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Home » Rubber back valve » KSD flexible butterfly valve
Rubber joint
Expansion joint
Expansion joint
Air flue compensator
Vibration isolator
Rubber back valve
Valve & filter
Flange
KSD flexible butterfly valve
Introduction :
KSD flexible butterfly valve ,patent number is 96112556,high pressure resistance ,good elasticity ,small weight ,shock absoption(under normal circumstances, can reduce structural transmission of noise from 10 to 15 dB),the flange could rotate ,easy to install and replace ,maintain,resistance to acid,alkali,oil and so on .the main body is equipped with pressed ring ,used for a period of time,adjustable squeeze ring ,continue to use ,to expand using life,therefore,the valve could be used in metallurgy,chemical industry,water supply and drainage,construction and other fields .
KSD flexible butterfly valve
KSD flexible butterfly valve
Dimension :
| size | KSD341X-1 | KSD341X-2 | KSD341X-3 |
| Working pressure MPa(Kgf/cm2) | 1(10) | 1.6(16) | 2.5(25) |
| Explosion pressure MPa(Kgf/cm2) | 2(20) | 3(30) | 3.6(36) |
| Vacuum KPa(mmHg) | 53.3(400) | 86.7(650) | 95(950) |
| Tempreture | -15--+90 centigrade | ||
| Media | Air ,compressed air , water ,sea whater,oil ,acid ,alikali etc . | ||
Dimension :
| (DN) | Length L(mm) |
Diameer of external diameter D (mm) |
Diameter of D1(mm) |
Thickness of flange b(mm) |
Number of bolts n | Bolt diameter (mm) |
Axial displacement (mm) | Lateral displacement (mm) |
Deflection angle (a1+a2) |
||
| mm | Inch | Extension | Compression | ||||||||
| 40 | 11/2 | 140 | 145 | 110 | 16 | 4 | 18 | 6 | 10 | 9 | 7.5กใ |
| 50 | 2 | 150 | 160 | 125 | 18 | 4 | 18 | 7 | 10 | 10 | 7.5 |
| 65 | 21/2 | 170 | 180 | 145 | 18 | 4 | 18 | 7 | 13 | 11 | 7.5 |
| 80 | 3 | 190 | 195 | 160 | 20 | 4 | 18 | 8 | 15 | 12 | 7.5 |
| 100 | 4 | 200 | 215 | 180 | 20 | 8 | 18 | 10 | 19 | 13 | 7.5 |
| 125 | 5 | 200 | 245 | 210 | 22 | 8 | 18 | 12 | 19 | 13 | 7.5 |
| 150 | 6 | 210 | 280 | 240 | 22 | 8 | 23 | 12 | 20 | 13 | 7.5 |
| 200 | 8 | 230 | 335 | 295 | 22 | 8 | 23 | 16 | 25 | 14 | 7.5 |
| 250 | 10 | 250 | 390 | 350 | 24 | 12 | 23 | 16 | 25 | 22 | 7.5 |
| 300 | 12 | 270 | 440 | 400 | 26 | 12 | 23 | 16 | 25 | 22 | 7.5 |
| 350 | 14 | 290 | 500 | 450 | 26 | 16 | 23 | 16 | 25 | 22 | 7.5 |
| 400 | 16 | 310 | 565 | 515 | 28 | 16 | 25 | 16 | 25 | 22 | 7.5 |
| 500 | 20 | 350 | 670 | 620 | 32 | 20 | 25 | 16 | 25 | 22 | 7.5 |
| 600 | 24 | 390 | 780 | 725 | 36 | 20 | 30 | 16 | 25 | 22 | 7.5 |
Note: This table flange according to the "National Atlas of common standards for water," the working pressure 1MPa .