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Duo-Chek II

Duo-Chek II high performance check valves are available in the sizes, pressure classes and configurations you need to meet the most demanding of applications. Duo-Chek II products range includes the following:

• ANSI Class 125 through 2500
• API 6A and 6D pressure classes also available
• Sizes from 1-1/2 through 72 inches
• Lug, wafer, double flanged and extended body styles
• All body configurations available in retainerless style
• Body materials: Cast iron, Ductile iron, WCB cast steel, 316 stainless steel, All alloys
• Resilient seal materials: EPDM, Buna-N, Neoprene, Refrigeration-grade elastomer, Viton-B
• Metal seals also available
• End connections: Raised face, Plain face, Ring joint, Weld-end, Hub-end

Duo-Check II Diagram

For more information and specification on Crane's Duo-Check II products, please refers to the Duo-Check II Catalog in PDF format.

Instrument Associates, Inc.

Duo-Chek II