5-mm) pipe nipple in less than 6 seconds for vacuum relief during drum dispensing operations. The brass vent provides automatic pressure and vacuum relief, and includes a brass cap with safety chain tethered to the vent to prevent misplacement or loss.
| Justrite Brass Vertical Vent For Petroleum Based Applications, 2" Bung Remove cap during drum filling operations. Justrite Brass Vertical Vent For Petroleum Based Applications, 2" Bung Model no.