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Home > Tools > Heat Exchanger

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Counter Flow Brazed Plate Heat Exchanger, 250/300 Plate

$2589.46

Counter flow brazed plate heat exchangers for sale. Maximum quantity of plates is 250 or 300. Heat exchange capacity is 96k~6

SKU: CHN-PHE-250

Free Shipping Worldwide

Delivery date: 6-12 days

Overview
Documents

Medium flow direction is counter flow (the primary and secondary flow direction is parallel and opposite).

Note: Non-standard customized products, for different plate quantities, price is different, the page price is for reference only. Please contact us for specific price.

Specification

Model		CHN-PHE-090	CHN-PHE-095	CHN-PHE-136	CHN-PHE-210	CHN-PHE-310
Max Quantity of Plates		250	250	250	250	300
Heat Exchange Capacity	BTU	96k~610k	102k~680k	205k~680k	510k~1500k	510k~1900k
Heat Exchange Capacity	W	28k~180k	30k~200k	60k~200k	150k~450k	150k~550k
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"
Medium Flow Direction		counter flow
Certification		CE
Plate Thickness		0.4mm
Designed Temperature		-196℃~+200℃

*Channel Form Characteristics

L channel: low heat transfer coefficient, low resistance, suitable for large flow rate and weak heat transfer (low specific heat or small temperature difference), such as air heat transfer under ambient pressure.

H channel: high heat transfer coefficient, high resistance, suitable for small flow rate and strong heat transfer (high specific heat, with phase change or large temperature difference), such as refrigerant phase change heat transfer.

M channel: heat transfer coefficient and resistance are between H channel and L channel.

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

Calculation method of size A
Model	CHN-PHE-090	CHN-PHE-095	CHN-PHE-136	CHN-PHE-210	CHN-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

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

Tips: Counter flow brazed plate heat exchanger troubleshooting.

Malfunction	Cause	Solution
Liquid crossing	Operating conditions did not meet design requirements of the plate heat exchanger. The residual stress after cold stamping of the plate and clamping size in assembly are too small, causing stress corrosion. 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.	Adjust operating specifications of the plate heat exchanger to meet designed conditions. Clamping dimensions of the heat exchanger during maintenance and assembly should meet requirements, and not as small as possible.
External leakage	Improper clamping dimensions, uneven dimensions everywhere, or loose clamping bolts. 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. Plate is deformed, and displacement occurs during assembly, causing the gasket to run. There are cracks in plate sealing groove or in the second sealing area	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. 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.
Excessive pressure drop	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. After the plate heat exchanger is operated for a period of time, the pressure drop is too large due to fouling on plate surface.	Remove dirt or scale from the plate heat exchanger flow channel. For newly running system, clean it once a week according to actual situation. The secondary circulating water is preferably soft water after being softened.

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