4 COLORS AVAILABLE: RED, BLUE , GALVANIZED ,ORANGE .ductile iron Flexible coupling /fire fighting /grooved fittings1.FM UL approved2.Size:Standard grooved specifications: according to VICTAULIC ( 1-12" )3.Material:ductile ironASTM-A536 Grade 65-45-124.Surface :painting,epoxy,hot dip galvanzed5.Gasket :EDPM ,tempersture Range :(-34—-+110ºC)
SILICON ,tempersture Range :(-40—-+177ºC)
NITRILE,tempersture Range :(-29—-+82ºC)6.Thread :BSPT or NPT7.Painting /Epoxy RAL 30008.Bolts and Nuts: ISO 898-1class 8.8
Ductile Iron Rigid Coupling /flexible pipe coupling / fire fightingflexible coupling /quick release couplingProduct showDIMENSION WHAT WE DO ?