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Go to old websiteShort bolt kit with bolt and double washers A2 plus nut A4 treated against galling. Includes flange gasket with steel insert RSG-TW for a tight flange joint.
The bolt kit is used to join flanged joints in pressurised water and wastewater systems, and is a complete kit including bolt, double washers, nut and flange gasket. The short design suits applications where two flanges are drawn together. The bolts are acid-resistant and the nut is treated with Gleitmo 627 to prevent galling during tightening. The bolts comply with ISO 4014/DIN 931 (M6S). The range covers DN 50 to DN 900 with flange drilling PN10 and PN16, and the bolt size varies from M16 to M36 depending on the flange size. The number of bolts and hole pattern follow the flange drilling, for example 8 x M20 for DN 150 and DN 200 PN10. The flange gasket with steel insert RSG-TW is available in EPDM or NBR.
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| Component | Material | Standard | Remark |
|---|---|---|---|
| Bolt | A4 | ISO 4014 / DIN 931 / M6S | Short design |
| Washer | A2 | – | Double washers |
| Nut | A4 | – | Treated with Gleitmo 627 against galling |
| Flange gasket | EPDM/NBR | – | RSG-TW with steel insert |
27 variants
| RSK no. | Itemno. NBR | Description | Flangedrilling | DN | Lmm | L1mm | Bolts | Quote |
|---|---|---|---|---|---|---|---|---|
| 2404514 | BSRF050-16N | Bolt kit DN050 PN10/16, acid-resistant NBR, short | PN10/16 | 50 | 65 | 19 | 4 x M16 | |
| 2404516 | BSRF065-16N | Bolt kit DN065 PN10/16, acid-resistant NBR, short | PN10/16 | 65 | 65 | 19 | 4 x M16 | |
| 2404517 | BSRF080-16N | Bolt kit DN080 PN10/16, acid-resistant NBR, short | PN10/16 | 80 | 65 | 19 | 4 x M16 | |
| 2404518 | BSRF100-16N | Bolt kit DN100 PN10/16, acid-resistant NBR, short | PN10/16 | 100 | 70 | 19 | 8 x M16 | |
| 2404519 | BSRF125-16N | Bolt kit DN125 PN10/16, acid-resistant NBR, short | PN10/16 | 125 | 70 | 19 | 8 x M16 | |
| 2404520 | BSRF150-16N | Bolt kit DN150 PN10/16, acid-resistant NBR, short | PN10/16 | 150 | 80 | 19 | 8 x M20 | |
| 2404521 | BSRF200-10N | Bolt kit DN200 PN10, acid-resistant NBR, short | PN10 | 200 | 80 | 20 | 8 x M20 | |
| 2404522 | BSRF200-16N | Bolt kit DN200 PN16, acid-resistant NBR, short | PN16 | 200 | 80 | 19 | 12 x M20 | |
| 2404524 | BSRF250-10N | Bolt kit DN250 PN10, acid-resistant NBR, short | PN10 | 250 | 90 | 22 | 12 x M20 | |
| 2404525 | BSRF250-16N | Bolt kit DN250 PN16, acid-resistant NBR, short | PN16 | 250 | 90 | 22 | 12 x M24 | |
| 2404526 | BSRF300-10N | Bolt kit DN300 PN10, acid-resistant NBR, short | PN10 | 300 | 90 | 25 | 12 x M20 | |
| 2404527 | BSRF300-16N | Bolt kit DN300 PN16, acid-resistant NBR, short | PN16 | 300 | 90 | 24 | 12 x M24 | |
| 2404528 | BSRF350-10N | Bolt kit DN350 PN10, acid-resistant NBR, short | PN10 | 350 | 90 | 25 | 16 x M20 | |
| 2404529 | BSRF350-16N | Bolt kit DN350 PN16, acid-resistant NBR, short | PN16 | 350 | 90 | 26 | 16 x M24 | |
| 2404530 | BSRF400-10N | Bolt kit DN400 PN10, acid-resistant NBR, short | PN10 | 400 | 100 | 25 | 16 x M24 | |
| 2404531 | BSRF400-16N | Bolt kit DN400 PN16, acid-resistant NBR, short | PN16 | 400 | 110 | 28 | 16 x M27 | |
| 2404532 | BSRF450-10N | Bolt kit DN450 PN10, acid-resistant NBR, short | PN10 | 450 | 100 | 26 | 20 x M24 | |
| 2404534 | BSRF500-10N | Bolt kit DN500 PN10, acid-resistant NBR, short | PN10 | 500 | 100 | 27 | 20 x M24 | |
| 2404535 | BSRF500-16N | Bolt kit DN500 PN16, acid-resistant NBR, short | PN16 | 500 | 120 | 32 | 20 x M30 | |
| 2404536 | BSRF600-10N | Bolt kit DN600 PN10, acid-resistant NBR, short | PN10 | 600 | 110 | 30 | 20 x M27 | |
| 2404537 | BSRF600-16N | Bolt kit DN600 PN16, acid-resistant NBR, short | PN16 | 600 | 140 | 36 | 20 x M33 | |
| 2404538 | BSRF700-10N | Bolt kit DN700 PN10, acid-resistant NBR, short | PN10 | 700 | 120 | 32 | 24 x M27 | |
| 2404539 | BSRF700-16N | Bolt kit DN700 PN16, acid-resistant NBR, short | PN16 | 700 | 150 | 40 | 24 x M33 | |
| 2404540 | BSRF800-10N | Bolt kit DN800 PN10, acid-resistant NBR, short | PN10 | 800 | 120 | 35 | 24 x M30 | |
| 2404541 | BSRF800-16N | Bolt kit DN800 PN16, acid-resistant NBR, short | PN16 | 800 | 160 | 43 | 24 x M36 |
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