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Backing rings
Material: Ductile iron, carbon steel, stainless steel
Coatings: Antirust paint, epoxy paint, hot dipped galvanized, fusion bounded epoxy resin, Dacromet coating
Flange drilling: ANSI 150# / DIN/EN PN10
Pressure: SDR7, SDR11
Size: 1" to 48"
Nodular cast iron ring with black epoxy paint:
In view of the problem of the precipitation of alkaline substances in the lining of ordinary cement mortar, strong penetrating epoxy paint, epoxy ceramic paint and water-based epoxy paint were selected as the cover layer materials, and the spraying process test of the cement mortar lining was carried out, and the adhesion of the cover layer was tested. , Hydraulic cycle test and sealing performance test, in order to determine the best process and coating system for the cement mortar lining cover coating of ductile iron pipe.
Due to its many advantages such as good toughness, corrosion resistance and long service life, ductile iron pipes are widely used in water supply, drainage, industrial water and farmland irrigation.
Special organic paint raw materials, easy to use, strong adhesion, not easy to fade, flame resistance, corrosion resistance, etc., no special equipment is required during transportation;
Replace the inner liner and chassis every year for disassembly and repair, which can make the equipment durable, increase the service life, extend the repair cycle, and minimize downtime.
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