Wafer-type soft sealing butterfly valve
Wafer-type soft sealing butterfly valve
Nominal diameter: DN40 ~ 350mm
Nominal pressure: PN0.6 ~ 1.6MPa
Temperature: ≤120 ℃
Suitable medium: air, water, water, steam, gas, oil, etc.
Main material: ductile iron, cast , steel, stainless steel
Operation: manual, worm gear, gas drive, electric drive
Clamp soft butterfly valve applications and features
soft sealing butterfly valve for temperature ≤ 120 ℃, nominal pressure ≤ 16MPa of food, medicine, chemicals, petroleum, electricity, Taijin, urban construction, textile, paper and other water supply and drainage, gas pipeline Regulate flow and shut off media.
The main features of soft butterfly valve seal
1, the design is novel, reasonable, unique structure, light weight, quick opening and closing.
2, torque is small, easy to operate, labor-saving smart.
3, can be installed in any location, easy maintenance.
4, seals can be replaced, sealing performance and reliable two-way seal to achieve zero leakage.
5, sealing material aging resistance, corrosion resistance, long life and other characteristics.
The standard soft sealing butterfly valve on the valve
design standards: GB / T12238-1989, lS0 10631-1994 or BS EN593-1998
flange connection dimensions GB / T17241.6-1998, IS0 7005-2 or BSEN 1092-2002
structure length: GB / T1 2221-1989, lS0 5752-1988 or BS EN558-1
pressure test: GB / T13927-1992, JB / T9092-1999, lS05028-1993 or BS6755-l-1986
Pairs of soft sealing butterfly valve main technical parameters
Nominal diameter | DNmm | 50 ~ 2000 | ||
Nominal pressure | PNMPa | 0.6 | 1.0 | 1.6 |
Test pressure PsMPa | Strength test | 0.9 | 1.5 | 2.4 |
Seal test | 0.66 | 1.1 | 1.76 | |
Suitable media | Air, water, sewage, steam, gas, oil and so on | |||
Drive form | Manual, worm gear transmission, gas transmission, electric transmission | |||
On the folder soft seal butterfly valve main parts of the material
Part Name | material |
Body | Ductile iron, cast steel, alloy steel, stainless steel |
Butterfly plate | Gray cast iron, ductile cast steel, cast steel, stainless steel and special materials |
Sealing ring | All kinds of rubber, PTFE |
Valve stem | 2Cr13, stainless steel |
filler | 0 ring, flexible graphite |
Wafer seal butterfly valve sealing material
Material variety | Neoprene | Nitrile rubber | Ethylene propylene rubber | Teflon | Silicone Rubber | fluororubber |
Code | × or 0rJ | XA or orJA | XB or orJB | xC, JC or 0rF | XD or orJD | × E or orJE |
Resistance to the highest temperature | 82 ° C | 93 ° C | 150 ° C | 232 ° C | 250 ° C | 204 ° C |
Resistance to the lowest temperature | -40 ℃ | -40 ℃ | -40 ℃ | -268 ° C | -70 ° C | -23 ° C |
Suitable for working temperature | ≤65 ℃ | ≤80 ℃ | ≤120 ℃ | ≤200 ℃ | ≤200 ℃ | ≤180 ℃ |
The main dimensions and weight (PN1.0 / 1.6MPa)
| DN (mm) | A | B | C | D1 | L | n-Φ | K | E | 4-Φ1 | Φ2 | G | Weight WT (kg) |
| 50 | 140 | 80 | 43 | 125 | 32 | 4-19 | 77 | 57.15 | 4-6.7 | 12.6 | 100 | 3.34 |
| 65 | 152 | 89 | 46 | 145 | 32 | 4-19 | 77 | 57.15 | 4-.67 | 12.6 | 120 | 3.94 |
| 80 | 159 | 95 | 45.21 | 160 | 32 | 8-19 | 77 | 57.15 | 4-.67 | 12.6 | 127 | 4.05 |
| 100 | 178 | 114 | 52.07 | 180 | 32 | 8-19 | 92 | 69.85 | 4-10.3 | 15.77 | 156 | 5.48 |
| 125 | 190 | 127 | 55.5 | 210 | 32 | 8-19 | 92 | 69.85 | 4-10.3 | 18.92 | 190 | 7.66 |
| 150 | 203 | 139 | 55.75 | 240 | 32 | 8-23 | 92 | 69.85 | 4-10.3 | 18.92 | 212 | 8.5 |
| 200 | 238 | 175 | 60.58 | 295 | 45 | 8-23 | 115 | 88.9 | 4-14.3 | 22.1 | 268 | 25 |
| 250 | 268 | 203 | 68 | 350 | 45 | 12-23 | 115 | 88.9 | 4-14.3 | 28.45 | 325 | 31.4 |
| 300 | 306 | 242 | 76.9 | 400 | 45 | 12-23 | 140 | 107.95 | 4-14.3 | 31.6 | 403 | 45.9 |
| 350 | 368 | 267 | 76.17 | 460 | 45 | 16-23 | 140 | 107.95 | 4-14.3 | 31.6 | 436 | 54 |
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| Add：No. 3106, Chengliu Middle Road, Jiading District, Shanghai City Add：No. 3106, Chengliu Middle Road, Jiading District, Shanghai City | 
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