Wafer soft seal butterfly valve
Product overview
Product model: D371X
Nominal diameter: DN50~1200mm
Nominal pressure: PN0.6~1.6MPa
Applicable temperature: ≤120℃
Applicable media: air, water, sewage, steam, gas, oil, etc.
Main materials: ductile iron, cast steel, alloy steel and stainless steel.
Driving mode: manual, worm gear drive, pneumatic drive and electric drive.
Design standard: GB/T12238-1989, lS0 10631-1994 or BS EN593-1998
Flange connection size GB/T 17241.6-1998, IS0 7005-2 or BSEN 1092-2002
Length: GB/T1 2221-1989, lS0 5752-1988 or BS EN558-1
Pressure test: GB/T13927-1992, JB/T9092-1999, lS0 5028-1993 or BS 6755-1986
Product overview
Wafer soft seal butterfly valve is suitable for regulating flow and intercepting medium in water supply, drainage and gas pipelines of food, medicine, chemical industry, petroleum, electric power, Taiwan gold, urban construction, light textile, paper making, etc. with temperature ≤120℃ and nominal pressure ≤16MPa.
Main feature
1. Novel and reasonable design, unique structure, light weight and quick opening and closing.
2. Small operating torque, convenient operation, labor saving and dexterity.
3. It can be installed and maintained at any location.
4. The seal can be replaced, and the sealing performance is reliable, so that the bidirectional seal has zero leakage.
5. The sealing material has the characteristics of aging resistance, corrosion resistance and long service life.
Main dimensions and weight（PN1.0/1.6MPa）
| DN(mm) | A | B | L | D1 | H4 | 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 | 4-6.7 | 12.6 | 120 | 3.94 |
| 80 | 159 | 95 | 45.21 | 160 | 32 | 8-19 | 77 | 57.15 | 4-6.7 | 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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