Material Specification
JCM 204 Steel Reducing Coupling
Middle Ring:
ASTM A-36
Followers:
14” and larger: ASTM A -36
Bolts:
Corrosion resistant, high strength low alloy ASTM A242, A193 B5, B7.
Options:
A193 B8 304 stainless steel or 316 stainless steel.
Gaskets:
Nitrile Butadiene Rubber (NBR, Buna-N) per ASTM D2000. Molded virgin rubber. Gasket temperature range -40 o F to 212 o F (-40 o C - 100 o C) Recommended for water, salt solutions, mild acids, bases, sewage and natural gas.
Options:
EPDM
Finish:
Heavy coat of corrosion resistant shop coat primer.
Options:
Fusion Epoxy Coating available.
www.jcmindustrialfittings.com
Effective 04.25.14
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