6
MediaValves
DiaphragmValve–VZWM
• Solenoidactivateddiaphragm control valve
• Variousvoltage24VDC, 110/230VAC
• 2/2-waynormally closed, valve closesonvoltage failure
• Differential pressure is required
Design
Connectionsize
[NPT]
Material/seal
Flow rate
[l/min]
Operatingpressure
[psi]
Pilot operated
1/4"...2"
Brass, stainlesssteel
NBR (Standard),
EPDM, FPM
1,400...3,100
145
PistonValve–VZWP
• Simplesturdydesign
• Highworkingpressureusingsmall solenoid coils
• 2/2-waynormally closed, valve closesonvoltage failure
• Canbeoperatedwithair, neutral gasandneutral liquid
Design
Connectionsize
[NPT]
Material/seal
Flow rate
[l/min]
Operatingpressure
[psi]
Pilot operatedpiston 1/4"...1"
Brass,NBR
(Standard), FPM
1,500...11,500
7...580
ForcedPilotOperatedDiaphragmValve–VZWF
• Forced liftedof thevalvediaphragm
• Different pressure isnot required
• 2/2-waynormally closed, valve closesonvoltage failure
• Suitable for cooling, filling, vacuum, liquidgas, bottlingsystems
Design
Connectionsize
[NPT]
Material/seal
Flow rate
[l/min]
Operatingpressure
[psi]
Forcedpilot operated 1/4"...2"
Brass,stainlesssteel
NBR (Standard),
EPDM, FPM
1,800...2,800
0...145
DirectOperatedValve–VZWD
• Highpressure rating
• Direct solenoidactivation
• 2/2-waynormally closed, valve closesonvoltage failure
• Fast and consistent switchingapplications
Design
Connectionsize
[NPT]
Material/seal
Flow rate
[l/min]
Operatingpressure
[psi]
Direct acting
1/8"...1/4"
Brass, stainlesssteel,
FPM
60...400
0...1300
AngleSeatValve–VZXF
• Pneumatically controlled2/2-waynormally closed
• Donot requiredifferent pressurebetween inlet andoutlet
• Suitable for steam, highviscosityup to600mm
2
/s, coursegranular fluids
Maxviscosity
[mm
2
/s]
Connectionsize
[NPT]
Material/seal
Flow rate
[l/min]
Operatingpressure
[psi]
600
1/2"...2"
Redbrass, stainless
steel 304, PTFE/NBR
2,800...47,500
58...145
PneumaticallyPilotedDiaphragmValve -VLX
• Pneumatically controlled2/2-waynormally closed
• Suitable for somehazardous location circuits
Maxviscosity/design
[mm
2
/s]
Connectionsize
[NPT]
Material/seal
Flow rate
[l/min]
Operatingpressure
[psi]
Pneumaticactuator
1/4”...1”
Brass,NBR
2,400...14,000
15...150
ProportionalMediaValve (PinchValve) –VZQA
• Normallyopenpneumaticallyactuatedpinchvalve
• Replaceable cartridgedesign
• FDA compliant
Valvesealmaterial
Connectionsize [NPT] ConnectionTypes
Bodymaterial
Mediapressure [psi]
NBRor EPDM
1/4”...1/2”
Threaded, clamp
316LStainless
aluminum
0...60
