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Stainless steel pneumatic valves is actually a general term that encompasses a wide range of types, including stainless steel pneumatic ball valves, stainless steel pneumatic butterfly valves, stainless steel pneumatic gate valves, stainless steel pneumatic globe valves, and more； Probably what most people think of first is the stainless steel pneumatic ball valve, but there are also many types of them. Stainless steel pneumatic valves can be classified by connection method into: stainless steel pneumatic threaded ball valves, stainless steel pneumatic flanged ball valves, and stainless steel pneumatic wafer (thin-wafer) ball valves. Stainless steel pneumatic valves can be classified by thread type as: stainless steel pneumatic single-piece ball valve, stainless steel pneumatic two-piece ball valve, and stainless steel pneumatic three-piece ball valve ； Stainless steel pneumatic valves can be classified by function as follows: single-acting pneumatic ball valves, which are used with a single air pipe – the valve opens when air is supplied and returns to its original position automatically when the air supply is cut off ； The double-acting pneumatic ball valve is used with 2 air pipes; if air enters the left air pipe, the valve opens, while if air enters the right air pipe, the valve closes ； There are also stainless steel pneumatic control ball valves, stainless steel pneumatic shut-off ball valves, and so on. Stainless steel pneumatic ball valves can be classified according to their valve body structure into: pneumatic three-way ball valves, pneumatic three-way T-type ball valves, pneumatic three-way L-type ball valves, pneumatic four-way ball valves, pneumatic O-type floating ball valves, and pneumatic fixed ball valves, among others. In short, when selecting stainless steel pneumatic valves, customers need to confirm the product name, connection method, nominal pressure, sealing material, medium and temperature, as well as any accompanying accessories (solenoid valves, three-way valves, filter-pressure regulators, and positioners for regulated operation). This will ensure a seamless replacement of the stainless steel pneumatic valves in the pipeline. If it is necessary to replace the valve components on the equipment, it is essential to obtain the connection dimensions from the manufacturer – provided by the Valve Technology Department of Sanjing.