Siemens B204UC-GCA161.3U, Standard Temp Commercial Butterfly Valve Assembly, 2-way, 4-inch, 50 psi, Spring Return, Normally Closed, 24 Vac, 0-10 Vdc.
Valve Size: 4 in
Flow Coefficient: 274 Cv
Valve Type: Two-way
Valve Body Style: Rotary-Butterfly
Port Configuration: 2-Way Normally closed
End Connection: Lug
Trim Material: Stainless Steel
Butterfly Disc: Under Cut Disc
Butterfly Heater: No
Medium: Water , Glycol
Max GPM: 1176 gpm
Pressure Class: ANSI 125
High temperature: No
Max. Inlet Pressure (absolute), Liquid: 250 psi
Medium temperature: -20…250 ºF
Close-off Pressure: 50 psi
Valve Actuator Type: Electronic
Control Signal: 0…10 Vdc
Fail Safe: Yes
Supply Voltage: 24 VAC
Auxiliary Switch: No
David Marks –
Butterfly assembly was exactly what my project needed. This pre-assembled unit saved us a lot time and it’s very affordable when compared to the competition.