BWWF Rubber seal Worm Gear Flange Centre Line Butterfly Valve
Product Feature
·Small size, convenient, easy to assemble and disassemble, maintenance, fix at any positions.
·A mere 90 degrees rotation can realize fast-speed open and close, small operating torque, light and handy.
·A variety of options for spare parts material, suitable to different mediums.
·Flow characteristic is close to straight line, the regulation performance is good.
Performance Specification
Valve body material:cast iron, cast steel, stainless steel
Seal-ring material:EPDM -40～+125℃
NBR -20～+82℃
SI -70～+150℃
VITON -23～+150℃
PTFE +10～+150℃
Medium:fresh water, sewage, sea water, air, steam, food, drugs, all kinds of oil, acid, alkali, salt and so on.
Dimension
|
Diameter DN |
Pressure 1.0MPa | |||||||
| L | D | D1 | D2 | b | Z-φd | H1 | H2 | |
| DN50 | 108 | 160 | 125 | 100 | 16 | 4-φ18 | 65 | 220 |
| DN65 | 112 | 180 | 145 | 120 | 18 | 4-φ18 | 70 | 220 |
| DN80 | 114 | 195 | 160 | 135 | 20 | 4-φ18 | 100 | 220 |
| DN100 | 127 | 215 | 180 | 155 | 22 | 8-φ18 | 120 | 235 |
| DN125 | 140 | 245 | 210 | 185 | 22 | 8-φ18 | 138 | 260 |
| DN150 | 140 | 280 | 240 | 210 | 24 | 8-φ23 | 160 | 290 |
| DN200 | 152 | 335 | 295 | 265 | 24 | 8-φ23 | 185 | 325 |
| DN250 | 165 | 390 | 350 | 320 | 26 | 12-φ23 | 219 | 370 |
| DN300 | 178 | 440 | 400 | 368 | 26 | 12-φ23 | 240 | 413 |
| DN350 | 190 | 500 | 460 | 428 | 26 | 16-φ23 | 270 | 443 |
| DN400 | 216 | 565 | 515 | 482 | 26 | 16-φ25 | 305 | 513 |
| DN450 | 222 | 615 | 565 | 532 | 28 | 20-φ25 | 345 | 548 |
| DN500 | 229 | 670 | 620 | 585 | 28 | 20-φ25 | 363 | 608 |
| DN600 | 267 | 780 | 725 | 685 | 34 | 20-φ30 | 431 | 703 |
| DN700 | 292 | 895 | 840 | 800 | 34 | 24-φ30 | 488 | 768 |
| DN800 | 318 | 1010 | 950 | 905 | 36 | 24-φ34 | 540 | 859 |
| DN900 | 330 | 1110 | 1050 | 1005 | 38 | 28-φ34 | 608 | 905 |
| DN1000 | 410 | 1220 | 1160 | 1115 | 38 | 28-φ34 | 715 |
980 |
|
Diameter DN |
Pressure 1.6MPa | |||||||
| L | D | D1 | D2 | b | Z-φd | H1 | H2 | |
| DN50 | 108 | 160 | 125 | 100 | 16 | 4-φ18 | 65 | 220 |
| DN65 | 112 | 180 | 145 | 120 | 18 | 4-φ18 | 70 | 220 |
| DN80 | 114 | 195 | 160 | 135 | 20 | 8-φ18 | 100 | 220 |
| DN100 | 127 | 215 | 180 | 155 | 22 | 8-φ18 | 120 | 235 |
| DN125 | 140 | 245 | 210 | 185 | 22 | 8-φ18 | 138 | 260 |
| DN150 | 140 | 280 | 240 | 210 | 24 | 8-φ23 | 160 | 290 |
| DN200 | 152 | 335 | 295 | 265 | 24 | 12-φ23 | 185 | 325 |
| DN250 | 165 | 405 | 355 | 320 | 26 | 12-φ25 | 219 | 370 |
| DN300 | 178 | 460 | 410 | 375 | 28 | 12-φ25 | 240 | 413 |
| DN350 | 190 | 520 | 470 | 435 | 30 | 16-φ25 | 270 | 443 |
| DN400 | 216 | 580 | 525 | 485 | 32 | 16-φ30 | 305 | 513 |
| DN450 | 222 | 640 | 585 | 545 | 34 | 20-φ30 | 345 | 548 |
| DN500 | 229 | 705 | 650 | 608 | 36 | 20-φ34 | 363 | 608 |
| DN600 | 267 | 840 | 770 | 718 | 38 | 20-φ41 | 431 | 703 |
| DN700 | 292 | 910 | 840 | 788 | 40 | 24-φ41 | 488 | 768 |
| DN800 | 318 | 1020 | 950 | 898 | 42 | 24-φ41 | 540 | 859 |
| DN900 | 330 | 1120 | 1050 | 998 | 44 | 28-φ41 | 608 | 905 |
| DN1000 | 410 | 1255 | 1170 | 1110 | 46 | 28-φ48 | 715 |
980 |
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