BUTTERFLY VALVE WITH ACTUATOR DWYER
BUTTERFLY VALVE WITH ACTUATOR
Brand: DWYER
Model: WE20-ISR11-WE
VALVE
[I]: Valve size, 12"
[SR]: Pneumatic actuator type, Spring return
[WE]: Body Type & Liner, Wafer EPDM
Service, Compatible liquids, gases, and steam.
Body, 2-way, wafer or lug butterfly
Pressure Limits, 225 psi (15.5 bar)
Wetted Materials,
Body material: Ductile iron
Disc: 316 SS
Seat: EPDM or PTFE
O-ring: EPDM
Stem: 410 SS
Temperature Limits, Disc: EPDM: -50 to 250°F (-46 to 121°C)
Bearings, Nylatron.
Operator, manual gear
Include
ACTUATOR
Brand: DWYER
Type, SR series is spring return
Normal Supply Pressure, 70 to 115 psi (4.8 to 7.9 bar)
Maximum Supply Pressure, 120 psi (8.6 bar)
Air Connections, 1/4˝ FNPT
Housing Material, Anodized aluminum body and epoxy coated aluminum end caps
Temperature Limits, -40 to 176°F (-40 to 80°C).
Accessory Mounting, NAMUR standard