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METAL COLLAR
Complete quality control conform to ISO9001 system in each manufacture detail to ensure DS SML cast iron pipe  coupling quality to Enropean standard EN877, DIN19522.
Size: DN40-200
Stainless steel SUS304, SUS316L

BOLT AND SCREW

Material: Galvanized steel , Stainless steel
Screw size: M6 , M8
Torque: DN50-80:  6-8Nm, DN100-200: 10-12Nm

FACILITY

Founded in 2007, our facoty has been equiped with domestic famous facility and skillful workers to response the quick market and enviromental requirement.

RUBBER GASKET

Gasket: EPDM, NBR,
Axial pressure: 0.5bar.
OEM is welcome service