Nitrogen seals compound film sheet of valve

• Main Authors: Li Jinshan, He Dongming
• Format: Patent
• Language: Chinese; English
• Published: 10.08.2016
• Subjects: LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; PERFORMING OPERATIONS; TRANSPORTING

The utility model provides a nitrogen seals compound film sheet of valve is disclosed, including the membrane body, the membrane body includes upper strata and lower floor, the membrane body is circular, membrane body center is equipped with big through -hole, it has a plurality of little through -holes to surround big through -hole evenly distributed on the membrane body, the upside on upper strata is equipped with the annular gasket I of circle, the downside of lower floor is equipped with the gasket II that big or small shape is equal with gasket I. This compound film sheet adopts bilayer structure, and the upper strata has good corrosion resistance, and the lower floor has nice pliability for the compound film sheet combines advantage between them, have enough anti -corrosion?performance's the condition under, guaranteed the pliability, ensured the performance of valve, pressure in the control storage tank that can be more accurate. 本实用新型提公开了种氮封阀的复合膜片，包括膜本体，所述膜本体包括上层和下层，所述膜本体为圆形，所述膜本体中心设有大通孔，所述膜本体上环绕大通孔均匀