Interstate Pneumatics CPM18 Compressed Air Tank Fill / Release Valve. Interstate Pneumatics Release Valve has 1/2" NPT brass body, a 150 psi relief pressure, a 1/4" male NPT thread connection, a schrader valve for filling the tank and a steel pull ring for manual pressure relief.

Features:

• Relief pressure preset to 150 PSI
• 1/4" Male NPT threaded inlet connection
• Brass construction
• 250 degrees F maximum temperature for use in high temperature applications

Specifications:

• Gauge Port: 1/8" NPT
• Inlet: 1/4" NPT
• Tank Port: 1/2" NPT