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Specifications
1) Reducing installation costs2) Flexibility and rigidity
3) Joint reliability
4) Isolate noise and vibration
KRJ Coupling
Rolling groove becomes much more difficult when the pipe diameter is above 8" (219mm). And it becomes very hard to withstand higer pressure when the piping system requires a thickness that is above 10mm therefore will be unavailable to roll grooves by grooving machine. In the plant site, cutting groove won't be adopted. In order to solve this problem, the KRJ coupling as presented is used by welding the shoulder rings on the pipe end, then joint two pipes by this Shoulder Coupling.
According to the environment the products are used in, the surface treatment can be epoxy powder coating, hot galvanized, painting and dacromat.
Usage:
1)Automatic sprinkler system for fire protection on commercial ,civil and municipal constructions like water supplying ,gas supplying, heat supplying,etc
2)Industrial pipeline system on shipping ,mine, oil field,textile,powder plant,etc.
3)Pipeline system on subway station ,railway station ,airport, seaport,bridge,etc
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