Sealing ring
Reinforced rubber ring for the flanged joints of rubber-lined pipes.
Rubber · Steel reinforcement
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SealsCouplings & seals
Pipeline coupling (C)
The coupling joins corrugated pipelines and individual elements of the pipeline system when conveying processing products.
Product information
Split coupling made of two or four half-couplings tightened with bolts. Used to join FH coupled pipelines; the joint is sealed by a sealing ring.
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Advantages
- Joins pipelines and individual system elements
- Bolted installation
Technical specifications
Products can also be manufactured to the customer's drawings and technical requirements, including larger diameters.
| Pipeline diameter | 50–610mm |
|---|---|
| Working pressure | 1.0MPa |
| Half-couplings | 2 (DN 50–325) / 4 (DN 351–610)pcs |
| Weight without bolts and nuts | 1.3–122.2kg |
Products can be made to the customer's drawings and technical requirements, including larger diameters, based on the specific operating conditions.
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Send us the diameter, operating conditions and timeline — we will reply with an engineering review and an indicative price.
Size tables
Data from the 2025 factory catalogue. All dimensions in mm. Products can be manufactured to the customer's drawings and technical requirements, including larger diameters, based on the specific operating conditions.
Coupling — main characteristics
| Designation | Pipeline diameter, mm | D (flange), mm | D1, mm | D2, mm | L (height), mm | h (flange), mm | Slot a×b, mm | Half-couplings, pcs | Slots per half, pcs | Holes in mating flange, pcs | Weight w/o bolts and nuts, kg | Working pressure, MPa |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| C50 | 50 | 160 | 123 | 134 | 100 | 15 | 18x23.5 | 2 | 2 | 4 | 1.3 | 1.0 |
| C65 | 65 | 185 | 145 | 150 | 120 | 20 | 18x20.5 | 2 | 2 | 4 | 2.4 | 1.0 |
| C76 | 76 | 198 | 156 | 164 | 125 | 20 | 18x22 | 2 | 2 | 8 | 2.9 | 1.0 |
| C102 | 102 | 220 | 180 | 190 | 125 | 20 | 18x23 | 2 | 3 | 8 | 3.3 | 1.0 |
| C114 | 114 | 285 | 210 | 240 | 125 | 25 | 18x33 | 2 | 3 | 8 | 5.9 | 1.0 |
| C133 | 133 | 290 | 210 | 240 | 150 | 25 | 18x33 | 2 | 3 | 8 | 5.7 | 1.0 |
| C152 | 152 | 290 | 240 | 250 | 185 | 25 | 22x27 | 2 | 3 | 8 | 7.1 | 1.0 |
| C159 | 159 | 290 | 240 | 250 | 185 | 25 | 22x27 | 2 | 3 | 8 | 6.2 | 1.0 |
| C170 | 170 | 315 | 256 | 270 | 185 | 25 | 22x29 | 2 | 3 | 8 | 6.9 | 1.0 |
| C200 | 200 | 340 | 287 | 303 | 185 | 25 | 22x30 | 2 | 4 | 8 | 6.6 | 1.0 |
| C219 | 219 | 385 | 325 | 340 | 200 | 25 | 22x29.5 | 2 | 4 | 8 | 10.4 | 1.0 |
| C245 | 245 | 405 | 350 | 360 | 200 | 25 | 22x27 | 2 | 5 | 12 | 11.3 | 1.0 |
| C273 | 273 | 430 | 370 | 385 | 200 | 25 | 22x29.5 | 2 | 5 | 12 | 11.8 | 1.0 |
| C300 | 300 | 476 | 400 | 430 | 210 | 25 | 22x37 | 2 | 5 | 12 | 13.6 | 1.0 |
| C325 | 325 | 500 | 448 | 462 | 210 | 25 | 22x29 | 2 | 7 | 16 | 14.9 | 1.0 |
| C351 | 351 | 530 | 455 | 490 | 300 | 30 | 22x39.5 | 4 | 3 | 16 | 25.5 | 1.0 |
| C377 | 377 | 575 | 490 | 525 | 300 | 30 | 27x44.5 | 4 | 3 | 16 | 29.1 | 1.0 |
| C402 | 402 | 600 | 515 | 550 | 300 | 30 | 27x44.5 | 4 | 3 | 16 | 29.8 | 1.0 |
| C426 | 426 | 650 | 560 | 585 | 350 | 40 | 27x39.5 | 4 | 4 | 20 | 50.0 | 1.0 |
| C457 | 457 | 690 | 600 | 635 | 375 | 40 | 27x44.5 | 4 | 4 | 20 | 58.0 | 1.0 |
| C508 | 508 | 720 | 638 | 660 | 450 | 40 | 27x38 | 4 | 4 | 20 | 63.0 | 1.0 |
| C530 | 530 | 810 | 700 | 730 | 480 | 50 | 30x45 | 4 | 4 | 20 | 109.0 | 1.0 |
| C610 | 610 | 830 | 750 | 785 | 550 | 50 | 30x47.5 | 4 | 4 | 20 | 122.2 | 1.0 |
Products can be made to the customer's drawings and technical requirements, including larger diameters, based on the specific operating conditions.
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