DR Check Valves are unidirectional, feature flanged-end connections, H₂STrim (DD and EE) and are designed for use in P-U temperature ranges.They feature easy parts replacement, readily available replacement parts and can be repaired in the field without special tooling. DMS Check Valves are used for elevated or subzero temperatures and/or high-pressure service. DMS check valves are available in sizes ranging from 2 1/16” 10,000psi to 3 1/16” 10,000 psi.

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