| Material of rubber joint | | | ||
| No. | Name | Material | ||
| 1 | Outer/inner rubber | NR, NBR, EPDM, SBR, BR etc. | ||
| 2 | Size | DN25-DN3000 | ||
| 3 | Frame | Nylon card fabric | ||
| 3 | Pressurized ring | Steel wire strand | ||
| 5 | Flange | Q235 carbon steel, 304 stainless steel etc. | ||

| -15℃ ~ +80 ℃ (-30℃~+150℃ special) | | | |||
| Applicable media | Air,compressed air,water,sea water,hot water,oil,acid and alkali etc | | | ||
| Main connecting dimension of rubber joint | | | | | | | ||||||
| Nominal diameter(DN) | | Length | Axial displacement | | Horizontal displacement | Deflexion angle | ||||||
| mm | inch | Extension(mm) | Compression(mm) | mm | mm | (a1+a2)° | ||||||
| 32 | 1 and 1/4 | 95 | 6 | 9 | 9 | 15° | ||||||
| 40 | 1 and 1/2 | 95 | 6 | 10 | 9 | 15° | ||||||
| 50 | 2 | 105 | 7 | 10 | 10 | 15° | ||||||
| 65 | 2 and 1/2 | 115 | 7 | 13 | 11 | 15° | ||||||
| 80 | 3 | 135 | 8 | 15 | 12 | 15° | ||||||
| 100 | 4 | 150 | 10 | 19 | 13 | 15° | ||||||
| 125 | 5 | 165 | 12 | 19 | 13 | 15° | ||||||
| 150 | 6 | 180 | 12 | 20 | 14 | 15° | ||||||
| 200 | 8 | 210 | 16 | 25 | 22 | 15° | ||||||
| 250 | 10 | 230 | 16 | 25 | 22 | 15° | ||||||
| 300 | 12 | 245 | 16 | 25 | 22 | 15° | ||||||
| 350 | 14 | 255 | 16 | 25 | 22 | 15° | ||||||
| 400 | 16 | 255 | 16 | 25 | 22 | 15° | ||||||
| 450 | 18 | 255 | 16 | 25 | 22 | 15° | ||||||
| 500 | 20 | 255 | 16 | 25 | 22 | 15° | ||||||
| 600 | 24 | 260 | 16 | 25 | 22 | 15° | ||||||
| 700 | 28 | 260 | 16 | 25 | 22 | 15° | ||||||
| 800 | 32 | 260 | 16 | 25 | 22 | 15° | ||||||
| 900 | 36 | 260 | 16 | 25 | 22 | 15° | ||||||
| 1000 | 40 | 260 | 18 | 26 | 24 | 15° | ||||||
| 1200 | 48 | 260 | 18 | 26 | 24 | 15° | ||||||
| 1400 | 56 | 350 | 20 | 28 | 26 | 15° | ||||||
| 1600 | 64 | 350 | 25 | 35 | 30 | 10° | ||||||
| 1800 | 72 | 350 | 25 | 35 | 30 | 10° | ||||||
| 2000 | 80 | 420 | 25 | 35 | 30 | 10° | ||||||
| 2200 | 88 | 420 | 25 | 35 | 30 | 10° | ||||||
| 2400 | 96 | 420 | 25 | 35 | 30 | 10° | ||||||
| 2600 | 104 | 450 | 25 | 35 | 30 | 10° | ||||||
| 2800 | 112 | 450 | 25 | 35 | 30 | 10° | ||||||
| 3000 | 120 | 500 | 25 | 35 | 30 | 10° | ||||||




| 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 | | |||||







