Pressure reducing valve's film case structure

The utility model provides a pressure reducing valve's film case structure, including valve element, the film, gasket under the film, gasket and tightly lock the nut on the film, valve element's bottom and middle part an organic whole respectively are equipped with sealed disc, seal groove about being equipped with respectively on the circumference of sealed disc, be equipped with sealing washer 6 from top to bottom on the seal groove respectively, valve element's upper portion is equipped with the location shaft shoulder, valve element's top is equipped with the external screw thread, gasket under the film, the film, the gasket embolias from valve element's top in proper order on the film, it twists on the external screw thread of valve element's top tightly to lock the nut, tightly lock nut gasket under the film, the film, the gasket compresses tightly on the shaft shoulder of location on the film. The utility model discloses because the film case adopts the integral structure global design, improved the precision of film case, not only make processing technology and assembly oversimplify, reduced the assemble duration, improved part accuracy and intensity in addition, increase of service life.