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| Q：How does BPHE work? |
| A：Kaori's Brazed Plate Heat Exchanger (BPHE) consists of chevron plates of acid-resistant stainless steel. Every other plate is reversed so |
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the ridges of the herringbone pattern intersect one another on adjacent plates forming a lattice on contact points. When these points |
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are vacuum brazed together, two separate systems of channels for two media flow in counter-current are formed. The lattice structure |
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causes vigorous turbulence, thus , ensuring maximum heat transfer. |
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| Q：What and where are the application for BPHE? |
| A：Kaori BPHE can be used for various medias： |
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• All type of refrigerants ; ammonia will be used for nickel brazed. |
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• Organic solvents |
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• Oil |
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• Various brine solutions ( glycol mixtures , CaC12 , alcohols etc ) |
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Kaori BPHE can be used： |
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• Heat pumps |
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• Industrial chiller; plastic machines, welding machines, hydraulic presses (oil) ,and compressor oil cooling. |
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• Air dryer |
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• Water cooler; drinking water or process water for various industries. |
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•Temperature holding for storage tanks. |
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• Heat recovery including heat recycling from hot steam. |
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• Indoor heating including floor heating. |
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Refrigerant applications, BPHE function as ： |
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• Evaporators 、Condensers 、Super-heaters for gas、Desuper-heaters for gas 、 Subcoolers for condensate 、 |
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Economizers 、 Intercoolers 、 Oil coolers . |
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| Q ：What advantages does BPHE have? |
| A：Kaori BPHE provides many great advantages. |
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• Highly thermal efficiency |
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• Compact size and less weight |
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• High working pressure. |
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• High thermal resistances and high operating temperature. |
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• Lower cost for the same performances. |
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• Lower pressure drop and high corrosion resistance. |
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• No gaskets , no leakages. |
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• Easy installation , easy replacement , less maintenance |
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• Durability. |
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| Q：Does Kaori have any international certificates for BPHE? |
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Certificates from McDonnell Douglas Aircraft Co., U.S.A. |
Certificates from McDonnell Douglas . Aircraft Co., U.S.A |
JIS Marking Approval. |
JIS Marking Approval. |
Certificate of Qualification for UL. |
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Certificate of Qualification for ISO 9001 : 2000. |
Certificate of Qualification for ISO 9001 : 2000.
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Certificate of Qualification for CE. |
Certificate of Qualification for CE. |
Certificate of Qualification for CE.
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Plate Heat Exchanger Division：Awarded with 13 patents of heat exchanger were in Taiwan、China 、Japan、Korea and United States. |
ROHS Test Report |
Russia Certificate |
Russia Gosrt-R |
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| Q：What should I take notice of when using BPHE? |
| A：•Fluid that is explosive , extremely flammable, highly toxicant , highly corrosive, hazardous or etc. cannot apply to BPHE . |
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Examples are ammonia , nitric acid , sulfuric acid , etc. |
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•When unknown quality of water is applied to BPHE , filter and strainer should be place at the water inlet of BPHE to filter |
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out the dirt or large particles. Mesh size of around 20 is suitable for most cases. Blockage of evaporator due to dirt or large |
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particles will reduce the flow rate of water then the water will freeze up, consequently might cause the crack of the BPHE. |
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•Chlorinated water , seawater ,etc. are not suitable for BPHE because it will corrode and damage the BPHE. For example , |
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swimming pool water. |
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•When BPHE works as a condenser, the single-phased (gas) refrigerant enters the condenser at top left connector and |
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the single-phased (liquid) refrigerant leaves the condenser from the bottom left connector. The water enters the condenser |
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at bottom right and leaves the condenser from top right. In water and both fluids are in counter flow direction. |
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•Mounting suggestions：There are four different ways to mount the BPHE： |
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(a) Bottom support (b) Sheet metal bracket (c) Crossbar & bolts (d) Stud bolts |
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| Q：How long is the warranty for Kaori’s BPHE. |
| A：Free of charge if what defects are caused by manufacturing material or manufacturing workmanship. |
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Warranty Period is 12 months after exit factory delivery or else , by contract with the purchaser. |
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Exceptions are ： |
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(1) The failure of malfunction of BPHE is caused by improper or negligent usage of BPHE. |
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(2) Malfunctions from Freezing or icing , flood , fire , or any natural disaster, or accident. |
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(3) Damages cause by improper or faulty installation , or product exposed to corrosive elements harmful to the structure. |
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Brazed Plate 
