<?xml version="1.0"?>
<PropertySetDef xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" ifdguid="53ce4a00d21511e1800000215ad4efdf" templatetype="PSET_TYPEDRIVENOVERRIDE" xsi:noNamespaceSchemaLocation="http://buildingSMART-tech.org/xml/psd/PSD_IFC4.xsd">
  <IfcVersion version="IFC4" />
  <Name>Pset_ValveTypePressureReducing</Name>
  <Definition>Valve that reduces the pressure of a fluid immediately downstream of its position in a pipeline to a preselected value or by a predetermined ratio.
Note that a pressure reducing valve is constrained to have a 2 port  pattern.</Definition>
  <Applicability />
  <ApplicableClasses>
    <ClassName>IfcValve/PRESSUREREDUCING</ClassName>
  </ApplicableClasses>
  <ApplicableTypeValue>IfcValve/PRESSUREREDUCING</ApplicableTypeValue>
  <PropertyDefs>
    <PropertyDef ifdguid="59c42b00d21511e1800000215ad4efdf">
      <Name>UpstreamPressure</Name>
      <Definition>The operating pressure of the fluid upstream of the pressure reducing valve.</Definition>
      <PropertyType>
        <TypePropertySingleValue>
          <DataType type="IfcPressureMeasure" />
        </TypePropertySingleValue>
      </PropertyType>
      <NameAliases>
        <NameAlias lang="en">Upstream Pressure</NameAlias>
        <NameAlias lang="ja-JP">上流圧力</NameAlias>
      </NameAliases>
      <DefinitionAliases>
        <DefinitionAlias lang="en" />
        <DefinitionAlias lang="ja-JP">減圧弁の上流の流体運転圧力</DefinitionAlias>
      </DefinitionAliases>
    </PropertyDef>
    <PropertyDef ifdguid="5fba0c00d21511e1800000215ad4efdf">
      <Name>DownstreamPressure</Name>
      <Definition>The operating pressure of the fluid downstream of the pressure reducing valve.</Definition>
      <PropertyType>
        <TypePropertySingleValue>
          <DataType type="IfcPressureMeasure" />
        </TypePropertySingleValue>
      </PropertyType>
      <NameAliases>
        <NameAlias lang="en">Downstream Pressure</NameAlias>
        <NameAlias lang="ja-JP">下流圧力</NameAlias>
      </NameAliases>
      <DefinitionAliases>
        <DefinitionAlias lang="en" />
        <DefinitionAlias lang="ja-JP">減圧弁の下流の流体運転圧力</DefinitionAlias>
      </DefinitionAliases>
    </PropertyDef>
  </PropertyDefs>
  <PsetDefinitionAliases>
    <PsetDefinitionAlias lang="en" />
    <PsetDefinitionAlias lang="ja-JP">減圧弁</PsetDefinitionAlias>
  </PsetDefinitionAliases>
</PropertySetDef>