Vacuum Relief Valve 3 NPT Inlet Port

Vacuum Relief Valve Application Low Pressure Tanks Steam Vessels Vacuum Equipment Body Material Brass Cracking Pressure - Maximum 13.3 psi Cracking Pressure - Minimum 0 in Hg Flow Rate - Maximum 150 cfm Inlet Port Connection Gender Male Inlet Port Connection Size 3 in Inlet Port Connection Type NPT Operating Pressure - Maximum 13.3 psi Operating Temperature - Maximum 400 Degrees F Operating Temperature - Minimum -20 Degrees F Relief Type Proportional Relief Vacuum Maximum 28 in Hg