Butterfly Valve - Single-phase 200v Or 380v Three-phase Motor, Two-stage Worm Reduction Mechanism, Semi-automatic Electric-priority Switching

Owing to our years of industry experience and market understanding, we are leading Exporter & Manufacturer of Butterfly Valve in Shijiazhuang, Hebei, China.
The main structural and functional description:
a) Motor: use single-phase 200V or 380V three-phase motors special motor YDF valves.
b) Deceleration 7: two-stage worm, worm reduction mechanism.
c) Stroke control and position indicating mechanism: cam shaft leads directly from the output shaft for 90 A rotation, the limit for the 90 A rotation of the cam also be stroke control. The degree of opening coaxial with the camshaft signs, for 90 A swiveling valve position indication. And provides output signals for remote potentiometer (user in the order presented, generally do not provide).
d) Torque control mechanism: Denso torque for controlling the size of the opening and closing direction of the cam and two micro switches.
e) Hand - electric and manual switching mechanism: semi-automatic electric-priority, and pulled the switch lever can be carried out after the completion of the hand wheel switching operation. When electric operation, shift handle automatic recovery.