Justrite Brass Vertical Vent Assembly For 3/4" Bung Model no. 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.Provide emergency pressure venting in the event of a fire to avoid drum failure and catastrophic consequences. Six-inch (152-mm) flame arrester safely dissipates heat and prevents flashback from external ignition sources.
| Justrite Brass Vertical Vent Assembly For 3/4" Bung Remove cap during drum filling operations.5-mm) pipe nipple in less than 6 seconds for vacuum relief during drum dispensing operations. Keep vent capped in closed position after filling operations to prevent flammable vapor from escaping.Provide emergency pressure venting in the event of a fire to avoid drum failure and catastrophic consequences.