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SAE ARP4946
- Aerospace - Valves, Check, Hydraulic, Aircraft and Missile
- standard by SAE International, 10/01/2000
- Publisher: SAE
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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 operation pressure shown.