Pipe Joints
Pipe joints are pipeline connection components designed to join, seal, repair, or adapt pipe sections in different piping systems. They are used to create secure connections between pipes, fittings, valves, and other pipeline accessories while helping maintain stable sealing performance and reliable pressure resistance.Pipe joints are available in various materials, sizes, structures, and connection types to suit different pipe diameters and working conditions. Common options include flexible joints, dismantling joints, flange adaptors, couplings, repair clamps, and transition joints. With practical design and strong compatibility, pipe joints help make pipeline installation, maintenance, and replacement more efficient.
- Place of Origin: China
- Inventory: In Stock
- Type: Pipe Joints
- Material: Ductile Iron
- Price: Negotiation
- Delivery: 7-10 Days Depending on The Total Quantity
- Connection Type: flange connection
- Payment: L/C, T/T, Alipay, Moneygram and Western Union
Universal Coupling
Universal coupling is used to connect plain-end pipes in water supply, drainage, and industrial pipeline systems. It is suitable for pipes with different outside diameters and can help simplify installation, repair, and pipeline maintenance. With flexible sealing structure and strong mechanical performance, universal couplings provide a reliable connection solution for ductile iron, steel, PVC, PE, and other pipe materials.
| No. | Reference | Material | Reference |
|---|---|---|---|
| 1 | Sleeve | Steel / Ductile Iron | Sleeve |
| 2 | End Ring | Ductile Iron | End Ring |
| 3 | Bolts And Nuts | Carbon Steel 4.8 | Bolts And Nuts |
| 4 | Gasket | EPDM / NBR | Gasket |
| 5 | Coating | FBE | Coating |
Universal Coupling Technical Specifications
| Size mm | Range mm | Bolt | A mm | L mm | |
|---|---|---|---|---|---|
| L | QTY | ||||
| DN40 | 48-60 | M12×170 | 2 | 150 | 98 |
| DN50 | 59-72 | M12×170 | 2-4 | 156 | 98 |
| DN65 | 72-85 | M12×170 | 2-4 | 174 | 98 |
| DN80 | 88-103 | M12×180 | 4 | 185 | 98 |
| DN100 | 96-116 | M12×180 | 4 | 205 | 98 |
| DN100 | 108-120 | M12×190 | 4 | 210 | 98 |
| DN100 | 105-125 | M12×190 | 4 | 210 | 98 |
| DN100 | 109-128 | M12×180 | 4 | 218 | 98 |
| DN125 | 132-146 | M12×180 | 4 | 240 | 98 |
| DN125 | 138-153 | M12×180 | 4 | 246 | 98 |
| DN150 | 158-172 | M12×200 | 4 | 275 | 105 |
| DN150 | 155-175 | M12×200 | 4 | 275 | 105 |
| DN150 | 159-182 | M12×200 | 4 | 280 | 110 |
| DN175 | 192-210 | M12×210 | 4 | 312 | 130 |
| DN200 | 198-225 | M12×210 | 4 | 320 | 130 |
| DN200 | 218-235 | M12×220 | 4-6 | 328 | 130 |
