PRESSURE SUSTAINING VALVE ► Pressure sustaining valve is utilized when installing pipes for users. It primarily matches up with the minimum working pressure inside the tap water pipe, balancing up-stream and down-stream pressure during normalcy and emergency, and maintains constant pressure inside the pipe. ► Pressure sustaining valve can sustain the maximum working pressure inside the pipe when installed in water supply areas. ► Pressure adjusting range Pressure sustaining pilot valve. Tap Water Supply System • Control Valve Sustaining Valve Float Valve Pressure sustaining valve is utilized when installing pipes for users. It primarily matches up with the minimum working pressure inside the tap water pipe, balancing up-stream and down-stream pressure during normalcy and emergency, and maintains constant pressure inside the pipe. Flow Chart of Pressure Sustaining Valve Flow rate-Water