Manual gearbox operator via hand wheel to suit butterfly valve series. Gearbox operators are used to make the opening and closing of butterfly valves, in particular larger size valves, compared to a traditional lever operator.
Gearbox adopts precision casting, novel style and beautiful appearance. The worm gear pair is self-locking, using worm gear and worm drive, the worm gear pair is self-locking, and the tapered roller bearing is used, the transmission is more flexible and the efficiency is high.
The connecting part of the worm gear and the valve stem consists of solid and built-in nuts for customers to choose. All flanges adopt the ISO5211 international standard, which is more convenient to match with the valve.
The degree of protection is IP65. Customization is supported for special environments, up to IP68.
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