| DN225 | 242-262 | M12×220 | 6 | 360 | 130 |
| DN250 | 250-267 | M12×220 | 6 | 368 | 130 |
| DN250 | 250-274 | M12×220 | 6 | 370 | 130 |
| DN250 | 272-289 | M12×220 | 6 | 382 | 130 |
| DN300 | 315-332 | M12×220 | 6 | 430 | 130 |
| DN300 | 322-339 | M12×220 | 6 | 435 | 130 |
| DN350 | 340-360 | M12×220 | 6-8 | 455 | 130 |
| DN350 | 351-378 | M14×230 | 8 | 510 | 130 |
| DN350 | 374-391 | M14×230 | 8 | 520 | 130 |
| DN400 | 390-410 | M14×220 | 8 | 530 | 130 |
| DN400 | 398-430 | M14×270 | 8 | 560 | 140 |
| DN400 | 417-437 | M14×240 | 8 | 555 | 130 |
| DN400 | 425-442 | M14×240 | 8 | 560 | 130 |
| DN450 | 450-463 | M14×270 | 8 | 585 | 130 |
| DN450 | 455-475 | M14×270 | 10 | 600 | 130 |
| DN450 | 476-500 | M14×270 | 10 | 620 | 130 |
| DN500 | 500-508 | M16×270 | 10 | 620 | 130 |
| DN500 | 500-533 | M14×280 | 10 | 680 | 140 |
| DN500 | 526-546 | M14×270 | 10 | 663 | 130 |
| DN600 | 600-630 | M14×270 | 10 | 725 | 130 |
| DN600 | 608-636 | M14×270 | 10 | 740 | 130 |
| DN600 | 630-650 | M14×270 | 10 | 745 | 130 |
| DN700 | 710-739 | M16×280 | 12 | 875 | 155 |
| DN800 | 816-842 | M16×330 | 12 | 986 | 180 |
Universal Flange Adaptor
Universal flange adaptor is designed to connect plain-end pipes with flanged valves, fittings, pumps, meters, and other pipeline equipment. Its wide tolerance design fits different pipe outside diameters and materials, including ductile iron, steel, PVC, and PE. With reliable sealing, a ductile iron body, and anti-corrosion coating, it provides a secure and durable pipe-to-flange connection for water supply, drainage, municipal, irrigation, and industrial pipeline systems.
| No. | Reference | Material | Standard |
|---|---|---|---|
| 1 | BodyEnd | Ductile Iron | EN1563 |
| 2 | RingBolt | Ductile Iron | EN1563 |
| 3 | And Nut | Carbon Steel 4.8 | ISO 898-1 |
| 4 | Gasket | EPDM/NBR | EN681-1 |
| 5 | Coating | FBE | EN14901 |
Universal Flange Technical Specifications
| Pipe | Range | Pressure | Bolt | D | D2 | L | |
|---|---|---|---|---|---|---|---|
| Flange | mm | Flange | L | No. | mm | mm | mm |
| DN40 | 48-60 | PN10/16 | M12×130 | 2 | 150 | 150 | 80 |
| DN50 | 59-72 | PN10/16 | M12×130 | 2 | 156 | 165 | 80 |
| DN65 | 72-85 | PN10/16 | M12×130 | 2 | 174 | 190 | 80 |
| DN80 | 88-103 | PN10/16 | M12×130 | 4 | 185 | 200 | 80 |
| DN100 | 96-116 | PN10/16 | M12×130 | 4 | 205 | 220 | 80 |
| DN100 | 108-120 | PN10/16 | M12×130 | 4 | 210 | 220 | 80 |
| DN100 | 105-125 | PN10/16 | M12×130 | 4 | 210 | 220 | 80 |
| DN100 | 109-128 | PN10/16 | M12×130 | 4 | 218 | 220 | 80 |
| DN125 | 132-146 | PN10/16 | M12×140 | 4 | 240 | 250 | 80 |
