Pneumatic Diaphragm Control Valve, DIN 3202 F1, DN80

Specifications:

Body material: WCB. 
Diaphragm: PTFE+EPDM
Nominal diameter: DN80
Pressure: PN10. 
End connection: RF Flange
Face to face: DIN 3202 F1. 
Working Medium: Water

 

Product Range:

Body Materials: Carbon Steel, Cast Iron, Stainless Steel
Diaphragm Materials: PTFE(Teflon), EPDM, Natural rubber (NR), Nitrile (NBR), Butyl (IIR)
Max. temperature:    -10°C to +175°C (depending on diaphragm - 214/300 max. +150°C)
Max. pressure:    16 bar DN15-50, 10 bar DN65-125, 7 bar DN150
Face to face:    DIN 3202-F1 (EN558-1, Series 1)
Connection:    Flanged connection EN1092-1 PN 10/16
Options:    Pneumatic or electric actuator


Pneumatic Diaphragm Control Valve Drawing:


Air-to-open valve with fail-safe action: Fail-close
The springs "close" the valve when the pressure acting on the actuator diaphragm is reduced or upon air supply failure. The valve
"opens" as increasing pressure opposes the spring force.

Air-to-close valve with fail-safe action: Fail-open
The springs "open" the valve when the pressure acting on the actuator diaphragm is reduced or upon air failure. The valve "closes" as increasing pressure opposes the spring force.