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Crane Duo-Chek High Performance Non-Slam Check Valves

Crane Duo-Chek High Performance Non-Slam Check Valves

PRODUCT DESCRIPTION

Duo-Chek® high performance non-slam check valves are the original Mission Manufacturing Company wafer check valves introduced to the market in the late 50's. The valve is available in the sizes, pressure classes and configurations required to meet the most demanding of applications. 

FEATURES AND BENEFITS

  • Dual-plate designs that are compact and lightweight for efficient seating, operation and lower installation cost
  • Independent springs with long legs to prevent seat scrubbing and provide non-slam performance
  • Retainerless valve design without body penetration for critical service applications

APPLICATIONS

  • Petroleum Refining
  • Oil and Gas Production
  • Chemicals and Petrochemicals
  • Power Generation
  • Steel/Primary Metals
  • Marine
  • Water and Wastewater
  • Pulp and Paper

PERFORMANCE

  • Sizes: 2" to 88"
  • ASME Pressure Class 125 through 2500
  • API 6A and 6D pressure classes
  • DIN, JIS, BS, AS, and ISO standards are also available
  • Wafer, lug, double flanged and extended body styles
  • Wafer configurations available in retainered and retainerless style
  • Body Materials:
    • Cast Iron, Carbon Steel, Stainless Steels, Duplex Stainless Steel, Super Duplex
  • Resilient Seat Materials:
    • EPDM, Buna-N, Neoprene, and Viton-B®
  • Integral and overlaid metal seats also available
  • End Connections:
    • Raised Face, Plain Face, Ring Joint, Weld-End, Hub-End

ABOUT THE MANUFACTURER

Duo-Chek® valves have long been the standard for low-pressure drop flow reversal protection. These valves are made from cast iron, cast steel, stainless steel, and a broad variety of exotic materials. Duo-Chek offers retainerless designs to API 594 end-to-end dimensions in steel bodied wafer and lug style with a wide variety of trim materials including both metal and resilient seats. Valves come in sizes up to 88" and pressure ratings up to class 4500.

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