Inlet Port: 3/8-18 NPT 

Vent: Ø .125 IN 

Number of Vents: 1 

Thread Sealant: No Sealant 

Adjustable: No 

Opening Pressure: 150 ± 8 PSI 

Closing Pressure: 75% of the Minimum Opening Pressure 

Maximum Operating Temperature: 200 °F (93 °C) 

Minimum Operating Temperature: -40 °F (-40 °C)