Pneumatic four-way valve dynamic images _ pneumatic components factory valve industry

Pneumatic valve pneumatic pneumatic valve spool overview: pneumatic four-way valve is a kind of special used for drying device (pressure swing adsorption (psa) No hot dryer, micro dryer, hot dryer, waste heat dryer, etc. ) , the realization of the twin towers automatic switching of the new valve, pneumatic four-way valve to avoid the original by four film cut-off valve or pneumatic butterfly valve group composed of complex structure, pipe line, large volume, installation is more convenient, easy to damage, cost of diaphragm higher shortcomings. Pneumatic components factory in the valve industry provide pneumatic four-way valve dynamic images so that customers to understand the opening and closing state. Pneumatic four-way valve structure characteristics: 1, the fluid resistance is small, the aerodynamic body and body connection pipe cross section are equal, and aerodynamic body channels connected by arc, medium through pneumatic body, fluid resistance is small. 2, sealing performance: seat USES the elastic deformation and high strength of PTFE material, good sealing performance to ensure the stability of the valve. 3, long service life: valve of the valve core and light neck austenite stainless steel material, choose PTFE seat materials, can achieve good corrosion resistance, prolong the service life of the valve. Working principle of the pneumatic four-way valve, pneumatic four-way valve pneumatic pneumatic valve with the valve stem, the top of the stem through the valve cover, and the lower part of the valve stem has a bar, a reinforcement stuck inside the cover of the port, once the seal leakage occurs, has a certain pressure medium rushed into the body cavity, the valve stem is also under pressure, the design of steel structure, can prevent the valve stem in the inner cavity medium pressure out of the damage caused by accident. Pneumatic four-way valve executive standard: 1, the design and manufacturing: GB/T12237 - 1989; APl608。 2, inspection and testing: GB/T13927 - 1992; APl 598。 3, flange connection: JB/T79] A 2 - 1994; ASME／ANSI B165。 Pneumatic four-way valve dynamic pneumatic four-way valve pictures: electric switch four-way valve _ pneumatic four-way valve