LFZ-DQ Electrical Regulating Ball Valve

In HVAC and water system, ball valves are used as automatic control valves. lt has adjustable fow ratio, high reliability and long service life. lt uses graphite to strengthen the valve body sealing ring and double EPDM valve stem sealing ring. lt has integrated valve distribution butterfy inside and is not afraid of reverse pressure difference. lt has the characteristic of equal percentage fow. Its high turn-off pressure is 1.4MPa. The rated working pressure is PN20. The maximum working pressure difference is 0.35Mpa. lt has a manual actuator short-circuit push button. Working temperature is -5 to 121℃. lt is suitable for central air conditioning, hot and cold water supply system, steam humidifcation, etc.