Product Description
PVDF (Polyvinylidene Fluoride) lined pipes are used in various industries for their excellent chemical resistance, high purity, and mechanical properties. Here are some key points about PVDF lined pipes:
Properties of PVDF Lined Pipes
Chemical Resistance: PVDF is highly resistant to a wide range of chemicals, including acids, bases, solvents, and hydrocarbons. This makes PVDF lined pipes ideal for handling corrosive substances.
Temperature Resistance: PVDF can withstand a wide temperature range, typically from -40 to 150 degree centigrade, making it suitable for various industrial applications.
High Purity: PVDF has low extractables and leachables, making it suitable for applications where contamination needs to be minimized, such as in the pharmaceutical and semiconductor industries.
Mechanical Strength: PVDF lined pipes offer good mechanical strength and impact resistance, ensuring durability and reliability in demanding conditions.
Low Permeability: PVDF has low permeability to gases and liquids, which is crucial for applications requiring containment of volatile or hazardous substances.
UV Resistance: PVDF is resistant to UV radiation, making it suitable for outdoor applications without significant degradation over time.
Applications of PVDF Lined Pipes
Chemical Processing: PVDF lined pipes are extensively used in chemical processing plants for transporting aggressive chemicals and corrosive fluids.
Water Treatment: They are used in water and wastewater treatment facilities due to their resistance to chlorine and other disinfectants.
Pharmaceuticals: The high purity and chemical resistance make PVDF lined pipes suitable for transporting pharmaceutical-grade fluids.
Semiconductor Manufacturing: In semiconductor fabrication, PVDF lined pipes are used to transport ultrapure water and chemicals.
Food and Beverage: PVDF's inert properties and compliance with food-grade standards make it useful for handling food and beverage products.
Installation and Maintenance
Installation: PVDF lined pipes can be installed using standard piping techniques. However, care must be taken to ensure proper alignment and support to prevent stress on the lining.
Maintenance: PVDF lined pipes generally require minimal maintenance due to their durability and chemical resistance. Regular inspections are recommended to ensure the integrity of the lining.
Advantages over Other Lined Pipes
Compared to PTFE: PVDF offers better mechanical strength and UV resistance than PTFE, although PTFE has a broader chemical resistance.
Compared to PFA: PVDF is less expensive and has better abrasion resistance, while PFA offers higher temperature resistance and chemical inertness.
PVDF lined pipes provide a reliable and cost-effective solution for industries requiring robust and chemically resistant piping systems. They combine the strength and durability of a metallic pipe with the corrosion resistance of a plastic lining, offering the best of both worlds for demanding applications.
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