| NO. | NAME | Material |
| 1 | Inner and Outer Glue | NR,NBR,EPDM |
| 2 | Key Frame | Nylone Cord Fabric |
| 3 | Pressurized Ring | Steel Wire Strand |
| 4 | Flange | Q235 |
| Size | JGD-1 | JGD-2 | JGD-3 |
| Working Pressure MPa(Kgf/cm2) | 1(10) | 1.6(16) | 2.5(25) |
| Explosion Pressure MPa(Kgf/cm2) | 2(20) | 3(30) | 4.5(45) |
| Vacume KPa(mmHg) | 53.3(400) | 86.7(650) | 100(750) |
| Working Tempreture | -15--115 centigrade special reach to -30--250 centigrade | ||
| Media | air ,compressed air,water,sea water,hot water,oil,acid,alkali | ||