8
Butterfly Valve Actuator Assembly AWWA – VZSA-A
www.festo.com/us/vzsa-a
• Constructed per AWWA C-504-00
• Complete tested assembly with either double or single acting ¼-turn actuator
• ISO/NAMUR/VDI/VDE interface for accessories
• Bi-directional bubble-tight shut off
• Face-to-face lay length per AWWA C-504-00 class 150B, table 1
Valve Seal
Connection sizes
Temperature range
[°F]
Actuator supply air
pressure [psi]
Media pressure
[psi]
NBR, EPDM [vulca-
nized resilient seat]
3"…24" per AWWA
C-504-00 table2, ANSI
B16.1 class 125
-4...248
[depending on seat
material]
min. 80 DA or
min. 72.5 SA
3"...24" 150
Diaphragm Valve – VZWM
www.festo.com/us/vzwm
• Solenoid activated diaphragm control valve
• Various voltage 24 V DC, 110/230 V AC
Design
Connection size
[NPT]
Material/seal
Flow rate
[Kv]
Operating pressure
[psi]
Pilot operated
¼"...2"
Brass, Stainless steel
NBR (Standard),
EPDM, FPM
1.4...31
145
Piston Valve – VZWP
www.festo.com/us/vzwp
• Simple sturdy design
• High working pressure using small solenoid coils
• Normally close (N.C.) guarantees valve closed on voltage failure
• Can be operated with air, neutral gas and neutral liquid
Design
Connection size
[NPT]
Material/seal
Flow rate
[Kv]
Operating pressure
[psi]
Pilot operated piston ¼"...1"
Brass
NBR (Standard), FPM
1.5...11.5
7...580
Forced Pilot Operated Diaphragm Valve – VZWF
www.festo.com/us/vzwf
• Forced lifted of the valve diaphragm
• Different pressure is not required
• 2/2-way normally closed
• Suitable for cooling, filling, vacuum, liquid gas, bottling systems
Design
Connection size
[NPT]
Material/seal
Flow rate
[Kv]
Operating pressure
[psi]
Forced pilot operated ¼"...2"
Brass, Stainless steel
NBR (Standard),
EPDN, FPM
1.8...28
0...145
Direct Operated Valve – VZWD
www.festo.com/us/vzwd
• High pressure rating
• Direct solenoid activation
• 2/2-way normally closed
• Use for small flow rates and/or high pressure application
Design
Connection size
[NPT]
Material
Flow rate
[Kv]
Operating pressure
[psi]
Direct acting
¹/
8
"...¼"
- Brass
- Stainless steel
0.06...0.4
0...1300
Angle Seat Valve VZXF – 2/2-Way Valve
www.festo.com/us/vzxf
• Pneumatic controlled 2/2-way valve
• Do not require different pressure between inlet and outlet
• Suitable for steam, high viscosity up to 600mm
2
/s, course granular fluids
Max viscosity
[mm
2
/s]
Connection size
[NPT]
Material
Flow rate
[Kv]
Operating pressure
[psi]
600
½"...2"
- Red brass
- Stainless steel 304
2.8...47.5
58...145
1,2,3,4,5,6,7 9,10,11,12,13,14,15,16