Efficient and economical plate and frame heat exchanger

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The plate and frame type heat exchangers are the most efficient and economical type of heat exchanger available on the market with compact space saving design. The standard material for flow plate is stainless steel, optional Titanium and other alloys are available as well. Murphy offers design, supply and installation of heat exchangers and heat exchange systems for applications such as water to water heating or cooling，milk heat recovery pasteurizer, wine and juices chilling of fluids, protection of high-value cooling and heating equipment, pressure breaker, space-limited process expansions, HVAC, heat recovery from low grade waste streams,viscous fluids or slurries, industrial fluids suitable for high heat transfer rates at low pressure drops.
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Gasketed Plate Design
With the large range of plate heat exchangers Murphy has got the optimal technical solution for any possible task, with connection sizes from Ø15 – Ø500 mm covering a liquid flow of 50 l/hour to 2000 m 3/hour. The construction of the inlet part makes a perfect distribution of the liquids across the heating surface. The inlet part is increased and supplied with grooves preventing “dead spots” which may cause the growth of bacteria in the plate heat exchanger. The inlet with groves secures a strong inlet part with a minimum of contact points.
Brazed Plates
Contrary to the traditional plate heat exchanger, the brazed plate heat exchanger does not contain rubber gaskets and can thus operate continously at the temperatures from minus 180℃ up to plus 200℃. The operating pressure can be as high as 30 bar.

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Everything you should know about U bend tube

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  Murphy can make  U bend tube  in our factory according to customer requirements. The elbow is heat treated according to the customer’s requirements, and then hydrostatic pressure test and dye penetration test are performed as needed. U-shaped elbows are widely used in  heat exchanger  systems. Heat exchanger equipment based on stainless steel U bend tube plays an important role in the nuclear industry and petrochemical machinery manufacturing. U bend tube heat exchangers are specially designed for high temperature applications, especially steam condensing or hot oil systems. When the differential expansion makes the fixed tube-sheet heat exchanger unsuitable, and in some cases the floating head type (HPF) cannot be selected, the U bend tube heat exchanger will be selected. The surface of the finished U-shaped elbow should be free from scale and scratches after bending. Dimensional tolerance U-bend pipes are in accordance with relevant regulations of TEMA R.C.B. and ASTM A566 and ASTM
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CLASSIFICATION OF HEAT EXCHANGER ACCORDING TO THE HEAT TRANSFER MATERIAL, SURFACE SHAPE AND STRUCTURE

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1. Metal material heat exchanger Common materials are carbon steel, alloy steel, copper and copper alloy, aluminum and aluminum alloy, titanium and titanium alloy. Because the thermal conductivity of metal material is large, the heat transfer efficiency of this kind of heat exchanger is high. 2. Non-metallic material heat exchanger Commonly used materials are graphite, glass, plastic, ceramics, etc. Because of the small thermal conductivity of nonmetallic materials, the heat transfer efficiency of this type of heat exchanger is low. Often used in corrosive systems. hashtag www.murphyfinnedtubes.com 1. Tube heat exchanger A heat exchanger that conducts heat through a tube wall. It can be divided into shell heat exchanger, coil heat exchanger, tube heat exchanger, fin heat exchanger and so on. 2. Plate heat exchanger A heat exchanger that conducts heat through a plate surface. According to the structural form of heat transfer plate can be divided into plate type, spiral plate
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Spiral plate heat exchanger equipment quality problems.

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Spiral plate heat exchanger equipment can be broken down, mostly because of quality problems. Compared with the heat transfer surface of other heat exchangers, the heat transfer surface of this heat exchanger is quite thin, that is, 0.5mm, and the allowable high corrosion degree is 0.05mm/ year. The material of common spiral plate heat exchanger equipment usually USES alloy material (304 or 316), 304 is the low cost of austenitic stainless steel, has the ability to resist corrosion to a certain range of organic matter, but the ability to resist hydrochloric acid and sulfuric acid is weak. Spiral plate heat exchanger equipment can be broken down, but also because of its own maintenance problems. Spiral plate heat exchanger equipment is an important component of heat exchange technology in process industrial equipment. The resilient gasket that seals between the various helical fins is a vulnerable part and also an easily aged part under natural conditions. Its service life has an impo
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