1660 Tank Air Escape Valve
The 1660 Tank Air Escape Valve with cover allow free passage of air into tanks, dry cargo holds, or storage space. They protect tanks and bulkheads from pressure build-up during loading and unloading of liquid or dry cargo and assure maximum efficiency during operations.
Since tank air escape valves to not have a float or automatic closing, they are used in locations not accessible to sea water.

All steel castings are hot dipped galvanized. All aluminum castings are anodized.

1700 Series Inverted Vent Check Valves, which are equipped with floats.