2" vented bung cap for tight head and closed-head drums

Metal drum packaging screw in closure with vent-in preventing under-pressure inside

Breath-in valve cap for drums and barrels with G2 (2 inch) BSP bung hole

One directional mushroom vent (valve) bung plug for consuming air, temperature decrease (e.g. hotfill), altitude changes

No inward collapsing containers / drums / barrels

Material: zincplated steel

Seal options: Nitril (NBR) / EPDM

Vent insert: vent-in (mushroom type)

Art. code: HP2205

Also available for this product: metal and plastic capseals