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
https://jq-pepipe.com/products/pvc-pipe/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 for reliable and flexible pipe connection in HDPE water supply, drainage, irrigation, municipal, and industrial pipeline systems. It allows pipes, valves, pumps, and other flanged components to be connected quickly and securely, while accommodating slight pipe size variations and installation tolerances on site. With a strong body structure, durable sealing system, corrosion-resistant materials, and secure bolt connection, it helps improve installation efficiency, reduce maintenance difficulty, and ensure long-term stable performance for both new pipeline projects and repair applications.
| 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
Large Diameter Flange Adaptor is designed for secure and efficient connection of large-diameter pipelines with valves, pumps, flanges, and other pipeline components. It is widely used in water supply, drainage, sewage treatment, irrigation, industrial pipelines, and municipal infrastructure projects. With a heavy-duty body structure, reliable sealing system, and strong bolt connection, the large diameter flange adaptor can handle demanding installation conditions while improving alignment flexibility and reducing on-site installation difficulty. Its corrosion-resistant materials and stable sealing performance help ensure long service life, safe operation, and lower maintenance costs for large-scale 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.
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