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    Counter Flow Brazed Plate Heat Exchanger, 250/300 Plate

    $3,518.46
    Counter flow heat exchanger can customize the number of plates and the maximum plate quantity in the series is 250~300. It is brazed from copper or nickel. Heat exchange area of each plate is 0.090, 0.095, 0.136, 0.210, 0.310 square cm. The air to water heat exchanger can be used as condenser and evaporator. Heat exchange capacity is 28~550 kw can be customized. Compared with the shell and tube heat exchanger, plate heat exchanger has the advantages of compact structure, easy installation, high heat exchange efficiency, and maintenance-free.
    SKU: ATO-PHE-250
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    Free Shipping Worldwide
    Delivery date: 6-30 days

    Application Occasion

    • Air conditioner refrigeration system: water to cold medium, cold medium to cold medium
    • Oil pressure system: water to oil, cold medium to oil
    • Industrial cooling system: water to water
    • Heating system: steam to water
    • Air compressor system (cooling system/drying system) : water to oil, water to air, cold medium to air, air to air

    Specification

    Model ATO-PHE-090 ATO-PHE-095 ATO-PHE-136 ATO-PHE-210 ATO-PHE-310
    Max Quantity of Plates* 250 250 250 250 300
    Heat Exchange Capacity 28-180kw 30-200kw 60-200kw 150-450kw 150-550kw
    Heat Exchange Area/Per Plate 0.090m2 0.095m2 0.136m2 0.210m2 0.310m2
    Volume/Per Channel 0.193L 0.21L 0.25L 0.40L 0.75L
    Max Flow 35m3/h 35m3/h 70m3/h 105m3/h 150m3/h
    Channel H H, L, M H H H
    Designed Pressure 3.0/4.5MPa 3.0/4.5MPa 3.0/4.5MPa 2.5MPa 2.5MPa
    Size 568*190mm 617*192mm 490*250mm 739*322mm 985*370mm
    Weight (kg, n is the plates quantity) 4.2+0.40n 4.6+0.44n 6.5+0.42n 13+0.82n 31+1.2n
    Liquid Side Maximum Threaded 2" 2" 3" 4" 5"
    Fluorine Side Maximum Thread 2"1/8 2"1/8 3"1/8 4" 5"
    Distributor H HQ, LQ, MQ HQ HQ HQ
    Flange - - - 3", 4" 3", 4", 5"
    Certification CE
    Plate Thickness 0.4mm
    Designed Temperature -196℃~+200℃

    *Note: With different plate quantity, the price is different. Page price is for reference only. Please contact us for details.

    Dimension Drawing of Counter Flow Brazed Plate Heat Exchanger (unit: mm)

    Calculation method of size A
    Model ATO-PHE-090 ATO-PHE-095 ATO-PHE-136 ATO-PHE-210 ATO-PHE-310
    A (mm) 15+2.4n 15+2.4n 15+2.85n 17+2.85n 20+2.85n
    A (mm) 11+2.4n 11+2.4n 13+2.85n 13+2.85n 20+2.85n

    Dimension Drawing of Counter Flow Brazed Plate Heat Exchanger, Model 090/095/136

    Dimension Drawing of Counter Flow Brazed Plate Heat Exchanger, Model 210/310

    Flow and Channel Diagram of Counter Flow Brazed Plate Heat Exchanger

    Flow and Channel Diagram of Air to Water Brazed Plate Heat Exchanger

    Tips: Counter flow brazed plate heat exchanger troubleshooting.

    Malfunction Cause Solution
    Liquid crossing
    1. Operating conditions did not meet design requirements of the plate heat exchanger.
    2. The residual stress after cold stamping of the plate and clamping size in assembly are too small, causing stress corrosion.
    3. Leakage groove of the heat exchanger plate has a slight leakage, which causes the harmful substances in the medium to condense, corrode the plate, and cause liquid crossing.
    1. Adjust operating specifications of the plate heat exchanger to meet designed conditions.
    2. Clamping dimensions of the heat exchanger during maintenance and assembly should meet requirements, and not as small as possible.
    External leakage
    1. Improper clamping dimensions, uneven dimensions everywhere, or loose clamping bolts.
    2. Part of the gasket is detached from sealing groove, main sealing surface of the gasket is contaminated, gasket is  damaged or the gasket is aging.
    3. Plate is deformed, and displacement occurs during assembly, causing the gasket to run.
    4. There are cracks in plate sealing groove or in the second sealing area
    1. Under pressure-free conditions, re-clamp the device to clamping dimensions provided by plate heat exchanger manufacturer. Pressing size deviation and the parallelism between two pressing plates should be kept within 2mm.
    2. Mark the leaks, then disassemble the plate heat exchanger, and troubleshoot them one by one. When no spare parts are available, temporarily remove the deformed plate and reassemble it for use.
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    Excessive pressure drop
    1. Pipeline of the operating system was not properly purged, and many dirt entered the inside of the plate heat exchanger. Flow channel cross-sectional area of the plate heat exchanger is narrow. Sediment and suspended matter in the heat exchanger are collected at corner hole and backflow area, which results in area of the flow channel there is greatly reduced. Therefore, the pressure is mainly lost in this part.
    2. After the plate heat exchanger is operated for a period of time, the pressure drop is too large due to fouling on plate surface.
    1. Remove dirt or scale from the plate heat exchanger flow channel. For newly running system, clean it once a week
      according to actual situation.
    2. The secondary circulating water is preferably soft water after being softened.
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