Classification and characteristics of pneumatic pneumatic ball valves Pneumatic pneumatic ball valves are a set of devices equipped with pneumatic actuators, solenoid valves, limit switches, air supply triplets and other accessories. Only need the pneumatic actuator to rotate 90 degrees with the air source and a small rotating torque to close tightly. The completely equal inner cavity of the valve body provides a straight flow passage with little resistance for the medium. It is generally believed that pneumatic ball valves are most suitable for direct opening and closing, but recent development has designed pneumatic ball valves to be used for throttling and flow control. It is convenient for pneumatic and pneumatic ball valves to control the opening and closing of valves in a unified way.

Stainless steel pneumatic butterfly valve joint knowledge collection
Stainless steel pneumatic butterfly valve joint is an important connecting part in engineering technology, which is composed of corrugated flexible pipe, mesh sleeve and joint. As compensation elements, sealing elements, connecting elements and shock absorbers of various gas-liquid pipeline systems, as well as length, temperature, position and angle compensation systems, they are widely used in aerospace, petrochemical, mining electronics, machinery and shipbuilding, medical and health, textile electronics, energy establishment and other fields.
Stainless steel pneumatic butterfly valve joint has two kinds of bellows, one is spiral bellows, the other is annular bellows.
The connection mode of stainless steel hose connector is divided into flange connection, screw connection and quick connection. Small diameter stainless steel hoses are usually connected with screws for quick connection, while large diameter stainless steel hoses are usually connected with flanges.
The stainless steel pneumatic butterfly valve joint is made of austenitic stainless steel or according to the data requested by the user. It has excellent flexibility, corrosion resistance, high temperature resistance (- 235~+450~#) and high pressure resistance (32MPa). It can be connected in any direction in the pipeline to compensate temperature, absorb vibration and reduce noise and change. Double flange metal flexible joints are especially suitable for flexible joints of pumps and valves with displacement and vibration.