HRSFUNKE Heat Transfer FZE Dubai

HRSFUNKE hot water calorifiers are designed for use with any primary heating source, for example a solar system or boiler, to provide hygienic water for a wide range of applications. Direct heating sources like solar and boilers can affect water quality so that an isolating medium such as an HRSFUNKE hot water calorifier is required. HRSFUNKE hot water calorifiers provide hygienic hot water, by using specially designed copper U-Tube heat exchangers. The calorifier will use the primary side hot water as an indirect heating source and will transfer energy to the cold water side.  Electrical heaters can also be used with HRSFUNKE hot water calorifiers either as back up or to meet peak demand.

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Air and Oil Cooler A wide range of standard units can now meet most of the applications in the field of oil / air cooling units. 17 sizes of the OKAN series are available with a maximum heat dissipation of 6.2 kW/K, subject to market requirements, in one or multi-pass design options.  Additionally, for plant engineering and for series producers we are developing project related special designs. Applications Cooling of oils, hydraulic fluids and emulsions using ambient air - especially in the fields of mechanical engineering, plant engineering, building machinery and the special automotive industry. Used as additional coolers at peak loads ie in the summer. Where water is not available or piping is too expensive the basic element is an aluminium cooler core - bar and plate construction. Oil tubes are fitted with a turbulence element to ensure an optimum heat transfer. The fan mounted behind the core is usually a suction fan.

HRSFUNKE heat transfer plates are characterised by optimum embossing, which leads to high heat transfer coefficients. This results in a low cost heat exchanger which achieves the best possible performance irrespective of the application conditions. Our product range includes single-pass and multi-pass plate heat exchangers with a heat exchange surface of up to 2000 m². In the field of plate heat exchangers HRSFUNKE offers a sophisticated range of products able to meet almost any requirement in machine and plant engineering. HRSFUNKE’s special “off-set” system with asymmetrical flow gaps creates highly efficient and cost-effective units whose performance (depending on design) is up to 17 percent higher when compared with conventional plate heat exchangers. The “HRSFUNKE” brand stands for highest quality standards and customer-oriented solutions.  Technical Data: Heat exchange surface per plate: 0.04 - 3 m² Maximum design pressure: 25 bar Maximum design temperature: 195°C Plate material: standard: stainless steel 1.4404/AISI 316L, 1.4401/AISI 316, 1.4301/AISI 304 Option: 1.4539, 254 SMO, titanium Gasket material: NBR (nitrile-rubber) EPDM (ethylene-propylene-rubber) Viton(fluorine-rubber) Further materials on request Safety: Our plates are provided with double gaskets at the inlet and outlet which prevent mixing of the two media. If designed as a safety heat exchanger, double plates are provided with a special sealing system. Design Function Fixed plate Pressure plate Support Carrying beam Lower - plate guide Carrying Roller Tightening bolt Fixing bolt Rubber Liner Gasket Heat - transfer plates

The benefit of choosing to install a solar powered hot water system is significant when viewed over the long term since after the initial investment hot water generation is free. A solar thermal hot water heating system is an efficient, effective and environmentally friendly way of heating hot water.  HRSFUNKE offer two solar panel options - flat plate or evacuated tube collectors. Dependant on the local climate, both options offer a good solution for solar hot water generation. The flat plate type offers longevity of operation and is more suitable for installations in the Middle East due to higher working temperatures and efficiency. For locations where there is less sun the evacuated tube may offer better benefits than flat plate collectors due to the year round efficiency of glass tubes. Flat Plate Collectors The HRSFUNKE flat plate solar thermal collector consists of a copper riser tube structure, fitted to a flat absorber plate. The absorber plates are highly efficient, and are made of specially designed Tinox Selectice or Black Chrome according to requirements. The absorber plate on standard flat plate solar thermal collectors are generally painted black or black in colour. The black surface is most efficient at absorbing solar radiation and converting it to heat, it is also highly efficient at reradiating long wave infrared heat back out. The collector structure is manufactured from stainless steel or anodized aluminum and the collector base is manufactured from weather resistant aluminium or galvanized sheet with 35mm glass wool rear insulation. The glass cover is highly transparent, made from low iron, tempered glass.

The HRSFUNKEBlock FPB and HRSFUNKEFlex FPF welded heat exchangers are the perfect solution when it comes to high temperatures and aggressive media. These types of heat exchangers are used, for example, in heat recovery or condensing processes in refineries, in the chemical and pharmaceutical industries and in a wide range of other industries. Due to their compact design, with very large heat transfer surfaces, these types of heat exchangers have extremely low space requirements and are also easy to service. The media used in the heat exchange process are supplied and drained through nozzles installed on the covers (FPF) or by casing plates (FPB). The media flows through the plate assembly in a cross flow / cross counter flow pattern, with heat from the hotter medium being transferred to the cooler medium. On account of the turbulent thin layer flow present, this heat transfer is substantially more effective than for other heat transfer models. Baffles can also be employed to ensure that the media pass through the heat transfer process repeatedly. DESIGN The plates of the FPB Heat Exchangers are based on the proven technology of the HRSFUNKE FP-series. A cassette is made of two corrugated heat exchanger plates which are assembled at an 180° angle to each other. Back to back these are laser welded along the sealing groove provided for the gasket. The aggressive medium or the refrigerant runs through the inlet aperture in this sealed flow channel between the plates. In the entry zone, the grooves of the plates have a special pattern so that the medium can freely run into the cassette. On the outside, each cassette is fitted with a gasket. When the critical medium passes from one cassette to the other, only two of the four ring gaskets at the apertures come into contact with the medium. These two ring gaskets are made from specially designed, highly resistant material. To ensure flawless sealing these specially designed gaskets are twice as thick as conventional gaskets. Furthermore, in the entry zone of the medium the profile of the gaskets are tapered onto the sealing ring and bridging piece. The flow gap of the less critical medium between the single cassettes is sealed with application specific gaskets of a proven quality. The gaskets are mounted with the completely reliable “T- Clip- System”. In the entry zone of each medium double welding seams and double gaskets between the cassettes guarantee for a leak free operation without any danger of mixing of the media HRSFUNKE FLEX FPF DESIGN The HRSFUNKEFlex is a welded plate heat exchanger with removable, sealed covers whose core consists of a welded plate assembly. Like all parts that come into contact with the media, this core is made of stainless steel and, in contrast to the standard casing, can be tailored to meet specific demands. The standardised design of the compact HRSFUNKEFlex stands out thanks to its flat cover, its extremely efficient heat transfer and its high, specific heat surface density m² / m³ of free space. A main feature of the FPF is also its ability to be easily cleaned. Using the types of plates available for welded plate assemblies - tubular, chevron and dimple, the demands dictated by the flow paths and properties of various media and applications can always be satisfied. Seals can be selected as appropriate, based on their resistance against the media or temperature.  TECHNICAL DATA: maximum permissible operating pressure 40 bar g minimum permissible operating pressure - 1 bar g maximum permissible operating temperature 600°C minimum permissible operating temperature -40°C