The main features of bevel gear lined fluorine gate valve
fluorine lined ball valve
manufacturers look at the bevel gear fluorine lined gate valve is to put PTFE on the inner wall of steel or iron valve pressure-bearing parts or the outer surface of valve inner parts by molding method, using Its unique properties in resisting strong corrosive media are made into various types of valves and pressure vessels. It is mainly used for various concentrations of aqua regia, sulfuric acid, hydrochloric acid, qing hydrofluoric acid and various organic acids, strong acids and strong oxidants at -50℃～+150℃. Common fluorine-lined materials are FEP (F46), PCTFE (F3 ), FEP is also suitable for use in pipelines with various concentrations of strong alkali organic solvents and other corrosive gases and liquid media. The fluorine-lined gate valve is a common opening and closing valve. It uses a wedge-shaped gate sealed on both sides to connect or cut off the medium in the pipeline. The high-speed flowing medium erodes and accelerates the damage of the sealing surface. FEP(F46), PCTFE(F3) fluorine-lined gate valve is suitable for various concentrations of aqua regia, qing hydrofluoric acid and various organic acids, strong acids and strong oxidants at -50℃~+150℃. FEP is also suitable for various concentrations It is used in pipelines containing strong alkali organic solvents and other corrosive gases and liquid media. Main features: 1. The valve body has two shapes: flat body and round body: GB valve adopts round body, ANSI pound valve DN≤300Lb adopts flat body, DN≥400Lb adopts round body, the inner cavity of valve body and bonnet and The parts directly in contact with the medium, such as the gate plate and the outer surface of the valve stem, are all lined with fluoroplastics such as FEP (F46). 2. The sealing pair is FPF (F46)/FEP (F46) or other material combination, with small friction coefficient and low opening and closing torque. 3. The packing adopts PTFE (F4) standard packing, which has good sealing performance and convenient maintenance and replacement. 4. The elastic gate can compensate for the deviation of the wedge angle between the sealing surface of the gate and the sealing surface of the valve seat, with good fit and ideal sealing effect. 5. The medium can pass through the gate valve from any direction on both sides, which is suitable for the opening and closing device on the pipeline where the direction of the medium may change.
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