Difference between turbine butterfly valve and pneumatic butterfly valve

The turbine butterfly valve is a manual valve, requiring manual operation of the turbine box, so as to realize the opening and closing of the butterfly valve, which is mostly installed on the low-pressure pipeline to control the flow of media in the pipeline. The turbine butterfly valve is widely used in a wide range of applications, regardless of the diameter or pressure size, it can be operated by using the turbine butterfly valve. Turbine butterfly valves can be made of soft seal, can also be made of hard seal, can be made of small caliber, but more suitable for making large caliber.

Turbine butterfly valve can be used for people's livelihood, can also be used in the industrial field, the industrial turbine butterfly valve can withstand high temperature, the applicable pressure range is also high, the nominal diameter of the valve is large, the valve body is made of carbon steel, the sealing ring of the valve plate is made of metal ring instead of rubber ring. Large high temperature butterfly valve is made of steel plate welding, mainly used in high temperature medium smoke duct and gas pipeline.

Pneumatic butterfly valve through the compressed air as the power source, drive the valve stem to control the disc disc rotation around the axis, the initial position of the valve according to the actual needs, when the initial position of the valve rotates 90 degrees, it is the end of an action (from open to close, or from close to open), and vice versa for another action (from close to open, or from open to close).

The execution speed of the pneumatic butterfly valve is relatively fast, and it is not easy to be damaged by jamming during the action process, and it does not require workers to do it themselves, which can not only be used as a cut-off valve, but also be equipped with a valve positioner to adjust and control the pipeline medium. Pneumatic butterfly valve actuators are divided into single action and double action forms, double action for ventilation open, ventilation close! The single-acting actuator has the function of spring return, which can be automatically closed or opened in the case of gas and power failure, and the safety factor is high!