisplayName: K
Description: kelvin
 
MinimumAllowableContinuousSpeed   Lowest speed for continuous operation recommended by the manufacturer
   MinimumAllowableContinuousSpeed
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 4405559
DisplayName: s⁻¹
Description: reciprocal second
 
MinimumAllowableHead   Minimum permissible head at which the pump can be operated without suffering damage
   MinimumAllowableHead
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5067858
DisplayName: m
Description: metre
 
MinimumAllowableRelativeHumidity   Lowest allowable relative humidity for which the equipment (or any part to which the term refers) is suitable
   MinimumAllowableRelativeHumidity
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 20529
DisplayName: %
Description: percent
 
MinimumAllowableTemperature   Lowest allowable continuous temperature for which the equipment (or any part to which the term refers) is suitable when handling the specified operating fluid at the specified operating pressure
   MinimumAllowableTemperature
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 4932940
DisplayName: K
Description: kelvin
 
MinimumAllowableThermalFlow   Lowest flow at which the pump can operate without its operation being impaired by the temperature rise of the pumped liquid
   MinimumAllowableThermalFlow
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5067091
DisplayName: m³/s
Description: cubic metre per second
 
MinimumContinuousStableFlow   Lowest flow at which the pump can be operated without it adversely affecting its performance in terms of life expectancy, noise and vibrations
   MinimumContinuousStableFlow
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5067091
DisplayName: m³/s
Description: cubic metre per second
 
MinimumContinuousThermalFlow   Lowest flow at which the pump can operate without its operation being impaired by the temperature rise of the pumped liquid
   MinimumContinuousThermalFlow
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5067091
DisplayName: m³/s
Description: cubic metre per second
 
NetPositiveSuctionHeadRequired   Minimum NPSH at the pump inlet connection required to give the rated or operating performance at the specified conditions
   NetPositiveSuctionHeadRequired
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5067858
DisplayName: m
Description: metre
 
NetPositiveSuctionHeadRequiredForADropOf3Percent   NPSH required for a drop of 3 % in the total head of the first stage of the pump as a standard basis for use in performance curves
   NetPositiveSuctionHeadRequiredForADropOf3Percent
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5067858
DisplayName: m
Description: metre
 
OfferedControlModes   Control modes supported by the manufacturer for the product.
OfferedFieldbuses   Fieldbuses supported by the manufacturer for the product.
OptimumHead   Total head developed by the pump at a rate of flow corresponding to the best efficiency
   OptimumHead
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5067858
DisplayName: m
Description: metre
 
OptimumPumpPowerInput   Pump power input at the rate of flow corresponding to the best efficiency
   OptimumPumpPowerInput
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5723220
DisplayName: W
Description: watt
 
OptimumRateOfFlow   Rate of flow at the point of best efficiency
   OptimumRateOfFlow
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5067091
DisplayName: m³/s
Description: cubic metre per second
 
PistonVelocity   Average speed given by the stroke length multiplied with the number of complete pumping cycles of the piston, plunger or piston attached to the diaphragm per minute (stroke per minute or pump crank speed)
   PistonVelocity
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5067859
DisplayName: m/s
Description: metre per second
 
PossibleFluids   Fluids that can be pumped by the pump.
Pre_ChargePressure   Pressure to which the pulsation dampener is charged with dry gas prior to start of operation
   Pre_ChargePressure
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5259596
DisplayName: Pa
Description: pascal
 
PumpClass   Pump type according to functional principle and pumped fluid
PumpCurve   Representation of the pump head plotted against the flow rate
PumpEfficiencyCurve   Relationship between the pump efficiency and the rate of flow at given operating conditions of speed and liquid
PumpH_Q_Curve   Relationship between the total head of the pump and the rate of flow at given operating conditions /rated conditions of speed and liquid
PumpNpshCurve   Relationship between the net positive suction head required and the rate of flow at given operating conditions of speed and liquid
PumpPowerInputCurve   Relationship between the pump power input and the rate of flow given operating conditions of speed and liquid
Shut_OffHead   Total head developed by the pump in a zero rate of flow
   Shut_OffHead
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5067858
DisplayName: m
Description: metre
 
Shut_OffPumpPowerInput   Pump power input at zero rate of flow
   Shut_OffPumpPowerInput
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5723220
DisplayName: W
Description: watt
 
SlipFlow   Flow lost internally through clearances
   SlipFlow
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5067091
DisplayName: m³/s
Description: cubic metre per second
 