| DN125 | 138-153 | PN10/16 | M12×140 | 4 | 246 | 250 | 80 |
| DN150 | 158-172 | PN10/16 | M12×140 | 4 | 275 | 285 | 80 |
| DN150 | 155-175 | PN10/16 | M12×140 | 4 | 275 | 285 | 80 |
| DN150 | 159-182 | PN10/16 | M12×140 | 4 | 280 | 285 | 80 |
| DN175 | 192-210 | PN10/16 | M12×140 | 4 | 312 | 340 | 80 |
| DN200 | 192-210 | PN10/16 | M12×140 | 4 | 312 | 340 | 80 |
| DN200 | 198-225 | PN10/16 | M12×140 | 4 | 320 | 340 | 80 |
| DN200 | 218-235 | PN10/16 | M12×140 | 4 | 328 | 340 | 80 |
| DN250 | 242-262 | PN10/16 | M12×140 | 6 | 360 | 400 | 85 |
| DN250 | 250-267 | PN10/16 | M12×140 | 6 | 368 | 400 | 85 |
| DN250 | 250-274 | PN10/16 | M12×150 | 6 | 370 | 400 | 85 |
| DN250 | 272-289 | PN10/16 | M12×150 | 6 | 382 | 400 | 85 |
| DN300 | 315-332 | PN10/16 | M12×150 | 6 | 430 | 455 | 85 |
| DN300 | 322-339 | PN10/16 | M12×150 | 6 | 435 | 455 | 85 |
| DN300 | 340-360 | PN16 | M12×170 | 6 | 455 | 455 | 85 |
| DN350 | 340-360 | PN10/16 | M14×190 | 8 | 455 | 520 | 115 |
| DN350 | 351-378 | PN10/16 | M14×170 | 8 | 510 | 520 | 108 |
| DN350 | 374-391 | PN10/16 | M14×180 | 8 | 520 | 520 | 108 |
| DN400 | 390-410 | PN10/16 | M14×150 | 8 | 530 | 580 | 108 |
| DN400 | 398-430 | PN10/16 | M14×210 | 8 | 560 | 580 | 108 |
| DN400 | 417-437 | PN10/16 | M14×180 | 8 | 555 | 580 | 108 |
| DN400 | 425-442 | PN10/16 | M14×180 | 8 | 560 | 580 | 108 |
| DN400 | 450-463 | PN16 | M14×180 | 8 | 585 | 580 | 108 |
| DN450 | 455-475 | PN10/16 | M14×180 | 10 | 600 | 640 | 108 |
| DN450 | 476-500 | PN10/16 | M14×180 | 10 | 620 | 640 | 108 |
| DN500 | 500-508 | PN10/16 | M14×180 | 10 | 620 | 715 | 114 |
| DN500 | 500-533 | PN10/16 | M14×210 | 10 | 680 | 715 | 124 |
| DN500 | 526-546 | PN10/16 | M14×180 | 10 | 663 | 715 | 114 |
| DN600 | 600-630 | PN10/16 | M14×180 | 10 | 725 | 840 | 114 |
| DN600 | 608-636 | PN10/16 | M14×200 | 10 | 740 | 840 | 130 |
| DN600 | 630-650 | PN10/16 | M14×180 | 10 | 745 | 840 | 118 |
| DN700 | 710-739 | PN10/16 | M16×180 | 12 | 875 | 910 | 114 |
| DN800 | 816-842 | PN10/16 | M16×230 | 12 | 986 | 1025 | 128 |
Large Diameter Flange Adaptor
Universal flange adaptor is designed to connect plain-end pipes with flanged valves, fittings, pumps, meters, and other pipeline equipment. Its wide tolerance design fits different pipe outside diameters and materials, including ductile iron, steel, PVC, and PE. With reliable sealing, a ductile iron body, and anti-corrosion coating, it provides a secure and durable pipe-to-flange connection for water supply, drainage, municipal, irrigation, and industrial pipeline systems.
