Worm wheel type soft seal butterfly valve
Product overview
Product model: D341X
Nominal diameter: DN50～1000mm
Nominal pressure: PN0.6~1.6MPa
Applicable temperature: ≤120℃
Material: all kinds of rubber, PTFE
Drive modes: manual, worm and worm gear drive, pneumatic drive and electric drive.
Applicable media: air, water, sewage, steam, gas, oil and other design standards: GB/T2238-1989
Flange connection size: GB/T9113.1-2000; GB/T9115.1-2000; JB78
Length: GB/T12221-1989
Pressure test: GB/T13927-1992; JB/T9092-1999
Product overview
Worm wheel flange soft seal butterfly valve is suitable for regulating flow and intercepting medium in water supply and drainage and gas pipelines of food, medicine, chemical industry, petroleum, electric power, light textile, paper making, etc. with temperature ≤120℃ and nominal pressure ≤1.6MPa.
Main technical parameters
Nominal diameter |
DN（mm） |
50～2000 | ||
Nominal pressure |
PN（MPa） |
0.6 |
1.0 |
1.6 |
Testing pressure |
Strength test |
0.9 |
1.5 |
2.4 |
Pressure test |
0.66 |
1.1 |
1.76 | |
Gas seal test |
0.6 |
0.6 |
0.6 | |
Applicable medium |
Air, water, sewage, steam, gas, oil, etc. | |||
Driving form |
Manual, worm and worm gear transmission, pneumatic transmission and electric transmission. | |||
Material of main parts
Part name |
Material |
Body |
All kinds of rubber, PTFE |
Butterfly plate |
Gray cast iron, nodular cast steel, cast steel, stainless steel and special materials |
O-ring |
Nodular cast steel, cast steel, alloy steel, stainless steel |
Valve rod |
2Cr13、stainless steel |
Filling |
O-ring, flexible graphite |
Main dimensions and weight（PN1.0/1.6MPa）
| DN | L | D | D1 | D2 | b | f | N-d0 | A | K | E | F | H | H1 | H2 | Φ2 | N-d1 |
| 50 | 108 | 165 | 125 | 102 | 18 | 3 | 4-Φ18 | 180 | 65 | 50 | 13 | 83 | 338 | 28 | 12.6 | 4-Φ7 |
| 65 | 112 | 185 | 145 | 122 | 18 | 3 | 8-Φ18 | 180 | 65 | 50 | 13 | 93 | 358 | 28 | 12.6 | 4-Φ7 |
| 80 | 114 | 200 | 160 | 138 | 20 | 3 | 8-Φ18 | 245 | 65 | 50 | 13 | 100 | 413 | 28 | 12.6 | 4-Φ7 |
| 100 | 127 | 220 | 180 | 158 | 20 | 3 | 8-Φ18 | 240 | 90 | 70 | 13 | 114 | 428 | 28 | 15.77 | 4-Φ10 |
| 125 | 140 | 250 | 210 | 188 | 22 | 3 | 8-Φ18 | 240 | 90 | 70 | 13 | 125 | 444 | 28 | 18.92 | 4-Φ10 |
| 150 | 140 | 285 | 240 | 212 | 22 | 3 | 8-Φ22 | 350 | 90 | 70 | 13 | 143 | 553 | 28 | 18.92 | 4-Φ10 |
| 200 | 152 | 340 | 295 | 268 | 24 | 3 | 12-Φ22 | 350 | 125 | 102 | 13 | 170 | 678 | 38 | 22.1 | 4-Φ12 |
| 250 | 165 | 405 | 355 | 320 | 26 | 3 | 12-Φ26 | 550 | 125 | 102 | 13 | 198 | 742 | 38 | 28.45 | 4-Φ12 |
| 300 | 178 | 460 | 410 | 378 | 28 | 4 | 12-Φ26 | 600 | 125 | 102 | 20 | 223 | 803 | 38 | 31.6 | 4-Φ12 |
| 350 | 190 | 520 | 470 | 438 | 30 | 4 | 16-Φ26 | 600 | 150 | 125 | 20 | 270 | 866 | 45 | 31.6 | 4-Φ14 |
| 400 | 216 | 580 | 525 | 490 | 32 | 4 | 16-Φ30 | 600 | 175 | 140 | 20 | 300 | 940 | 51 | 33.15 | 4-Φ18 |
| 450 | 222 | 640 | 585 | 550 | 40 | 4 | 20-Φ30 | 750 | 175 | 140 | 20 | 340 | 995 | 51 | 37.95 | 4-Φ18 |
| 500 | 229 | 715 | 650 | 610 | 44 | 4 | 20-Φ33 | 750 | 175 | 140 | 22 | 355 | 1058 | 57 | 41.12 | 4-Φ18 |
| 600 | 267 | 840 | 770 | 725 | 54 | 5 | 20-Φ36 | 750 | 210 | 165 | 30 | 410 | 1163 | 70 | 50.63 | 4-Φ22 |
| 700 | 292 | 910 | 840 | 795 | 40 | 5 | 24-Φ36 | 750 | 300 | 254 | 30 | 478 | 1283 | 66 | 63.35 | 8-Φ18 |
| 800 | 318 | 1025 | 950 | 900 | 42 | 5 | 24-Φ39 | 750 | 300 | 254 | 30 | 529 | 1398 | 66 | 63.35 | 8-Φ18 |
| 900 | 330 | 1125 | 1050 | 1000 | 44 | 5 | 28-Φ39 | 1250 | 300 | 254 | 34 | 584 | 1498 | 118 | 75 | 8-Φ18 |
| 1000 | 410 | 1255 | 1170 | 1115 | 46 | 5 | 28-Φ42 | 1500 | 300 | 254 | 34 | 357 | 1608 | 142 | 85 | 8-Φ18 |
| 1200 | 470 | 1485 | 1390 | 1330 | 52 | 5 | 32-Φ48 | 1500 | 350 | 298 | 34 | 799 | 1876 | 150 | 105 | 8-Φ22 |
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