The Inverted Vent Check Valves PM1 Series prevents seawater from entering tanks while allowing air/vapor to escape when tank is filling.

Size (inches): 1.5", 2", 2.5", 3" or 4"
Material: Aluminum 535, Bronze B62, Galvanized Steel or Stainless Steel 316
Connections: Flanged, Socket Weld, Threaded (FNPT) or Butt Weld
Float Options: Stainless Steel 316 (standard), Polyethylene, Monel* or Copper*
Closing Device Material: Stainless Steel 316 (optional)

*By request only

The Inverted Vent Check Valves PM1 Series prevents seawater from entering tanks while allowing air/vapor to escape when tank is filling.

Size (inches): 5", 6", 8", 10" or 12"
Material: Aluminum 535, Bronze B62, Galvanized Steel or Stainless Steel 316
Connections: Flanged, Socket Weld, Threaded (FNPT) or Butt Weld
Float Options: Stainless Steel 316 (standard), Polyethylene, Monel* or Copper*
Closing Device Material: Stainless Steel 316 (optional)

*By request only