fluorine lining gate valve

Fluorine-lined ball valve manufacturers analyze various material uses of fluorine-lined ball valves

by:Lianke Valve     2022-08-28
Fluorine-lined ball valve manufacturers analyze various materials and uses of fluorine-lined ball valves. Fluorine-lined ball valves are professionally designed to control the opening and closing of various strong corrosive media. They are widely used in petroleum, chemical, dyeing, pesticides, acid and alkali production and other industries. , is the ideal choice for anti-corrosion valves. The main lining material of fluorine-lined ball valve - fluorine plastic: 1. Polyperfluoroethylene FEP1. Applicable medium: any organic solvent or reagent, dilute or concentrated inorganic acid, alkali, ketone, aromatic hydrocarbon, chlorine Hydrocarbons, etc. 2. Operating temperature: -85~1503. Features: Mechanical, electrical properties and chemical stability are basically the same as F4, but the outstanding advantages are high dynamic impact toughness, excellent weather resistance and radiation. 2. Polypropylene: RPP1. Applicable medium: aqueous solution of inorganic salts, dilute or concentrated solution of inorganic acids and alkalis. 2. Operating temperature: -14~803. Features: one of the lighter plastics, its yield, tensile and compressive strength, hardness are better than low pressure polyethylene, with outstanding rigidity, good heat resistance, easy to form, Excellent Lian. After modification, it has dynamic impact, fluidity, and bending elasticity. 3. Polyvinyl chloride: rigid) PVC1. Applicable medium: water resistance, concentrated alkali, non-oxidizing acid, chain hydrocarbon, oil and ozone, etc. 2. Use temperature: 0-553. Features: high mechanical strength, excellent chemical stability and dielectric properties, good oil resistance and anti-aging properties, easy welding and bonding, and low price. 4. Polytetrachloroethylene PTFE (F4) 1. Use medium: strong acid, strong alkali, strong oxidant, etc. 2. Operating temperature: -200~1803. Features: It has excellent chemical stability, high heat resistance, cold resistance, and low friction coefficient. It is an excellent self-lubricating material, but has low mechanical properties and fluidity. Poor performance and large thermal expansion. 5. Polyolefin: PO1. Applicable medium: various concentrations of acid-base salts and some organic solvents. 2. Operating temperature: -58~803. Features: It is the ideal anti-corrosion material in the world at present. It has been widely used in the lining of large-scale equipment and pipe fittings for rotational molding. Six. Soluble polytetrafluoroethylene PFA1. Use medium: Use medium: Strong acids, strong bases, strong oxidants, etc. 2. Operating temperature: -50-1803. Features: It has excellent chemical stability, high heat resistance, cold resistance, low friction coefficient, and is an excellent self-lubricating material, but has low mechanical properties and flow Poor performance and large thermal expansion. The performance is better than F4, and the color is transparent and white.
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