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Electric wafer type multi-level metal hard sealing butterfly valve

Electric wafer type multi-level metal hard sealing butterfly valve

The electric wafer type multi-layer metal hard sealing butterfly valve adopts a “U”-shaped stainless steel sealing ring, and the precise elastic sealing ring is in three-dimensional eccentric contact with the polished butterfly plate . It solves the disadvantage that the sealing surface of the traditional eccentric butterfly valve is still in sliding contact friction at the moment of opening and closing 0°~10°, and realizes the effect that the sealing surface of the butterfly plate is separated at the moment of opening and the sealing is closed when the contact is closed, so as to prolong the service life and achieve the ideal sealing performance goal.

Therefore, it is widely used in the pipelines of metallurgy, electric power, petroleum, chemical industry, air, gas, combustible gas, water supply and drainage and other corrosive media with medium temperature ≤550℃. It is a device for regulating flow and cutting off fluid.

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Product Features

  1. The butterfly valve is simple in structure, compact, light in weight, easy to install and disassemble, and easy to maintain;
  2. The butterfly valve adopts stainless steel “U” type sealing ring, which has a certain elasticity no matter in the case of high temperature and low temperature, it and the butterfly plate All have excellent sealing performance;
  3. The three-dimensional eccentricity of this butterfly valve has been strictly calculated, and the “U”-shaped sealing ring and the butterfly plate have almost no friction, long service life, and the function of tightening the valve;
  4. The sealing surface of the plate is made of surfacing cobalt-based hard alloy , the sealing surface is wear-resistant and has a long service life;
  5. The butterfly valve has a reasonable structure, and the switch can be completed only by turning the valve stem 90°. The operation is flexible, convenient, labor-saving, not affected by the medium pressure, and the sealing performance is reliable;
  6. High temperature resistance, low temperature resistance and corrosion resistance.

Main shape and connection size

DN L 0.25MPa 0.6MPa H H1 1.0MPa H H1
D1 D2 Z- φd D1 D2 Z- φd D1 D2 Z- φd
50 43 110 90 4-φ14 110 90 4-φ14 70 290 125 100 4-φ18 90 310
65 46 130 110 4-φ14 130 110 4-φ14 80 300 145 120 4-φ18 100 320
80 49 150 125 4-φ18 150 125 4-φ18 110 320 160 135 4-φ18 120 330
100 56 170 145 4-φ18 170 145 4-φ18 130 335 180 155 8-φ18 140 345
125 64 200 175 8-φ18 200 175 8-φ18 145 395 210 185 8-φ18 155 405
150 70 225 200 8-φ18 225 200 8-φ18 160 400 240 210 8-φ23 180 420
200 71 280 155 8-φ18 280 155 8-φ18 185 495 295 265 8-φ23 205 515
250 76 335 310 12-φ18 335 310 12-φ18 220 570 350 320 12-φ23 240 590
300 83 395 362 12-φ23 395 362 12-φ23 300 650 400 368 12-φ23 305 655
350 92 445 412 12-φ23 445 412 12-φ23 310 685 460 428 16-φ23 325 700
400 102 495 462 16-φ23 495 462 16-φ23 330 690 515 482 16-φ26 360 720
450 114 550 518 16-φ23 550 518 16-φ23 360 740 565 532 20-φ25 385 765
500 127 600 568 20-φ23 600 568 20-φ23 380 820 620 585 20-φ25 410 850
600 154 705 670 20-φ25 705 670 20-φ25 425 885 725 685 20-φ30 450 910
700 165 810 775 24-φ25 810 775 24-φ25 470 990 840 800 24-φ30 505 1025
800 190 920 880 24-φ30 920 880 24-φ30 530 1055 950 905 24-φ34 565 1090
900 203 1020 980 24-φ30 1020 980 24-φ30 585 1165 1050 1005 28-φ34 620 1200
1000 216 1120 1080 28-φ30 1120 1080 28-φ30 648 1235 1160 1115 28-φ34 693 1280
1200 254 1320 1280 32-φ30 1340 1295 32-φ34 730 1335 1380 1325 32-φ41 780 1385
1400 297 1520 1480 36-φ30 1560 1510 36-φ34 807 1405 1590 1525 36-φ48 862 1460
1600 318 1730 1690 40-φ30 1760 1710 40-φ34 903 1475 1820 1750 40-φ54 998 1570
1800 356 1930 1890 44-φ30 1970 1910 44-φ41 1080 1820 2020 1950 44-φ54 1150 1890
2000 406 2130 2090 48-φ48 2180 2110 48-φ48 1280 2190 2230 2160 48-φ54 1340 2250

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