Materials and Applications of Diaphragm Valves
2023-06-21
PFA material characteristics:
Tetrafluoroethylene perfluoroalkoxy vinyl ether copolymer (perfluoroalkyl compound, soluble polytetrafluoroethylene)
English name: Polyfluoroalkoxy
1. Long term use temperature -80-260 degrees, excellent chemical corrosion resistance, corrosion resistance to all chemicals, lowest friction coefficient among plastics, and good electrical performance. Its electrical insulation is not affected by temperature, and it is known as the king of plastics
2. Its chemical resistance is similar to polytetrafluoroethylene and better than polyvinylidene fluoride
3. Its creep resistance and compressive strength are better than polytetrafluoroethylene, with high tensile strength and elongation rate of 100-300% Good dielectric properties and excellent radiation resistance The flame retardant performance is very good
4. Non toxic: It has physiological inertness and can be implanted into the human body
5. Suitable for producing corrosion-resistant parts, wear-resistant parts, seals, insulation parts, and medical device components 6. High temperature wire and cable insulation layer, anti-corrosion equipment, sealing materials, pump valve bushings, and chemical containers
Brand specifications:
Brand: AIRSBC
Place of Origin: China
Material: PFA, PTFE, PDVF.
Valve type: diaphragm valve
Startup mode: manual, pneumatic, integrated manual and pneumatic three-way valves that are normally open and normally closed.
Specification: 1/4-3/8-1/2-3/4-1 inch -1.1/4-1.1/2-2/1“
Installation method: Expansion and bead insertion.
Application industries: semiconductor, solar energy, LCD panel manufacturing, or other industries with ultra-high purity fluid requirements
Application fluids: Hydrochloric acid, nitric acid, hydrogen peroxide, and other chemical fluids with ultra-high purity and anti-corrosion requirements
The valve body is made of high-purity PFA, and all parts in contact with the medium are made of PFA material Parts not in contact with the medium: PFA, PVDF, PTFE, 18-8 SS, etc
Pressure range: 913mbar-5.5bar
Temperature range: 200 ℃
High temperature and corrosion resistance
Suitable for manufacturing solar wafers and flat panels, printed circuit boards and microchip production, chemical dosing supply, and LED production.


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