Soft seal flange butterfly valve
Soft seal flange butterfly valve
Nominal diameter: DN50 ~ 1000mm
Nominal: PN0.6 ~ 1.6MPa
Temperature: ≤120 ℃
Body Material: kinds of rubber, PTFE
Drive forms: manual, worm gear, gas transmission, electrical transmission
Medium: air, water, water, steam, gas, oil, etc.
Flange connection: GB / T9113.1-2000; GB / T9115.1-2000 ; JB78
product description
Soft seal butterfly valve for the temperature ≤ 120 ℃, nominal pressure ≤ 1.6MPa of food, medicine, chemicals, petroleum, electricity, textile, paper and other water supply and drainage, gas pipeline for regulating the flow and the role of interception medium. Its main features are:
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: GB / T2238-1989
Flange connection size: GB / T9113.1-2000; GB / T9115.1-2000; JB78
Structural length: GB / T12221-1989
Pressure test: GB / T13927-1992; JB / T9092-1999
Main technical parameters
Nominal diameter | DN (mm) | 50 ~ 2000 | ||
Nominal pressure | PN (MPa) | 0.6 | 1.0 | 1.6 |
test pressure | Strength test | 0.9 | 1.5 | 2.4 |
Seal test | 0.66 | 1.1 | 1.76 | |
Gas seal test | 0.6 | 0.6 | 0.6 | |
Applicable media | Air, water, sewage, steam, gas, oil and so on | |||
Driven form | Manual, worm gear drive, air drive, electric drive | |||
The main part of the material
Part Name | material |
Body | All kinds of rubber, PTFE |
Butterfly board | Gray cast iron, ductile steel, cast steel, stainless steel and special materials |
Sealing ring | Ductile steel, cast steel, alloy steel, stainless steel |
Stem | 2Cr13, stainless steel |
filler | O-ring, flexible graphite O |
Butterfly valve sealing material selection and applicable temperature
Material varieties | Neoprene | Nitrile butadiene rubber | Ethylene-propylene rubber | Teflon | Silicone Rubber | fluororubber |
Code | X or or J. | XA or or JA | XB or or JB | XC, JC or or F | XD or or JD | XE or or JE |
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 | D | D1 | D2 | D3 | D4 | D5 | L | L1 | L2 | nd | a | f | n-d1 | Weight WT (kg) |
| 50 | 83 | 130 | 20 | 52.9 | 125 | 165 | 99 | 57.15 | 65 | 108 | 111 | 32 | 4-19 | 90 ° | 3 | 4-7 | 7.6 |
| 65 | 93 | 145 | 20 | 64.5 | 145 | 185 | 118 | 57.15 | 65 | 112 | 115 | 32 | 4-19 | 90 ° | 3 | 4-7 | 9.7 |
| 80 | 100 | 155 | 22 | 78.8 | 160 | 20 | 132 | 69.85 | 65 | 114 | 117 | 32 | 8-19 | 45 ° | 3 | 4-7 | 10.6 |
| 100 | 114 | 170 | 24 | 104 | 180 | 220 | 156 | 69.85 | 90 | 127 | 130 | 32 | 8-19 | 45 ° | 3 | 4-10 | 13.8 |
| 125 | 125 | 190 | 26 | 123.3 | 210 | 250 | 184 | 69.85 | 90 | 140 | 143 | 32 | 8-19 | 45 ° | 3 | 4-10 | 18.2 |
| 150 | 143 | 205 | 26 | 155.6 | 240 | 285 | 211 | 88.9 | 90 | 140 | 143 | 32 | 8-23 | 45 ° | 3 | 4-10 | 21.7 |
| 200 | 170 | 235 | 26 | 202.5 | 295 | 340 | 266 | 88.9 | 125 | 152 | 155 | 45 | 8-23 12-23 | 45 ° / 30 ° | 3 | 4-14 | 31.8 |
| 250 | 198 | 280 | 28 | 250.5 | 350/355 | 395/405 | 319 | 107.95 | 125 | 165 | 168 | 45 | 12-23 12-28 | 30 ° | 3 | 4-14 | 44.7 |
| 300 | 223 | 310 | 28 | 301.5 | 400/410 | 445/460 | 370 | 107.95 | 150 | 178 | 182 | 45 | 12-23 12-28 | 30 ° | 4 | 4-14 | 57.9 |
| 350 | 279 | 340 | 30 | 333.3 | 460/470 | 505/520 | 429 | 158.75 | 150 | 190 | 194 | 45 | 16-23 16-28 | 22.5 ° | 4 | 4-14 | 81.6 |
| 400 | 300 | 375 | 32 | 389.6 | 515/525 | 565/580 | 480 | 158.75 | 175 | 216 | 221 | 51.2 / 72 | 16-28 16-31 | 22.5 ° | 4 | 4-20.6 | 106 |
| 450 | 345 | 430 | 32 | 440.5 | 565/585 | 615/640 | 530 | 158.75 | 175 | 222 | 227 | 51.2 / 72 | 20-28 20-31 | 18 ° | 4 | 4-20.6 | 147 |
| 500 | 355 | 500 | 34 | 491.6 | 620/650 | 670/715 | 582 | 215.9 | 210 | 229 | 234 | 52.75 / 77.5 | 20-26 20-34 | 18 ° | 4 | 4-20.6 | 165 |
| 600 | 410 | 560 | 36 | 592.5 | 725/770 | 780/840 | 682 | 254 | 210 | 267 | 272 | 70.2 / 82 | 20-31 20-37 | 18 ° | 5 | 4-22 | 235 |
| 700 | 478 | 620 | 40 | 695 | 840 | 895/910 | 794 | 254 | 300 | 292 | 299 | 66/82 | 24-31 24-37 | 15 ° | 5 | 8-18 | 338 |
| 800 | 529 | 620 | 44 | 794.7 | 950 | 1015/1025 | 901 | 254 | 300 | 318 | 325 | 66/82 | 24-34 24-40 | 15 ° | 5 | 8-18 | 475 |
| 900 | 584 | 665 | 46 | 864.7 | 1050 | 1115/1125 | 1001 | 254 | 350 | 330 | 338 | 118 | 28-34 28-40 | 12.9 ° | 5 | 8-22 | 595 |
| 1000 | 657 | 735 | 50 | 965 | 1160/1170 | 1230/1255 | 1112 | 254 | 350 | 410 | 417 | 141 | 28-37 28-43 | 12.9 ° | 5 | 8-22 | 794 |
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