ANSI Signal Butterfly Valve

ANSI Signal Butterfly Valve
Diameter size: DN50-600 
Pressure: Class 150 / 300 LB 
Working Temperature: =425?
Suitable Medium: Water, steam etc. 
Body material: WCB / STAINLESS STEEL 
End connection: Wafer / Flange 
Design Standard:GB/T12238-1989
Flange Connection Size:GB/T9113.1-2000;GB/T9115.1-2000;JB78
Structure Length :GB/T12221-1989
Pressure Test:GB/T13927-1992

Feature:
ANSI Signal butterfly valve design uses an eccentric disc, cam mechanism is contact with the switching signal at the end of shaft, effective to provide a signal to open and close the valve, and can output sound and light signals connected to the sound and light facilities, generally used for the fire facilities supporting usage.

1.Special valve body design.  Be easily to operate 
2.Zero leakage when making steam seal testing 
3.Triple offset design makes seal better and the life time about valve will be longer




ANSI Signal Butterfly Valve