Motorized Valve G3/4" 4Nm 0-10v/ 4-20mA Control Electric Valve 2 Way DN20 Proportional Motorized Valve For Flow Regulation ,Easy to Install

Adjustable flow ratio, high reliability, high life, Equal percentage flow characteristic. Rated working pressure PN40. With manual actuator shorted button. -5 To 121 ° C operating temperature.