Hatch Cover gaskets
for fishing & other vessels
square or rectangular cross section of thick rubber strips
can be beveled on one or 2 edges to clear weld beads
materials generally are gum rubber or 40 durometer Shore A neoprene
strips can be to 50 feet or more depending on cross section
Manhole and hand hole gaskets
provide access to tanks
obround shapes - half-circle ends with a straight section joining them
often common sizes with varying bolt hole patterns
materials usually are rubber
for fuel & oil nitrile (buna-N) or cork/nitrile (buna-N), 1/8" thick
cloth-inserted (polyester or nylon) neoprene and nitrile materials available
molded Topog-eŽ gaskets
for steam pressure vessels up to 180 psi (12 bar) and 380° F (193° C)
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