تشنغتشو JINGGONG صمام CO. ، LTD.   008618135671959

Metal Seal Quadruple Offset Butterfly Valve

  • Size rangeDN50~2000mm NPS2"~200"
  • PressurePN0.6~10.0MPa Class150/Class300/Class600
  • Body materialductile iron, WCB, LCB, CF8, CF8M, CF3, CF3M, A890 4A, etc.
  • Operationmanual, worm gear, hydraulic, electric, pneumatic
  • معيار: ANSI, API, الدين, EAC, JIS, CE, ISO, AR, GB
  • More than 40 years professional valve manufacturer.
  • Products are exported to more than 72 countries.
  • Products are widely used in petroleum, chemical industry, metallurgy, electric power, water supply, coal gas, natural gas and other industries.
  • High reliability, excellent quality, fast service, online support

Quadruple Offset Design:

Offset 1- axial eccentricity: the rotation center of the valve deviates from the contact plane with the sealing surface.

Offset 2- radial eccentricity: the center of rotation of the valve and the center of the pipeline are not in the same center line.

Offset 3- angular eccentricity: the center of the valve sealing surface forms an angle with the center of the pipeline.

Offset 4- Angle eccentricity: The meshing line on the short side of the sealing surface forms an angle with the center line of the runner.

Main Features:

1.Quadruple eccentric cam design for sealing zero leakage.

2.Bi-directional flowing medium & High-quality sealing effect.

3.Designed in strict accordance with API609 standard. Self-alignment for deformation by different working conditions.

4.According to the requirements of working conditions, the valve seat and sealing ring can produce extremely high hardness and corrosion resistance, with the advantages of erosion resistance, wear resistance, high temperature and high-pressure resistance, long service life, etc.

5.Replaceable sealing pair for maintenance.

6.Small fluid resistance, small installation dimension, small opening/closing torque.

7.Range of working temperature: -45℃~538℃, valve body/disc material such as CS/SS304/SS316/AS can be chosen according to working condition.

8.Connecting type: Flange, BW, Threaded connection.

9.Application: Petroleum and petrochemical, metallurgy, chemical industry, electric power, gas, water conservancy, municipal administration, and construction industries, etc.

Technical Parameters:

Dimensions D344H-25/40C DN50~DN1600
Dimensions D344H-25/40C DN50~DN1600
DN L 2.5MPa
Flange Size Dimension
D D1 D2 b z-Φd Z-W H0 ح A B G
50 108 165 125 102 3 20 4-Φ18 - 82.5 195 50 144 180
65 112 185 145 122 3 22 8-Φ18 - 92.5 215 50 144 180
80 114 200 160 138 3 24 8-Φ18 - 100 215 50 144 180
100 127 235 190 162 3 24 8-Φ22 - 117.5 235 50 144 180
125 140 270 220 188 3 26 8-Φ26 - 135 290 63 200 300
150 140 300 250 218 3 28 8-Φ26 - 180 310 63 200 300
200 152 360 310 278 3 30 8-Φ26 4-M24 185 370 80 230 350
250 165 425 370 335 3 32 8-Φ30 4-M27 215 397 80 230 350
300 178 485 430 395 4 34 12-Φ30 4-M27 250 455 125 260 400
350 190 555 490 450 4 38 12-Φ33 4-M30 285 495 125 260 400
400 216 620 550 505 4 40 12-Φ36 4-M33 330 535 125 370 400
450 222 670 600 555 4 46 16-Φ36 4-M33 345 560 125 370 400
500 229 730 660 615 4 48 16-Φ36 4-M33 390 620 160 398 500
600 267 845 770 720 5 58 16-Φ39 4-M36 445 685 200 418 600
700 292 960 875 820 5 50 20-Φ42 4-M39 545 750 200 418 600
800 318 1085 990 930 5 54 20-Φ48 4-M45 625 870 263 510 700
900 330 1185 1090 1030 5 58 24-Φ48 4-M45 685 965 263 510 700
1000 410 1320 1210 1140 5 62 24-Φ56 4-M52 755 1040 263 510 700
1200 470 1530 1420 1350 5 70 28-Φ56 4-M52 860 1180 333 550 800
1400 530 1755 1640 1560 5 76 32-Φ62 4-M56 1020 1365 374 590 900
1600 600 1975 1860 1780 5 84 36-Φ62 4-M56 1190 1580 374 590 900
DN L 4.0MPa
Flange Size Dimension
D D1 D2 f b z-Φd Z-W H0 ح A B G
50 108 165 125 102 3 20 4-Φ18 - 82.5 195 50 144 180
65 112 185 145 122 3 22 8-Φ18 - 92.5 210 50 144 180
80 114 200 160 138 3 24 8-Φ18 - 100 230 50 144 180
100 127 235 190 162 3 24 8-Φ22 - 117.5 250 50 144 180
125 140 270 220 188 3 26 8-Φ26 - 135 295 63 200 300
150 140 300 250 218 3 28 8-Φ26 - 215 340 80 230 350
200 152 375 320 285 3 34 12-Φ30 - 220 390 80 230 350
250 165 450 385 345 3 38 8-Φ33 4-M30 265 485 125 260 400
300 178 515 450 310 4 42 12-Φ33 4-M30 290 490 125 260 400
350 190 580 510 465 4 46 12-Φ36 4-M33 310 540 125 370 400
400 216 660 585 535 4 50 12-Φ39 4-M36 340 620 160 398 500
450 222 685 610 560 4 57 16-Φ39 4-M36 390 645 200 418 600
500 229 755 670 615 4 57 16-Φ42 4-M39 415 670 200 418 600
600 267 890 795 735 5 72 16-Φ48 4-M45 500 740 200 418 600
700 292 995 900 840 5 64 20-Φ48 4-M45 580 900 263 510 700
800 318 1140 1030 960 5 72 20-Φ56 4-M52 665 975 333 550 800
900 330 1250 1140 1070 5 76 24-Φ56 4-M52 690 1010 333 550 800
1000 410 1360 1250 1180 5 80 24-Φ56 4-M52 755 1090 333 550 800
1200 470 1575 1460 1380 5 88 28-Φ62 4-M56 950 1365 374 590 900
1400 530 1795 1680 1600 5 98 32-Φ62 4-M56 1090 1475 453 635 1000
1600 600 - - - - - - - - - - -
zzjg cases

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