Hot sale Dn500 Butterfly Valves - Anti Theft Flanged Butterfly Valves – CVG

Features
▪ With the dual anti-theft design, the anti-theft effect is excellent, and the valve cannot be opened and closed without a special key.
▪ It can be installed on the tap water pipeline, community heating pipeline or other pipelines, which can effectively avoid the phenomenon of stealing and is very convenient for management.
▪ A concealed clutch device is installed on the internal valve stem. If necessary, unscrew the bolts of the fixed handwheel, insert the special key into the bolt hole to adjust the clutch status, and then operate the handwheel to open and close the valve. After the operation is completed, then screw the bolts of the fixed handwheel
▪ This valve is mysterious as it looks exactly like an ordinary valve.

▪ Test pressure:
Shell Test Pressure 1.5 x PN
Seal Test Pressure 1.1 x PN

Material Specifications

Structure

Special Hand Wheel (Wrench) Butterfly Valves
▪ Only can be opened and closed with a special wrench.
▪ Has the characteristics of simple operation, convenient use and durability.
▪ Can prevent others from opening and closing the valve without permission.
▪ To be Installed on the tap water pipeline or other pipelines to avoid stealing effectively.