Denios - Model M320038W -Bung Plug Lock Valve

Bung Plug Lock - 2" bung - Liquid and Airtight Seal - Simple Drum Security. Make drum security simple and cost effective by using a plug to protect expensive drum contents. An expandable heavy-duty Geolast gasket enlarges as the high torque Zytel wing nut is turned clockwise to form a liquid and airtight seal. One plug is securely tightened, padlock must be installed to lock the wing nut in place. Not to be used for shipping filled drums.