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
Item # |
Pipe Size: A |
Dim: B |
Dim: C |
Dim: D |
Dim: E |
Dim: F |
Dim: G |
|---|---|---|---|---|---|---|---|
| 1.5-PM1 | N/A 1.5 in | N/A 4.63 in | N/A 4 in | N/A 4.75 in | N/A 5 in | N/A 1.5 in | N/A 0.5 in |
| 2-PM1 | N/A 2 in | N/A 6.13 in | N/A 5 in | N/A 6.38 in | N/A 6 in | N/A 2 in | N/A 0.5 in |
| 2.5-PM1 | N/A 2.5 in | N/A 6.25 in | N/A 5.5 in | N/A 6.63 in | N/A 7 in | N/A 1.88 in | N/A 0.5 in |
| 3-PM1 | N/A 3 in | N/A 7.38 in | N/A 6.5 in | N/A 7.94 in | N/A 7.5 in | N/A 2 in | N/A 0.5 in |
| 4-PM1 | N/A 4 in | N/A 8.88 in | N/A 8 in | N/A 9.31 in | N/A 9 in | N/A 2.5 in | N/A 0.5 in |
