4 COLORS AVAILABLE: RED, BLUE , GALVANIZED ,ORANGE .
ductile iron Flexible coupling /fire fighting /grooved fittings
1.FM UL approved 
  
3.Material:ductile iron ASTM-A536 Grade 65-45-12
4.Surface :painting,epoxy,hot dip galvanzed
5.Gasket : EDPM , tempersture Range : (-34----+110ºC)

                  SILICON , tempersture Range : (-40----+177ºC)

                  NITRILE, tempersture Range : (-29----+82ºC)

6.Thread :BSPT or NPT
7.Painting /Epoxy RAL 3000
8.Bolts and Nuts: ISO 898-1class 8.8 
 

Ductile Iron Rigid Coupling / flexible pipe coupling / fire fighting flexible coupling / quick release coupling

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