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Your current location: ProductsAutomatic Control ValvePneumatic Ventilation Butterfly Valve

D641W-1C Pneumatic Ventilation Butterfly Valve

Product overview

Product model: D641W-1C
Nominal diameter: DN50 ~ 2000mm
Nominal pressure: 0.05~0.6MPa
Applicable temperature: ≦425℃
Applicable medium: gas, dust gas, flue gas, etc
Body material: cast steel, stainless steel, chromium nickel molybdenum titanium steel, chromium molybdenum titanium steel and other special materials
Design standard: GB/T12238-1989 JB/T8692-1998
Flange connection size: GB/T9115.1-2000
Structure length: GB/T12221-1989
Pressure test: GB/T13927-1992;
JB/T9092-1999

D641W-1C Pneumatic Ventilation Butterfly Valve product details

D641W-1C Pneumatic Ventilation Butterfly Valve introduction
D641W-1C Pneumatic Ventilation Butterfly Valve produced and sold by Baigang valve group valve body made of the same material into a ring, the use of electric or pneumatic drive. The applicable temperature with the body material selection may be, nominal pressure ≤ 0.6MPa, generally applicable to industrial, metallurgical, environmental protection and other pipe for ventilation regulation of media flow purposes.


D641W-1C Pneumatic Ventilation Butterfly Valve features 
 1, a new design, reasonable, unique structure, light weight, quick opening and closing. 
 2, torque is small, easy to operate, labor-saving smart. 
 3, the use of adaptive materials to meet the low, medium and high temperature of different media and corrosive media.


D641W-1C Pneumatic Ventilation Butterfly Valve dimensions (PN0.5,2.5)


Nominal diameter 
Structure length 

Dimensions  Connection size Pneumatic actuator model
0.05MPa and 0.25MPa
DN inch L H H1 D D1 D2 Zd A W
100 4 120 105 - 210 170 144 4-18 140 70 GTD63
125 5 120 120 - 240 200 174 8-18 140 70 GTD63
150 6 120 132 - 265 225 199 8-18 186 91 GTD83
200 8 140 160 - 320 280 254 8-18 186 91 GTD83
250 10 140 187 - 375 335 309 12-18 186 91 GTD83
300 12 170 220 - 440 395 363 12-22 254 120 GTD110
350 14 170 245 - 490 445 413 12-22 254 120 GTD110
400 16 190 270 - 540 495 463 16-22 254 120 GTD110
450 18 190 297 - 595 550 518 16-22 296 137 GTD127
500 20 190 322 - 645 600 568 20-22 296 137 GTD127
600 24 210 377 - 755 705 667 20-26 296 137 GTD127
700 28 210 430 - 860 810 772 24-26 384 173 GTD160
800 32 210 487 - 975 920 878 24-30 384 173 GTD160
900 36 250 537 - 1075 1020 978 24-30 384 173 GTD160
1000 40 250 587 - 1175 1120 1078 28-30 501 208 GTD190
1200 48 250 687 - 1375 1320 1280 32-30 501 208 GTD190
1400 56 300 700 - 1575 1520 1480 36-30 501 208 GTD190
1600 84 300 895 - 1790 130 1690 40-30 501 208 GTD190
1800 72 300 995 - 1990 1930 1880 44-30 1090 230 AW17
2000 80 300


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