| No. | Part Name | Material |
|---|---|---|
| 1 | Body | Ductile Iron |
| 2 | Pipe | Ductile Iron |
| 3 | End Ring | Ductile Iron |
| 4 | Gasket | EPDM/NBR |
| 5 | Bolts | Steel Zinced/Dacro |
Large Diameter Flange Adaptor Technical Specifications
| DN | D2 | D3 | D4 | D5 | D0 | L | T | A | B | ΦE | N | M | N |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 80 | 98 | 132 | 160 | 200 | 166 | 73 | 7.0 | 3 | 16.0 | 19 | 8 | M12 | 4 |
| 100 | 118 | 156 | 180 | 220 | 187 | 76 | 7.5 | 3 | 16.0 | 19 | 8 | M12 | 4 |
| 125 | 144 | 184 | 210 | 250 | 210 | 76 | 7.5 | 3 | 16.0 | 19 | 8 | M12 | 4 |
| 150 | 170 | 211 | 240 | 285 | 240 | 76 | 8.0 | 3 | 16.0 | 23 | 8 | M12 | 4 |
| 200 | 222 | 266 | 295 | 340 | 295 | 76 | 8.5 | 3 | 17.0 | 23 | 12 | M12 | 6 |
| 250 | 274 | 319 | 355 | 400 | 355 | 90 | 9.0 | 3 | 19.0 | 28 | 12 | M12 | 6 |
| 300 | 326 | 370 | 410 | 455 | 410 | 90 | 10.0 | 4 | 20.5 | 28 | 12 | M12 | 6 |
| 350 | 378 | 429 | 470 | 520 | 470 | 110 | 10.5 | 4 | 22.5 | 28 | 16 | M16 | 8 |
| 400 | 429 | 480 | 525 | 580 | 525 | 110 | 11.0 | 4 | 24.0 | 31 | 16 | M16 | 8 |
| 450 | 480 | 544 | 585 | 640 | 585 | 110 | 11.5 | 4 | 26.0 | 31 | 20 | M16 | 10 |
| 500 | 532 | 609 | 650 | 715 | 650 | 115 | 12.0 | 4 | 27.5 | 34 | 20 | M16 | 10 |
| 600 | 635 | 720 | 770 | 840 | 770 | 115 | 13.5 | 5 | 31.0 | 37 | 20 | M16 | 10 |
| 700 | 738 | 794 | 840 | 910 | 840 | 115 | 14.5 | 5 | 34.5 | 37 | 24 | M16 | 12 |
| 800 | 842 | 901 | 950 | 1025 | 950 | 115 | 16.0 | 5 | 38.0 | 40 | 24 | M16 | 12 |
| 900 | 945 | 1001 | 1050 | 1125 | 1050 | 115 | 17.0 | 5 | 41.5 | 40 | 28 | M16 | 14 |
| 1000 | 1048 | 1112 | 1170 | 1255 | 1170 | 115 | 18.0 | 5 | 45.0 | 43 | 28 | M16 | 14 |
| 1100 | 1152 | 1215 | 1270 | 1355 | 1270 | 130 | 19.5 | 5 | 48.5 | 43 | 32 | M16 | 16 |
| 1200 | 1255 | 1328 | 1390 | 1485 | 1390 | 130 | 20.5 | 5 | 52.0 | 49 | 32 | M16 | 16 |
| 1400 | 1462 | 1530 | 1590 | 1685 | 1590 | 130 | 23.0 | 5 | 55.0 | 49 | 36 | M16 | 18 |
| 1500 | 1565 | 1640 | 1710 | 1820 | 1710 | 130 | 24.0 | 5 | 57.5 | 56 | 36 | M16 | 18 |
| 1600 | 1668 | 1750 | 1820 | 1930 | 1820 | 190 | 25.5 | 5 | 60.0 | 56 | 40 | M16 | 20 |
| 1800 | 1875 | 1950 | 2020 | 2130 | 2020 | 190 | 28.0 | 5 | 65.0 | 56 | 44 | M20 | 22 |
| 2000 | 2082 | 2150 | 2230 | 2345 | 2230 | 190 | 30.0 | 5 | 70.0 | 62 | 48 | M20 | 24 |
Pipe Joints Advantages
- Strong Sealing Performance – High-quality gasket structure helps reduce leakage risks and maintain stable pipeline operation.
- Wide Pipe Compatibility – Suitable for ductile iron, steel, PVC, PE, HDPE, and other common pipeline materials.
- Easy Installation – Practical structure allows quick assembly, reducing installation time and labor requirements on site.
- Flexible Repair Solution – Ideal for pipeline repair, extension, replacement, and connection adjustment in existing systems.
- Durable for Long-Term Use – Strong body material, corrosion-resistant coating, and reliable bolts support long service life .
- Reliable Pipe Connection– Creates secure, stable connections between pipes, fittings, valves, and pipeline equipment.
Certificate
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