Signal gate valve, signal butterfly valve is often used in automatic sprinkler fire line system, to monitor the water supply line, can remotely control the valve opening.Lifting stem gate valves and equipped with opening indicator gate valves are also often used in fire protection systems. If the installation position of gate valves is higher from the ground, the lifting stem gate valves are generally used to clearly indicate the opening of the valve. If the installation is lower, the opening indicator gate valves shall be attached.

Product model: RVHX/Z45X
Nominal diameter: DN50~1200mm
Nominal pressure: PN1.0~ 2.5MPa
Applicable temperature: 0~80℃
Suitable medium: water
Main material: cast iron, carbon steel, etc