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STAINLESS STEEL UNIVERSAL COUPLING
Universal coupling is also called wide range coupling, tolerance range coupling .
It can fit most standard pipe materials and therefore dramatically reduces the stocks of dedicated couplings
It is suitable for steel , GRP, PVC, PE, Ductile Iron , Cast Iron and Asbestors Cement pipes.
Size from DN40-DN600
PN10, PN16, PN25. Flange according to ISO2531/ EN545,/EN1092
Body
| Stainless Steel 316 |
Gland
| Ductile Iron GGG50/40 |
Gasket
| EPDM according to EN681-1 |
Bolt &Nut
| Galvanized carbon steel / hot dip galvanized steel/dacromet coating steel 4.8/8.8 grade / stainless steel |
Coating
| Fusion boned epoxy more than 250 micron/ Rilsan Nylon |




1. Mechanical and Chemical Test


2. Pressure Test
Test pressure shoud be more than 1.5 times than the working pressure level.


3. Visual Test
The suface of product should be smooth, no pores, no bears.
The thinkness of coating should be more than 250 micron.



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