DS (3 / 6 / 9) 402 (Y / P) metal to metal bidirectional hard seal butterfly valve
explain:
Butt welded two-way hard seal butterfly valve is a new type of butterfly valve independently developed by our company relying on continuous technological innovation.
purpose:
Butt welded two-way sealing butterfly valve is mainly used in petroleum, chemical industry, power station, metallurgy, paper making, plumbing, light industry and other fields as a device for cutting off and regulating pipelines.
Product features:
The butt welded two-way pressure bearing butterfly valve of our company not only adopts the conventional three eccentric structure, but also combines the movable valve seat principle of the fixed ball valve, which more effectively guarantees the sealing performance when reverse pressure is applied, and truly achieves 100% two-way pressure bearing. The valve body is assembled and welded with formed seamless steel pipe, which can more effectively solve the potential leakage problem of castings. Its unique structure, novel design, easy opening and closing, and long service life.
Product material list
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公称通径 | L | H1 | H2 | A | B |
50 | 150 | 70 | 240 | 60 | 49 |
65 | 170 | 80 | 250 | 76 | 63 |
80 | 180 | 85 | 260 | 90 | 78 |
100 | 190 | 110 | 280 | 114 | 102 |
125 | 200 | 120 | 300 | 140 | 128 |
150 | 210 | 140 | 320 | 168 | 154 |
200 | 230 | 150 | 370 | 219 | 203 |
250 | 250 | 185 | 400 | 273 | 255 |
300 | 270 | 220 | 430 | 325 | 305 |
350 | 290 | 250 | 455 | 377 | 354 |
400 | 310 | 270 | 500 | 426 | 398 |
450 | 330 | 300 | 540 | 480 | 456 |
500 | 350 | 325 | 590 | 530 | 502 |
600 | 390 | 380 | 660 | 630 | 591 |
700 | 430 | 435 | 720 | 720 | 695 |
800 | 470 | 485 | 790 | 820 | 797 |
900 | 510 | 540 | 850 | 920 | 899 |
1000 | 550 | 590 | 900 | 1022 | 998 |