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BendsRubber-lined elastic pipe section (expansion joint with side ports)
Elastic pipe section with flanges on both ends and an internal rubber lining. The body has two side ports.
Number of flanges · 2
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BendsBends
Long-radius rubber bend
Flanged long-radius rubber bend for smoothly changing the direction of slurry and other abrasive flows.
Product information
Used at complex sections of a pipeline system to change the direction of abrasive flow smoothly. Abrasion resistance, minimal flow resistance and an enlarged bend radius give a long service life. The long-radius design reduces flow turbulence and minimises impact loads on the inner surface of the bend.
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Advantages
- Resists abrasive wear
- Minimal flow resistance
- Less turbulence and fewer impact loads on the inner surface
Construction
- 1Outer coverWeather- and abrasion-resistant rubber showing the cord winding. About 8 mm thick.
- 2Reinforcing cordSeveral plies (2–4) of textile cord hold the pressure and the shape of the bend.
- 3Inner liningWear-resistant rubber in contact with the abrasive medium. About 11 mm thick.
- 4Sealing beadsThe inner lining carried over the ends (Ø 214 mm), acting as a gasket.
- 5FlangesHot-dip galvanised steel, connection to GOST 33259: 8 holes Ø 26 on a Ø 240 circle.
Flange connection types
- “01” — embedded flangeThe flange is built into the bend body.
- “02” — rotating flangeThe flange turns freely, making bolt-hole alignment easier.
- “03” — rotating and embeddedTwo flange types can be fitted on one bend for easier installation. Connection dimensions to the customer's wishes.
- Inner working chamber rubberTwo standard versions depending on the particle size of the conveyed material: “01” for slurries up to 2.0 mm, “02” up to 10 mm.
Technical specifications
Products can also be manufactured to the customer's drawings and technical requirements, including larger diameters.
| Inner diameter | 50–610mm |
|---|---|
| A×B | 290–1895mm |
| Wear-resistant layer thickness | 5–15mm |
| Working pressure | 1.0MPa |
| Vacuum | -0.08MPa |
| Bend radius | 225–1830mm |
| Weight | 14–545kg |
| Bend angles | 90°, 75°, 60°, 45°, 30°; non-standard on request |
| Marking | FBF-200.01.01.90 |
Parts and materials
- 1Outer cover — Rubber
- 2Reinforcing cord — Textile cord
- 3Inner lining — Wear-resistant rubber
- 4Sealing beads — Rubber
- 5Flanges — Steel, hot-dip galvanised
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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.
Long-radius bend with embedded flange (FBF)
| Designation | Inner diameter d, mm | A, mm | B, mm | Layer, mm | Working pressure, MPa | Vacuum, MPa | R, mm | Bend weight, kg | Connection size D1, mm | Hole d1, mm | n, pcs |
|---|---|---|---|---|---|---|---|---|---|---|---|
| FBF-050.00.00.00 | 50 | 290 | 290 | 5 | 1.0 | -0.08 | 225 | 14 | 125 | 18 | 4 |
| FBF-065.00.00.00 | 65 | 290 | 290 | 6 | 1.0 | -0.08 | 225 | 15 | 145 | 18 | 8 |
| FBF-076.00.00.00 | 76 | 290 | 290 | 6 | 1.0 | -0.08 | 225 | 18 | 160 | 18 | 8 |
| FBF-102.00.00.00 | 102 | 370 | 370 | 6 | 1.0 | -0.08 | 305 | 27 | 180 | 18 | 8 |
| FBF-114.00.00.00 | 114 | 405 | 405 | 6 | 1.0 | -0.08 | 340 | 29 | 240 | 18 | 8 |
| FBF-133.00.00.00 | 133 | 465 | 465 | 6 | 1.0 | -0.08 | 400 | 31 | 240 | 22 | 8 |
| FBF-152.00.00.00 | 152 | 515 | 515 | 6 | 1.0 | -0.08 | 450 | 40 | 240 | 22 | 8 |
| FBF-159.00.00.00 | 159 | 545 | 545 | 6 | 1.0 | -0.08 | 480 | 42 | 250 | 22 | 8 |
| FBF-170.00.00.00 | 170 | 575 | 575 | 7 | 1.0 | -0.08 | 510 | 50 | 270 | 22 | 8 |
| FBF-200.00.00.00 | 200 | 665 | 665 | 7 | 1.0 | -0.08 | 600 | 66 | 295 | 22 | 8 |
| FBF-219.00.00.00 | 219 | 725 | 725 | 7 | 1.0 | -0.08 | 660 | 76 | 325 | 22 | 8 |
| FBF-245.00.00.00 | 245 | 815 | 815 | 7 | 1.0 | -0.08 | 750 | 85 | 350 | 22 | 12 |
| FBF-273.00.00.00 | 273 | 885 | 885 | 7 | 1.0 | -0.08 | 820 | 105 | 375 | 22 | 12 |
| FBF-300.00.00.00 | 300 | 965 | 965 | 8 | 1.0 | -0.08 | 900 | 125 | 430 | 22 | 12 |
| FBF-325.00.00.00 | 325 | 1040 | 1040 | 8 | 1.0 | -0.08 | 975 | 154 | 450 | 22 | 16 |
| FBF-351.00.00.00 | 351 | 1115 | 1115 | 8 | 1.0 | -0.08 | 1050 | 160 | 470 | 22 | 16 |
| FBF-377.00.00.00 | 377 | 1195 | 1195 | 8 | 1.0 | -0.08 | 1130 | 190 | 515 | 26 | 16 |
| FBF-402.00.00.00 | 402 | 1265 | 1265 | 12 | 1.0 | -0.08 | 1200 | 220 | 550 | 26 | 16 |
| FBF-426.00.00.00 | 426 | 1345 | 1345 | 12 | 1.0 | -0.08 | 1280 | 281 | 585 | 26 | 20 |
| FBF-457.00.00.00 | 457 | 1435 | 1435 | 12 | 1.0 | -0.08 | 1370 | 345 | 630 | 26 | 20 |
| FBF-508.00.00.00 | 508 | 1615 | 1615 | 12 | 1.0 | -0.08 | 1520 | 425 | 660 | 26 | 20 |
| FBF-530.00.00.00 | 530 | 1655 | 1655 | 12 | 1.0 | -0.08 | 1590 | 465 | 710 | 30 | 20 |
| FBF-610.00.00.00 | 610 | 1895 | 1895 | 15 | 1.0 | -0.08 | 1830 | 520 | 760 | 30 | 20 |
Products can be made to the customer's drawings and technical requirements, including larger diameters, based on the specific operating conditions.
