The drive of the shut-off valves landing type "B" has been developed ( Extraction and processing of raw materials )
The valve actuator landing type "B", gear ratio u = 41 has been developed. The drive has a type "B" landing at the entrance and exit. The drive is used as a torque booster. It can be driven by a steering wheel or a low-torque electric drive with a "B" type landing
Rated torque: Hm. Gear ratio number: