810 series could be smoothly operated for the main drive of two-stage worm wheel and worm. The quiet effect of 810 series can be well shown in environment of 1 phase power supply.

The adoption of epoxy powder electrostatic spraying aluminum case makes 810 series have advantages of lightweight, elegant appearance and excellent corrosion resistance.

The design of automatic reset hand/auto switch of electric priority ensures the manual operation safe and reliable. The hand/auto switch lever is designed not exposed to effectively avoid accidental knocking.

The tridimensional position indicator with bright color helps the consumers easily observe the open degree of valves at a distance or from different angles.

Modular design: Mounting the control package on the basis of the basic type can make 810 series be mechatronics products.

Two-wire system valve position transmitter VPT2: Input 24VDC signal by two wire and feedback 4~20mA signal at the same time(percentage).