The separation process of Spray (PTFE/Hara) Filter is not a simple filtration process like other filters, but more like an adsorption process. The hydrophilic surface formed by the sprayed PTFE material adsorbs and condenses substances, the liquid flows between the fibers, and the impurities are filtered out, while the Hara fiber plays the role of filtering out tiny particles and solid particles. This combination can effectively improve the filtration efficiency and filtration speed, avoid equipment clogging and wear problems, and extend the life of the filter.
Spray (PTFE/Hara) Filter is suitable for extreme working environments, such as chemical, pharmaceutical and food industries, and can provide long-term continuous filtration, effectively protect equipment and improve production efficiency.
Some Parameters of Spray (PTFE/Hara) Filter
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Processing technology
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Type spray PTFE/PFA/FEP/ACTFE
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Internal and external surface treatment
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Spray coating on the inner surface of the filter, sandblasting/painting/polishing on the outer surface Ra ≤ 1.2 μ m
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Material of Spray (PTFE/Hara) Filter
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Filter housing
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SUS304, SUS316L,Carbon steel
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Exhaust&Discharge&Pressure Gauge
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SUS304, SUS316L
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Quick installation bolt group
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SUS304, carbon steel
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Support
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SUS304, carbon steel
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Gasket
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PTFE, fluororubber, fluorine coated
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Operating Conditions of Spray (PTFE/Hara) Filter
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Design pressure
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Working temperature
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Common usable liquids
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≤ 0.6Mpa(Can be used in vacuum/lower negative pressure environments)
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≤200 ℃
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HNO æ (nitric acid) H₂SO₄(sulfuric acid) NaOH (sodium hydroxide) C4H8O (Tetrafluorofuran) CF3COOH (trifluoroacetic acid)
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Connection Form of Spray (PTFE/Hara) Filter
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Barrel connection
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Quick installation bolt group/bolt group
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Import and export
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inner surface lining of flange
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Exhaust valve
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inner surface lining of flange
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Drainage valve
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inner surface lining of flange
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Pressure gauge
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inner surface lining of flange
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Selection Table of Spray (PTFE/Hara) Filter
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Number of filter elements
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length of filter element
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inlet and outlet connection method
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inlet and outlet size
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filter material
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filter element interface type
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sealing ring
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Spray coating
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01
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10
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Flange F/chuck K
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32
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SUS304（T）
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222(2)
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Silicone (S)
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PT
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SUS316L(S)
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226(6)
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Fluorine glue (V)
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215（5）
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EPDM (E)
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M30(M30)
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Nitrile (D)
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Selection table
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Number of filter elements Filter
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element length
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Inlet and outlet size
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Inlet and outlet size
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Filter material
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Filter element interface type
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Sealing ring
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Spraying
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01
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10
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Flange F/Chuck K
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32
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SUS304（T）
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222(2)
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Silica gel(S)
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PT
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SUS316L(S)
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226(6)
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Fluorine rubber（V）
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215（5）
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EPDM（E）
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M30(M30)
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Nitrile（D）
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