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GROOVED FLEXIBLE COUPLINGS
DUPLEX STAINLESS STEEL COUPLINGS
Duplex or Superduplex stainless steel type CE8MN (UNS # J93345) conform to ASTM A995, Grade 2A requirements. Piedmont also offers this coupling in superduplex type CE3MN (UNS # J93404) conform to ASTM A995, Grade 5A requirements for higher resistance to corrosion.
316 STAINLESS STEEL COUPLINGS
Solid 316 stainless steel* Grade CF8M (UNS # J92900), conform to ASTM A351, A743 & A 744.
COMPOSITE COUPLINGS
Plastic composite resin*, UV resistant, non-water absorptive. Completely corrosion resistant.
DUCTILE IRON COUPLINGS
Painted ductile iron conform to ASTM A536, Gr. 65-45-12. Color: RAL3000.
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