Material Specification
JCM 303 Fabricated Flanged Coupling Adapter
Middle Ring: ASTM A-36
Followers: Sizes 3” through 12” Ductile Iron ASTM A -536 Followers : Sizes 14” and Larger ASTM A -36
Standard Flange: ASME/ANSI B16.1 Class 125 Compatible Steel Ring Flange
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. Others available upon request.
Optional Flanges - Other Flanges Available Upon Request ASME/ANSI B16.5 Class 150, 300
Weld Neck, Blind, Slip-on, Reducing, Threaded, Socket Weld, Lap Joint, Angle Face, Van Stone Concentric and Eccentric Flanges
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Effective 04.25.14
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