Prevents fire or sparks from reaching contents. All-brass construction delivers durability and safety. Automatic pressure relief at 5 psi and vacuum relief allows 4 gpm flow-through 3/4" faucet. Fits 2" bung opening. 2" IPT. FM approved. FOB Shipping Point.
- Protect drums from fire and explosion.
- Releases internal drum pressure vents in outside air.
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