Long-radius bend with rotating flange (FBF)
| Designation | Inner diameter d, mm | A, mm | B, mm | Layer, mm | Working pressure, MPa | Vacuum, MPa | R, mm | Bend weight, kg | Connection size D1, mm | Hole d1, mm | n, pcs |
|---|---|---|---|---|---|---|---|---|---|---|---|
| FBF-050.00.00.00 | 50 | 290 | 290 | 5 | 1.0 | -0.08 | 225 | 14 | 160 | 18 | 4 |
| FBF-065.00.00.00 | 65 | 290 | 290 | 6 | 1.0 | -0.08 | 225 | 15 | 180 | 18 | 8 |
| FBF-076.00.00.00 | 76 | 290 | 290 | 6 | 1.0 | -0.08 | 225 | 18 | 180 | 18 | 8 |
| FBF-102.00.00.00 | 102 | 370 | 370 | 6 | 1.0 | -0.08 | 305 | 28 | 210 | 18 | 8 |
| FBF-114.00.00.00 | 114 | 405 | 405 | 6 | 1.0 | -0.08 | 340 | 30 | 240 | 18 | 8 |
| FBF-133.00.00.00 | 133 | 465 | 465 | 6 | 1.0 | -0.08 | 400 | 32 | 250 | 22 | 8 |
| FBF-152.00.00.00 | 152 | 515 | 515 | 6 | 1.0 | -0.08 | 450 | 43 | 270 | 22 | 8 |
| FBF-159.00.00.00 | 159 | 545 | 545 | 6 | 1.0 | -0.08 | 480 | 45 | 275 | 22 | 8 |
| FBF-170.00.00.00 | 170 | 575 | 575 | 7 | 1.0 | -0.08 | 510 | 55 | 295 | 22 | 8 |
| FBF-200.00.00.00 | 200 | 665 | 665 | 7 | 1.0 | -0.08 | 600 | 70 | 325 | 22 | 8 |
| FBF-219.00.00.00 | 219 | 725 | 725 | 7 | 1.0 | -0.08 | 660 | 80 | 350 | 22 | 8 |
| FBF-245.00.00.00 | 245 | 815 | 815 | 7 | 1.0 | -0.08 | 750 | 90 | 375 | 22 | 12 |
| FBF-273.00.00.00 | 273 | 885 | 885 | 7 | 1.0 | -0.08 | 820 | 110 | 405 | 22 | 12 |
| FBF-300.00.00.00 | 300 | 965 | 965 | 8 | 1.0 | -0.08 | 900 | 135 | 450 | 22 | 12 |
| FBF-325.00.00.00 | 325 | 1040 | 1040 | 8 | 1.0 | -0.08 | 975 | 166 | 470 | 22 | 16 |
| FBF-351.00.00.00 | 351 | 1115 | 1115 | 8 | 1.0 | -0.08 | 1050 | 176 | 495 | 22 | 16 |
| FBF-377.00.00.00 | 377 | 1195 | 1195 | 8 | 1.0 | -0.08 | 1130 | 210 | 530 | 26 | 16 |
| FBF-402.00.00.00 | 402 | 1265 | 1265 | 12 | 1.0 | -0.08 | 1200 | 240 | 575 | 26 | 16 |
| FBF-426.00.00.00 | 426 | 1345 | 1345 | 12 | 1.0 | -0.08 | 1280 | 305 | 600 | 26 | 20 |
| FBF-457.00.00.00 | 457 | 1435 | 1435 | 12 | 1.0 | -0.08 | 1370 | 373 | 630 | 26 | 20 |
| FBF-508.00.00.00 | 508 | 1615 | 1615 | 12 | 1.0 | -0.08 | 1520 | 445 | 690 | 26 | 20 |
| FBF-530.00.00.00 | 530 | 1655 | 1655 | 12 | 1.0 | -0.08 | 1590 | 490 | 710 | 30 | 20 |
| FBF-610.00.00.00 | 610 | 1895 | 1895 | 15 | 1.0 | -0.08 | 1830 | 545 | 820 | 30 | 20 |
Products can be made to the customer's drawings and technical requirements, including larger diameters, based on the specific operating conditions.