Cryogenic Pneumatic Diaphragm Actuator Valve

  • Nominal diameter: DN20 DN32 DN40 DN50 DN65 DN80 DN100 DN125 DN150 DN200
  • Nominal pressure: PN1.6 PN4.0 PN6.4
  • Flanged standard: JB/T79.1-94~JB/T79.2-94
  • stuffing: PTFE ;Teflon asbestos
  • structure: See the picture

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  • cryogenic pneumatic diaphragm actuator vavle
  • cryogenic pneumatic diaphragm actuator vavle
  • cryogenic pneumatic diaphragm actuator vavle
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Valve body:

Type Single seat angle type valve casting ball
Nominal diameter DN20 DN32 DN40 DN50 DN65 DN80 DN100 DN125 DN150 DN200
Nominal pressure PN1.6 PN4.0 PN6.4
Flanged standard JB/T79.1-94~JB/T79.2-94
Material Cast steel{ZG230-450};Cast stainless steel{ZG1Cr18Ni9Ti ZG1Cr18Ni12Mo2Ti}
Valve cover Standard form-17~230℃;low temperature form-60~-196℃;Bellows seal -40~+350℃
Stuffing PTFE ;Teflon asbestos
Structure See the picture

Detailed introduction to pneumatic diaphragm low temperature type regulating valve:
low temperature type, the valve using long-necked tube and bellow sealed structure which can be used for cryogenic -196 occasions
♦ Main technical parameters:
1) nominal size: DN 20-200mm (3/4"~8)
2) nominal pressure: PNMPa1.6\4.0\6.410.0 (ASME Class:150/300/400/600)
3) leakage class: ANSI IV/V/VI
4) flow characteristics: equal percentage, linear  


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