SR. No. | Description | Specification |
---|---|---|
1 | COUPLING HOUSING | Spheroidal Grey Cast Iron conforming to specification ASTM A536 65-45-12 or equivalent.90 |
2 | BOLTS | Steel to specification BS:970:080:M40 ASTM A193 Gr B The Bolts conforms to property class 6 IS 1367 |
3 | NUTS | IS 1367 Class VI or ASTM A 197 211 or equivalent. |
4 | SHOULDERS/ COLLARS | Mild Steel to specification IS 2062: 2011 E250 BR or ASTM A30 |
5 | GASKETS | Gasket selection depends on the end service for which these are used. In different services different type of polymers are used. We provides all couplings with their standard gaskets in Silicone Rubber with a shore hardness of 58 - 62°A |
SR. No. | Description | Specification |
---|---|---|
1 | Specification | Mild Steel to specification IS 2062:2011 E250BR |
2 | END OF FLANGES (FOLLOWER RING) | SG Iron Castings to specification ASTM A536 65-45-12 No. off 2 per coupling |
3 | SCREWS (M30 X 86) | BS 970:709:M40(EN19) No. off - depends on size of pipe. |
4 | NUTS-M30 | BS:970:080:M40(EN8) No. off as per the no. of screws |
5 | CHECK NUTS M30 | BS:970:080:M40(EN8) No. off as per the no. of nuts |
6 | CONNECTING BOLT M16 X 390 | BS:970:080:M40(EN19) No. off - Depends on size of pipe |
7 | CONNECTING BOLT NUT M16 | No. of as per the no. of Bolts |
8 | MS PLATE WASHER | M16 Double the quantity of nuts. Size as per the required pipe size. |
9 | GASKETS | Material Silicone Rubber Shore-68-70°A No. off-2 nos/coupling |