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Location:PRODUCTS >> Ball valve >> Pneumatic fixed ball valve
Pneumatic fixed ball valve
Model: Q647F
Nominal diameter: DN50 ~ 500mm
Nominal: PN1.6 ~ 6.4MPa
Temperature: -28 ℃ ~ 300 ℃
Suitable medium: water, steam, oil, nitric acid, acetic
Operation: manual, pneumatic
Structure length by: GB1221-89
Flange size by: GB9113, JB79-59
Test by: JB / T9092-99

Pneumatic fixed ball valve overview

Pneumatic fixed ball valves, pneumatic ball valves, ball valves are two-way valve, the flow of unlimited. The flange is connected with studs, the upper and lower stems are equipped with sliding bearings to reduce friction, the use of labor-saving, smooth. Under normal conditions: when the pressure is low, the valve seat seal relies on the spring pre-tightening force to make the valve seat close to the ball body to seal. When the pressure is high, a piston effect is formed on the valve seat. Under the action of the upstream medium pressure, To seal, fixed pneumatic valve, pneumatic valve, ball valve is widely used in process control system to achieve on or off.

Pneumatic fixed ball valve technical parameters

Valves transfer method Link form structure type Sealing surface Nominal pressure (MPa) Body material
Ball valve 6-pneumatic 
       6s-pneumatic band manual
4-flange
Fixed ball straight F-Fluoroplastic 
       H-alloy steel 
       PPL
1.6 
       2.5 
       4.0 
       6.4
According to the table body 
       material code
Nominal diameter DN (mm) 50-500
Material code C P R
The main parts Body WCB ZG1Cr18Ni9Ti ZG1Cr18Ni12Mo2Ti
Ball board 2Cr13 1Cr18Ni9Ti 1Cr18Ni12MoTi
Valve stem 2Cr13 1Cr18Ni9Ti 1Cr18Ni12MoTi
Sealing ring Enhanced polytetrafluoroethylene alignment poly stupid
filler Polytetrafluoroethylene flexible graphite
Fitness 
       with 
       working
       conditions
Suitable media Water, steam, oil Nitric acids Acetic acid
proper temperature -28 ° C to 300 ° C
Control type Double-acting / single-acting
The role of type Cut / adjust
input signal Electrical signal: 0 ~ 10mA, -4 ~ 10mA gas signal 20 ~ 100kPa
Reply voltage AC220V / DC24V
Working medium Purification compressed gas
Actuator model GT series, HY series, AW series, ZSH series
Air pressure 0.4 ~ 0.7MPa

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Pneumatic fixed ball valve installation dimensions

Nominal diameter DN (mm) Size (mm) Actuator model
1.6MPa 2.5MPa 4.0MPa
L D D1 B Z-φD L D D1 B Z-φD L D D1 B Z-φD
50 203 160 125 16 4-18 216 160 125 20 4-18 216 160 125 20 4-18 Optional GTD / GTE, 
       AW / AWS, HY, 
       ZSH series actuators 
       (the above optional only for the 
       specific election based on actual requirements)
65 222 180 146 18 4-18 241 180 145 22 8-18 241 180 145 22 8-18
80 241 195 160 20 8-18 283 195 160 22 8-18 283 195 160 22 8-18
100 305 215 180 20 8-18 305 230 190 24 8-23 305 230 190 24 8-23
125 356 245 210 22 8-18 381 270 220 28 8-25 381 270 220 28 8-25
150 394 280 240 24 8-23 403 300 250 30 8-25 403 300 250 30 8-25
200 457 335 295 26 12-23 502 360 310 34 12-25 502 375 320 38 12-30
250 533 405 355 30 12-25 586 425 370 36 12-30
300 610 460 410 30 12-25 648 485 430 40 16-30
350 686 520 470 34 16-25 762 550 490 44 16-34
400 762 580 525 36 16-30 838 610 550 48 16-34
450 864 640 585 40 20-30 914 660 600 50 20-34
500 914 705 650 44 20-34 991 730 660 52 20-41


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