

| Material of rubber joint | | | ||
| No. | Name | Material | ||
| 1 | Outer/inner rubber | NR, NBR, EPDM, SBR, BR etc. | ||
| 2 | Frame | Nylon card fabric | ||
| 3 | Pressurized ring | Steel wire strand | ||
| 4 | Flange | Q235 carbon steel, 304 stainless steel etc. | ||
| Technical conditions of rubber joint | | | | |||
| Type | 1 | 2 | 3 | |||
| Working pressure(Kg f/cm2) | 1.0(10) | 1.6(16) | 2.5(25) | |||
| Explosion pressure(Kg f/cm2) | 2.0(20) | 3.0(30) | 4.5(45) | |||
| Vacuum value(mmHg) | 2.0(20) | 86.7(650) | 100(750) | |||
| Applicable temperature | -15℃ ~ +80 ℃ (-30℃~+150℃ special) | | | |||
| Applicable media | Air,compressed air,water,sea water,hot water,oil,acid and alkali etc | | | |||