SoundEnergy   Integral of the sound power, P, over a stated time interval of duration T (starting at t1 and ending at t2).
   SoundEnergy
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 4869973
DisplayName: J
Description: joule
 
SoundEnergyLevel   Ten times the logarithm to the base 10 of the ratio of the sound energy, J, to a reference value, J0, expressed in decibels.
   SoundEnergyLevel
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 12878
DisplayName: dB
Description: decibel
 
SoundPower   Through a surface, product of the sound pressure, p, and the component of the particle velocity, un, at a point on the surface in the direction normal to the surface, integrated over that surface.
   SoundPower
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5723220
DisplayName: W
Description: watt
 
SoundPowerLevel   Ten times the logarithm to the base 10 of the ratio of the sound power of a source, P, to a reference value, P0, expressed in decibels.
   SoundPowerLevel
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 12878
DisplayName: dB
Description: decibel
 
SoundPressure   Difference between instantaneous pressure and static pressure.
   SoundPressure
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5259596
DisplayName: Pa
Description: pascal
 
SoundPressureLevel   Ten times the logarithm to the base 10 of the ratio of the square of the sound pressure, p, to the square of a reference value, p0, expressed in decibels.
   SoundPressureLevel
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 12878
DisplayName: dB
Description: decibel
 
SpecificSpeed   Speed that characterizes a pump in terms of its speed, flow rate per impeller eye, i.e. total flow for single-flow impeller, half flow for double-flow impeller, at the best efficiency point and head per stage at maximum impeller diameter
   SpecificSpeed
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 4405559
DisplayName: s⁻¹
Description: reciprocal second
 
StablePumpH_Q_Curve   Pump H(Q) curve where the maximum head and shut-off head are coincidental, and the total head declines continuously as the rate of flow increases
StandardGasFlowrate   Volume flow rate at standard reference conditions, i.e. 0 °C and 101 325 Pa
   StandardGasFlowrate
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5067091
DisplayName: m³/s
Description: cubic metre per second
 
StartingPressure   The starting pressure is the pressure at which a vacuum pump can be switched on and a pumping effect is achieved without damage occurring.
   StartingPressure
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5259596
DisplayName: Pa
Description: pascal
 
Suction_SpecificSpeed   Speed that characterizes a pump’s cavitation performance in terms of its speed, optimum rate of flow per impeller eye at best efficiency point and NPSH3 at best efficiency point for the first stage at maximum impeller diameter
   Suction_SpecificSpeed
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 4405559
DisplayName: s⁻¹
Description: reciprocal second
 
SweptVolume   Volume traversed by a single stroke of piston, plunger or diaphragm.
   SweptVolume
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5067857
DisplayName: m³
Description: cubic metre
 
TripSpeed   Speed at which the independent emergency overspeed devices operate to shut down a prime mover
   TripSpeed
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 4405559
DisplayName: s⁻¹
Description: reciprocal second
 
TypeNumber   Pure number calculated at the point of best efficiency
VolumeFlowRate   Volume flow rate of the gas removed by the pump from the gas phase within the evacuated chamber.
   VolumeFlowRate
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5067091
DisplayName: m³/s
Description: cubic metre per second
 
VolumeFlowRateOfBackingPump   Maximum volume flow rate for which the conditions are defined in the instruction manual or in a specific standard for the particular vacuum pump
   VolumeFlowRateOfBackingPump
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5067091
DisplayName: m³/s
Description: cubic metre per second
 
WarmUpTimeForAVaporJetPumpOrADiffusionPump   The warm-up time is the time required to heat the blowing agent in the boiling vessel to its working temperature. The initial temperature can either be equal to the ambient temperature or equal to the temperature at which the blowing agent of the vacuum pump can be exposed to atmospheric air without risk.
   WarmUpTimeForAVaporJetPumpOrADiffusionPump
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5457219
DisplayName: s
Description: second [unit of time]
 
WaterVaporTolerableLoad   The mass flow rate for water vapor, in a gas ballast pump, in continuous operation and under normal ambient conditions, if the pumped gas is pure water vapor.
   WaterVaporTolerableLoad
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 4933459
DisplayName: kg/s
Description: kilogram per second
 
WetCriticalSpeed   Rotor resonant frequency calculated considering the additional support and damping produced by the action of the pumped fluid within rotor
   WetCriticalSpeed
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 4405559
DisplayName: s⁻¹
Description: reciprocal second
 

Previous Next