It has the characteristics of high heat resistance, good elasticity, large displacement, shock absorption and noise reduction, flexible installation and so on. It can be widely used in water supply and drainage, circulating water, HVAC, paper making, petrochemical industry, ships, compressors, pumps, fans and other pipeline systems.
Major Component Materials
| Serial number | Position | Material Science |
| 1 | subject | Polar rubber |
| 2 | lining | Nylon cord fabric |
| 3 | skeleton | Rigid rigid wire |
| 4 | flange | mild steel |
Performance specification
| Performance specification | Working pressure | Burst pressure | vacuum degree | Applicable temperature℃ | Applicable medium |
| JGD(I) | 1.6 | 4.8 | 100(750) | -20~+115(Special reachable-30+250) | Chemicals such as air, compressed air, water, sea water, hot water, oil, and alkali |
| JGD(II) | 1.0 | 3.0 | 86.7(650) | ||
| JGD(III) | 0.6 | 1.8 | 53.3(400) |
Main Dimensions Table
| DN(mm) | length | Axial displacement | radial displacement | Deflection angle | Pressure grade corresponds to center distance dimension of bolt hole of flange | |||
| Elongation | compress | 0.6MPa | 1.0MPa | 1.6MPa | ||||
| 32 | 95 | 6 | 9 | 9 | 150 | 90 | 100 | 100 |
| 40 | 95 | 6 | 10 | 9 | 150 | 100 | 110 | 110 |
| 50 | 105 | 7 | 10 | 10 | 150 | 110 | 125 | 125 |
| 65 | 115 | 7 | 13 | 11 | 150 | 130 | 145 | 145 |
| 80 | 135 | 8 | 15 | 12 | 150 | 150 | 160 | 160 |
| 100 | 150 | 10 | 19 | 13 | 150 | 170 | 180 | 180 |
| 125 | 165 | 12 | 19 | 13 | 150 | 200 | 210 | 210 |
| 150 | 180 | 12 | 20 | 14 | 150 | 225 | 240 | 240 |
| 200 | 210 | 16 | 25 | 22 | 150 | 280 | 295 | 295 |
| 250 | 230 | 16 | 25 | 22 | 150 | 335 | 350 | 355 |
| 300 | 245 | 16 | 25 | 22 | 150 | 385 | 400 | 410 |
| 350 | 255 | 16 | 25 | 22 | 150 | 445 | 460 | 470 |
| 400 | 255 | 16 | 25 | 22 | 150 | 495 | 515 | 525 |
| 450 | 255 | 16 | 25 | 22 | 150 | 550 | 565 | 585 |
| 500 | 255 | 16 | 25 | 22 | 150 | 600 | 620 | 650 |
| 600 | 260 | 16 | 25 | 22 | 150 | 705 | 725 | 770 |
| 700 | 320 | 16 | 25 | 22 | 150 | 810 | 840 | 840 |
| 800 | 340 | 16 | 25 | 22 | 150 | 920 | 950 | 950 |
| 900 | 370 | 16 | 26 | 22 | 150 | 1020 | 1050 | 1050 |
| 1000 | 400 | 18 | 26 | 24 | 150 | 1120 | 1160 | 1170 |
| 1200 | 420 | 18 | 28 | 24 | 150 | 1340 | 1380 | 1390 |
| 1400 | 456 | 20 | 28 | 26 | 150 | 1560 | 1590 | - |
| 1600 | 500 | 20 | 28 | 26 | 150 | 1760 | 1820 | - |
| 1800 | 550 | 20 | 35 | 40 | 150 | 1970 | 2020 | - |
| 2000 | 550 | 25 | 35 | 40 | 150 | 2180 | 2230 | - |
| 2200 | 550 | 25 | 35 | 30 | 150 | 2390 | - | - |
| 2400 | 550 | 25 | 35 | 30 | 150 | 2600 | - | - |
| 2600 | 550 | 25 | 35 | 30 | 150 | 2810 | - | - |
| 2800 | 550 | 25 | 35 | 30 | 150 | 3020 | - | - |
| 3000 | 550 | 25 | 35 | 30 | 150 | 3220 | - | - |
