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150WR / 300WR / 600WR Cast Steel, Wafer Double Door (Retainerless) Check Valve - Image 1
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150WR / 300WR / 600WR
Cast Steel, Wafer
Double Door (Retainerless) Check Valve

The WR series is a double-door (retainerless), wafer style check valve designed for back-flow prevention in high-temperature and corrosive industrial applications. The retainerless design eliminates potential leak paths providing a better option for handling toxic, corrosive, or hazardous gases and liquids. The WR series is also suited for steam, and can be installed vertically or horizontally.

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Product Information

Sizes Available

  • 2” to 12″
    (50mm to 300mm)

Pressure Rating

  • ASME Class 150/300/600 (2” to 3”)
  • ASME Class 150/300 (4” to 6”)
  • ASME Class 150 (8” to 12”)

Temperature Rating

  • Metal seat: -58°F to 840°F (-50°C to 450°C)
  • Viton® seat: -58°F to 248°F (-50°C to 120°C)
  • Buna-N seat: -20°F to 185°F (-29°C to 85°C)

Design & Construction

Standards & Approvals

  • Design: API 594
  • Flanges: ANSI B16.5
  • Testing: API 598
  • Quality: ISO 9001:2015
  • Registration: CRN

Resources

Double Door
Check Valve
Spec Sheet24-0059

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