Pump Bypass Pressure Regulator

This precision bypass pressure regulator is based on JASC’s patented inverted spool technology, and was designed to control the pressure ratio across an APU fuel pump.  It is packaged as a spring-loaded cartridge for easy insertion into a manifold.  This robust device exhibits stable operation, is contamination tolerant, and achieves long life under operating conditions on the engine.

Specifications
Fluid Fuel per MIL-DTL5624/83133; ASTM-D1655
Crack Pressure 300-400 psid, adjustable
Proof Pressure 900 psig
Burst Pressure 1200 psig
Temperature Range 65°F to +300°F
Leakage
External None
Internal 5.0 cc/min max. up to 80% of crack pressure
Part Number 101261