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Wafer-Style Butterfly Valve
Most wafer-style butterfly valves are engineered with four holes that align with the connected pipeline. The valve is designed to clamp between two flanges in your pipe work. Most wafer butterfly valves fit the majority of flange standards. Why is it called a butterfly valve? Butterfly valves a...Read more -
Flange gasket (2): non metallic flat gasket — PTFE packing gasket
① Introduction of gasket Polytetrafluoroethylene (PTFE) packing gasket is a kind of non-metallic composite cushion, which is generally composed of two parts: the cover and the insert. The main function of the envelope is anti-corrosion, which is usually made of polytetrafluoroethylene. The insert...Read more -
Flange gasket (1)
Structure type of gasket The flat gasket used in industry is generally composed of sealing element and inner and outer strong ring. The sealing element or gasket body is the key part to prevent leakage. The commonly used materials are non-metallic materials, such as flexible graphite, polytetrafl...Read more -
Advantages and disadvantages of butterfly valve
Advantage 1. It is convenient and quick to open and close, with low fluid resistance and easy operation. 2. Simple structure, small size, short structure length, small volume, light weight, suitable for large caliber valve. 3. It can transport mud and store the least liquid at the pipe mouth. 4. ...Read more
