4 colors choice: Red ,Orange ,Blue ,Galvanized Of Rigid Coupling
ductile iron rigid coupling /fire fitting coupling / grooved fittings
1.FM UL approved of All Grooved Coupling
2.Size:1-12" for all grooved fitting
3.Grooved Coupling Material:ductile iron
ASTM-A536 Grade 65-45-12
4.Grooved Coupling Surface :painting,epoxy,hot dip galvanzed
5.Gasket for Grooved Coupling :
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 ...
PACKING
KINGMETAL STEEL INDUSTRY CO.,LTD ,is a professional company in manufacturing and saling steel pipes and pipe fittings
( tee, elbow ,reducer ,flanges). we are an old company in this area ,we start from
1989 and have rich exporting experience
Cooperating with us you will feel easy and safe !