Brass Breather Valve with G 1/2" Pipe Thread – J.W. Winco 881-G1/2-200-MS-M

Once the opening pressure given in the table is exceeded, GN 881 breather valves with gasket will vent into a container, preventing excessive internal container pressure.In its normal state, the gasket seals the container and prevents dirt and dust from getting inside of it. The valves are checked for leak tightness and opening pressure. Temperature resistant from -22° F to 212° F (-30° C to +100° C).