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Betts · Fuel System
19018BU
In stock · ships from Knoxville
This is a replacement nitrile rubber seat disc for Betts 3-inch flat seat aluminum emergency valves.
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Fits 3-inch Betts flat seat emergency valves. Not for 4-inch or other valve types.
Part data verified against 4 catalog sources
Numbers this part supersedes or interchanges with. Showing 1 of 1.
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It sits inside the valve body and seals against the internal seat to prevent fuel leaks when the valve is closed. You typically replace this disc during a valve rebuild if the old one is cracked, worn, or failing to seal properly, which can happen from age or chemical exposure. It's a standard service part for maintaining the safety shut-off on gasoline or chemical tank trailers.
Part Number: 19018BU
3 SET DISC FOR BETTS FLAT DISC EMERGENCY VALVE
Unit: ea
Dealer: Post Onsite
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