Yongjia Kosen Valve

Rubber Lined Butterfly Valve

Product Description The Rubber Lined Butterfly Valves uses a polytetrafluoroethylene lined butterfly plate with a spherical seal surface. The valve operates light, tight sealing performance and long service life, and can be used for fast cutting or regulating flow. It is suitable for occasions...

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Product Details

Product Description

Rubber lined butterfly valve are used to control non-corrosive or general corrosive and highly corrosive media. The valve body is lined or covered with optional fluoroplastics and various rubber, suitable for various operating temperatures and fluid pipes.


Material introduction

Main lining materials for rubber-lined valves [butyl rubber, natural rubber, EPDM, chloroprene rubber, nitrile rubber, fluorine rubber, silicone rubber, hard rubber, soft rubber

Suitable medium for rubber lining

Hydrocyanic acid, 50% fluorosilicic acid, hydrochloric acid, 30% sulfuric acid, 50% hydrofluoric acid, 85% phosphoric acid, alkali, salts, plating solution, sodium hydroxide, potassium hydroxide, neutral saline solution, 10% sodium hypochlorite, wet chlorine, ammonia, most alcohols, except for strong oxidants (such as nitric acid, chromic acid, concentrated flow acid, hydrogen peroxide, etc.)and organic solvents Organic acids and aldehydes, cement, lime slurry, vegetable oil, elemental gases, ethers, ketones, esters, desalted water, purified water and other media;


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