Industrial Z-67-75 Interstage Safety Valve for Pumps is a Champion interstage relief valve designed to protect the interstage between compressor stages from overpressure. It features a 1/4" MPT (male pipe thread) connection and is associated with NSN 4820-00-421-6984, with alternate part numbers including Z-67-75, Z-67-70, and Z6775. Factory-set to 75 PSIG, this valve is commonly used on Champion R15 and R30 pump assemblies as a direct interstage safety device to relieve excess pressure and safeguard equipment.
