PTFE, PFA, FEP, PVDF Fluoroplastic products industry experts
Brief introduction of PVDF pipe and its wide application
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Company Dynamics
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Release time:
2024-02-23
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Polyvinylidene fluoride (PVDF) pipe is a kind of plastic pipe made of high-performance thermoplastic resin PVDF, which has excellent chemical corrosion resistance, aging resistance and electrical insulation properties. Widely used in chemical, environmental protection, electronics, semiconductors and other industries demanding materials.
2. PVDF Tube Features
PVDF tube has remarkable characteristics because of its unique molecular structure. First of all, it can remain stable in a wide temperature range, the temperature range is usually -40 ℃ to 150 ℃ above, and can resist the erosion of most acids and bases and organic solvents. Secondly, the pipe has high strength, wear resistance and impact resistance, and has good flexibility and weldability. In addition, its excellent electrical insulation performance, non-toxic and tasteless, in line with food grade and medical grade standards, commonly used in pure medium transmission system.
3. PVDF tube use
PVDF tubes are widely used in many fields. In the chemical industry, it is used as an ideal pipeline for transporting corrosive chemicals or high temperature fluids; in the semiconductor and microelectronics industries, it is used as an integral part of ultrapure water systems and chemical storage and transportation systems; in environmental protection projects such as sewage treatment and seawater desalination, As a key component of anti-corrosion and anti-leakage; in addition, it is also widely used in biomedicine, food processing, power, wire and cable sheathing, etc.
4. PVDF pipe connection method
Dankai PVDF pipe connection is mainly achieved through the following ways:
1. hot melt welding: suitable for smaller diameter pipe, using a special hot air gun or hot melt machine to heat the pipe joint to a certain temperature after rapid extrusion joint, forming a solid seamless connection.
2. Flange connection: connected by flange and bolt fasteners lined with PVDF material, suitable for large diameter pipes, ensuring convenient disassembly and reliable sealing.
3. ferrule type connection: for the need for frequent disassembly or rapid installation of the occasion, you can use the ferrule type joint connection PVDF tube, simple operation, good sealing effect.
4. Bonding connection: special PVDF adhesive is used for bonding, which is suitable for non-pressure pipe connection under specific conditions, but it is necessary to strictly follow the adhesive instructions and fully cure to ensure the connection strength.
Regardless of the connection method, it must be carried out in strict accordance with the operating instructions provided by the manufacturer, and ensure that the original physical and chemical characteristics of the PVDF tube are not damaged during the connection process.
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