YZ-S worm gear box

The series is a 90' partially rotary manual drive unit. Suitable for ball valve, butterfly valve, plug valve, rotary ball valve and other valves. The box is made of precision casting, with novel style and beautiful appearance. Worm gear drive, worm gear pair self-locking, the use of tapered roller bearing shaft, more flexible transmission, high efficiency. All flanges adopt ISO5211 international standards, which is more convenient for reading doors. The protection level is IP65, and IPB8T and immersion mode can be achieved in special environments.