New Quarter Inch NPT Air Compressor Relief Pressure Valve 165 PSI 64 SCFM Tank Pop Off With Brass Body Stainless Steel Spring Leak Proof Silicon O Ring

165 psi single-unit brass NPT relief valve for air compressors
✔️ 165 psi relief, 1/4" NPT inlet, brass body, 64 SCFM

This compact, ASME-rated relief valve is designed for air compressors and other pressure vessels. It features a brass body, stainless steel spring, and a silicone O-ring to ensure a leak-proof seal and dependable relief performance in up to 250 degrees F environments.

✅ Brass body with stainless steel spring for corrosion resistance
✅ 165 psi relief pressure with tight +/-3% accuracy
✅ Silicone O-ring seal maintains +/-10% of relief pressure
✅ 64 SCFM flow at rated pressure
✅ 1/4" male NPT inlet (approx 0.54" OD)
✅ ASME safety rated with UV and NB marks
✅ Max temp 250°F for high-temp use

💡 What is a relief valve and how does it work?

A handy safety device that protects equipment by venting excess pressure when needed.

- Maintains system pressure by opening at the set point - Closes automatically after pressure drops to the reset level - Commonly used on compressors, tanks, and piping to prevent overpressure - Some units offer adjustable set points for different applications