Wafer soft seal butterfly valve
Wafer soft seal butterfly valve
Nominal diameter: DN40-350mm
Nominal: PN0.6 ~ 1.6MPa
Temperature: ≤120 ℃
Suitable medium: air, water, water, steam, gas, oil, etc.
Main material: ductile cast iron, cast steel, alloy steel, stainless steel
Operation: manual, worm gear, gas drive, electric drive
Wafer soft seal butterfly valve uses and characteristics
Soft seal butterfly valve for temperature ≤120 ℃, nominal pressure ≤16MPa food, pharmaceutical, chemical, oil, electricity, alloy, construction, textile, paper and other drainage, gas pipe for Adjust the flow and the role of interception medium.
The main features of the soft seal butterfly valve
1, the design of new, reasonable, unique structure, light weight, opening and closing quickly.
2, operating torque is small, easy to operate, effort and dexterity.
3, can be installed anywhere, easy maintenance.
4, the seal can be replaced, sealing performance reliable to achieve two-way seal zero leakage.
5, sealing materials resistant to aging, corrosion resistance, long service life and so on.
Standard
Design standard for GB / T12238-1989, lS0 10631-1994 or BS EN593-1998
Flange connection dimensions GB / T17241.6-1998, IS0 7005-2 or BSEN 1092-2002
Structural length: GB / T1 2221-1989, lS0 5752-1988 or BS EN558-1
Pressure test: GB / T13927-1 992, JB / T9092-1999, lS0 5028-1993 or BS 6755-l-1986 Clamped
Soft seal butterfly valveThe 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 | |
Applicable media | Air, water, sewage, steam, gas, oil and so on | |||
Driven form | Manual, worm gear, air drive, electric drive | |||
Seal the material of the main parts of the soft seal butterfly valve
Part Name | Material |
Body | Ductile iron, cast steel, alloy steel, stainless steel |
Butterfly board | Gray cast iron, ductile steel, cast steel, stainless steel and special materials |
Sealing ring | All kinds of rubber, polytetrafluoroethylene |
Stem | 2Cr13, stainless steel |
filler | 0 ring, flexible graphite |
Seal the soft seal butterfly valve sealing material
Material varieties | Neoprene | Dingqing rubber | Ethylene-propylene rubber | Teflon | Silicone Rubber | fluororubber |
Code | X or 0rJ | XA or orJA | XB or orJB | xC, JC or 0rF | XD or orJD | X E or orJE |
Resistant to maximum temperature | 82 ° C | 93 ° C | 150 ° C | 232 ° C | 250 ° C | 204 ° C |
Resistant to minimum temperature | -40 ℃ | -40 ℃ | -40 ℃ | -268 ° C | -70 ° C | -23 ° C |
Applicable operating temperature | ≤65 ℃ | ≤ 80 ℃ | ≤ 120 ℃ | ≤ 200 ℃ | ≤ 200 ℃ | ≤ 180 ℃ |
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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