MY-LH worm gear box

The series is a 90° partially rotary manual drive. Suitable for ball valve, butterfly valve, plug valve, rotary ball valve and other valves. When cutting off the air source can be manually operated, using worm gear drive, worm gear pair self-locking, the use of conical roller bearing shaft, more flexible transmission, high efficiency. Pneumatic operation can be switched to separate manual operation. All flanges adopt ISO5211 international standard, which is more convenient to match with the valve.