Pneumatic grease sealing high-temperature regulating valve

Pneumatic grease sealing high-temperature regulating valve

Product Model: ZAMGW (P/M)
Nominal diameter: DN20 ~ 300mm
Nominal pressure: PN 1.6, 2.5, 4.0, 6.4MPa
Ambient temperature: High temperature type (+250 ~ +450℃)
Applicable media: gas, liquid, steam and other media
Connection standard: Flanges (FF RF RTJ), welds (SW BW), threads (for less than 1 ")
Sealing packing: V-type PTFE packing, V-type flexible graphite packing
Spool form: single seat type, sleeve type
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Product overview

The pneumatic grease sealing high-temperature regulating valve is composed of a multi spring pneumatic diaphragm actuator (or piston type pneumatic actuator) and a low flow resistance regulating valve body. The multi spring actuator has low height, light weight, and simple equipment. The valve body flow channel is S-shaped, with advantages such as compact structure, light weight, sensitive action, small pressure drop loss, large valve capacity, accurate flow characteristics, and convenient maintenance. The regulating mechanism adopts a balanced valve plug structure, which has good valve stability, low vibration, low noise, and low temperature sensitivity. Especially suitable for situations with low leakage requirements and high temperatures.



Main connection size

  • Nominal diameter
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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