Built Tough 1/4 Inch NPT Air Compressor Relief Valve 140 PSI Set Point 55 SCFM Tank Pop Off Safety Valve Brass Body Stainless Steel Spring O Ring Seal Fits Most Portable And Shop Compressors

1/4 in NPT Air Compressor Relief Valve, 140 PSI, 55 SCFM
✔️ Brass body with stainless spring; 140 psi relief; 55 SCFM; 1/4" NPT inlet

This 1/4 inch NPT air compressor relief valve is designed to vent excess pressure from small to mid-sized portable and shop compressors. It features a brass body, stainless steel spring, and a silicone O-ring seal for corrosion resistance and reliable performance up to 250°F. ASME safety rated with UV and NB marks, this valve provides dependable protection in common workshop setups.

✅ 1/4" male NPT inlet connection
✅ Brass body with brass valve seat and stainless steel spring for corrosion resistance
✅ 140 psi relief set point with +/-3% accuracy
✅ Silicon O-ring seal provides leak-proof performance within +/-10% of relief pressure
✅ Maximum operating temperature up to 250°F
✅ ASME safety rated with UV and NB marks; 55 SCFM flow

💡 What is a pressure relief valve used for in air compressors?

It protects equipment and operators by venting excess pressure and preventing failures in pneumatic systems. - Protects against overpressure in air tanks and lines - Handy for portable and shop air compressors during daily use - Helps maintain safe operating pressures and protect hoses and fittings