ARP4946 - Aerospace - Valves, Check, Hydraulic, Aircraft and Missile

Details Document Number: ARP4946 Revision Number: Title Aerospace - Valves, Check, Hydraulic, Aircraft and Missile Scope This SAE Aerospace Recommended Practice (ARP) establishes the general requirements for spring-loaded, normally closed check valves for use in Type I, Type II, or Type III aircraft and missile hydraulic systems having nominal operating pressure shown in Table 1.

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