Recommended Design and Test Requirements for Hydraulic Check Valves
ARP4946A
This SAE Aerospace Recommended Practice (ARP) provides recommendations for the design and test requirements for a spring-loaded, normally-closed hydraulic check valve.
The check valve is intended for use in a civil or military aircraft hydraulic system with a rated system pressure up to 5000 psi (34500 kPa).
Rationale:
ARP4946 has been updated to Revision A for the following reasons:
It has been rewritten to a new format including the title change.
It incorporates technical and editorial changes.
The references have been updated.
Related Topics:
Hydraulic fittings
Also known as: SAE ARP 4946
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