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Betts · Hardware & Fasteners
3559BN
In stock · ships from Knoxville
This is a replacement manhole cover gasket for 16-inch round weld collars, commonly found on petroleum tank trailers and other tank trucks.
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Designed for 16-inch round weld collars using a clamp ring. Verify your collar diameter and gasket profile (L-shaped) before ordering. Fits Betts manhole covers, but may fit other brands using the same collar design.
Part data verified against 5 catalog sources
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Made from black Buna-N (nitrile) rubber, it provides a fuel-resistant seal between the tank's welded collar and the domed lid. The gasket has an L-shaped cross-section and is secured by a clamp ring. Over time, gaskets may harden, crack or leak, so replacing them ensures a tight, leak-free seal.
Part Number: 3559BN
16 WELD COLLAR GASKET
Unit: ea
Dealer: Post Onsite
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