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CN | EN

High temperature control valve (pneumatic)

Technical Parameters

Product model: ZAMGW (P/M)
Nominal diameter: DN20~300mm
Nominal pressure: PN 1.6, 2.5, 4.0, 6.4MPa
Environmental temperature: High temperature type (+250~+450 ℃)
Applicable media: gas, liquid, steam and other media
Connection standards: flange (FF RF RTJ), welding (SW BW), thread (suitable for within 1 ")
Sealing packing: V-type polytetrafluoroethylene packing, V-type flexible graphite packing
Valve core form: single seat, sleeve type

Product Details

Product Overview

The pneumatic thin film high-temperature control valve is composed of a multi spring pneumatic thin film actuator and a low flow resistance high-temperature regulating valve body. The multi spring actuator has low height, light weight, and simple equipment. The valve body flow channel is S streamline, with the advantages of compact structure, light weight, sensitive action, small pressure drop loss, large valve capacity, accurate flow characteristics, convenient maintenance, etc., which can be used in harsh working conditions. Equipped with electric pneumatic valve positioning or pneumatic valve positioner, it can achieve automatic adjustment and control of the fluid medium in the process pipeline. Widely used for precise control of process parameters for gases, liquids, steam and other media, such as pressure, flow rate, temperature, liquid level, etc., to maintain the given values. Especially suitable for situations where small leakage is allowed, the pressure difference between the front and rear of the valve is not large, and the temperature is high.


Main overall connection dimensions

DN(mm) 20 25 32 40 50 65 80 100 125 150 200
L PN16/25 181 184 200 222 254 276 298 352 410 451 600
PN40 194 197 200 235 267 292 317 368 425 473 610
PN64 206 200 210 251 286 311 337 394 440 508 650
H PN16/25 52.5 57.5 75 75 85.5 92.5 100 110 142.5 158 170
PN40 52.5 57.5 75 75 82.5 92.5 100 117.5 150 167.5 187.5
PN64 65 40 85 85 90 102.5 107.5 125 172.5 195 207.5
H1 132 132 158 170 179 214 221 234 270 294 331
H2 350 350 380 380 380 480 480 480 610 610 610
H3 180 180 180 180 180 236 236 236 310 310 310
L1 289 289 289 289 289 347 347 347 476 476 476
A 282 282 282 282 282 360 360 360 470 470 470
D 220 220 220 220 220 270 270 270 320 320 320


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