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AIR-OIL HEAT EXCHANGERS WITH ALTERNATING CURRENT ELECTRIC FANS - SERIE AP:
Today the use of air in hydraulic equipment is more and more common.
The benefits are: No water supply required Totally independent of plummed systems Reduced running costs in comparison with
the water-oil exchangers, even if initial investment is higher
Residual warm air can be used for heating
With air-oil heat exchangers the radiator unit is of
aluminium for minimum conduction.
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COMMON FEATURES
When the external temperature is lower than the internal
temperature and a “maintenance free ” system is requested, a
X-LINE air to air heat exchanger is the most convenient choice.
The air to air heat exchanger XVA, with the internal patented
aluminium core, satisfy completely the market request by small
dimensions, very high efficiency and new design.
Four sizes from 16 W/K to 85 W/K heat transmission rate.
They are always supplied with deflectors for the outlet of ambient and enclosure air in order to optimize the enclosure thermal management.
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COMMON FEATURES
The air to water heat exchanger of the EXW series are the
best solution when refrigerated water or water from a cooling
tower is available. With cooling capacities from 870 W to
25000 W, eight models for wall or door mounting and one for
roof mounting, the EXW series is the most complete range
of solutions. The units from 12500 W are built into enclosure
modules for installation on the side of enclosure arrays. There
are versions for the most common power supplies. The wall
mounting units can be installed internally or externally with no
need for mounting accessories. All units are equipped with the
patented system for recovery and evacuation of condensate
(REC). The protection degree rating is IP 55 making the EXW
series the best approach when the enclosures are in aggressive
ambient air.
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DIRECT CURRENT AIR-OIL HEAT EXCHANGERS:
This series of heat exchangers is particularly useful in cooling oleo-hydraulic plant on mobile machinery as it is fitted with direct current 12 or 24 V electric fans. The cooling element is in aluminium, a material of high thermal conductivity, which provides high thermal yield from relatively contained dimensions. The particular conformation of the radiant block is such that APL series heat exchangers are highly resistant to the stress produced by hammering which, however, at peak value, should not exceed the maximum dynamic pressure of 20 bar. The maximum permitted static pressure is 35 bar.
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Apex exchangers are available at 230 or 400 volts. They are optionally fitted with a thermotic valve, with 2 or 3 ways and a progressive opening to eleminate pressure surge or variations in water supply.
This equipment does not need special maintenance.
The unique design of our air/water exchangers allows a compactness of integration, control and perfect temperature stability. They are fitted with a system for the total recovery of condensates.
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The environmentally friendly cooling
+ maintenance-free
+ cooling performances 700...4000 W (L35/L10)
+ space-saving ex /internal & top mounting
+ 19"-units
+ Microprocessor controls
+ environmentally friendly
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Seifert has three types of insert cooler for 19" cabinets in heights of 2 to 6 HU: filterless air conditioners (KG), air/water (RK) & air/air heat exchangers (LT). The units draw the ambient air in from either the back or front of the cabinet. The assembly system ensures easy integration in 19"-electronic systems. High quality tried & tested components ensure smooth operation & a long working life.
filterless maintenance-free
cooling performances 1000/2000 W (L35/L35)
reliable insert-system
air conditioners in 6 HU
heat exchangers air/water in 2/4 HU
heat exchanger air/air in 4 HU
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Air/Oil standard heat exchangers
The range of air/oil heat exchangers has proved to be extremely reliable for a number of different hydraulic oil cooling requirements using the air generated by electric fans, hydraulic fans or, in the industrial sector, by single-phase and three-phase electric fans. The availability of models has now been further extended in order to satisfy all requirements.
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New LAC2 air/oil coolers with AC motor
Up to 20 % higher cooling capacity 160 Kw. The LAC2 cooler is suitable for installation in most applications and environments.
Economic and environmental benefits
- The hydraulic system’s and oil’s useful life is extended
- The hydraulic system’s availability increases, more operating time and fewer shutdowns
- Service and repair costs are reduced
- High efficiency level maintained in continuous operation.
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Lytron's ES Series aluminum oil coolers are engineered for high performance with poor heat transfer fluids such as oils and EGW. The extended surface flat tube design provides 2.5 times better performatnce than competitive units. The unique flat tube and header designs result in lower pressure drop so smaller, less expensive pumps can be used. Welded headers are pressure tested to 150 psi (10.3) bars and the fluxless, vacuum-brazed core provides strength and reliability. The Aluminum Oil Coolers are available with or without a fan plate, and with finish options of aluminum or black paint.
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ASA 0115 :
- Pression de service (statique): 26 bar
- Matière de l'élément refroidisseur: Aluminium
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Air/water heat-exchangers
The FIRA radiators for endothermic motors are designed according to customer needs and are used on tractors, self-propelled cranes, forklift trucks, harvesting equipment and other. The finning can be made of copper with inserted or Mc Kord type high-efficiency profile. Both solutions are available in a wide range of configurations and dimensions, thus permitting optimal choice according to operating conditions (low clogging or high efficiency). It is also possible to include a plate exchanger in the tank for hydraulic oil cooling. Accessories include steel or ABS ducting, expansion tanks, fans and anti-vibration mounts.
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Lytron's heat exchanger technologies include tube-fin, oil cooler, plate-fin, and liquid-to-liquid brazed plate heat exchangers. With almost five decades of experience in heat exchanger design and manufacturing, Lytron's expertise is second-to-none. Lytron's heat exchangers are used in many industries including military and aerospace, medical and industrial lasers, medical imaging, analytical instrumentation, power electronics, semiconductor equipment, machine tools and telecommunications.
Any of Lytron's heat exchanger technologies can be customized to your exact requirements. Lytron also supplies heat exchanger subassemblies, adding fittings, hoses, fans, sensors and other instrumentation to your specification. Lytron's seven heat exchanger product lines with over 130 standard parts ensure that when you need an off-the-shelf part Lytron is likely to have something that meets your requirements.
Lytron’s broad range of heat exchanger technologies combined with almost five decades of thermal transfer experience enables us to offer tailored solutions for a wide range of applications. Our tube-fin, oil cooler, plate-fin, and liquid-to-liquid brazed plate heat exchangers can all be customized and integrated into subassemblies.
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A number of production facilities use lukewarm water to cool machines or production processes. This method is also ideal for cooling the enclosures with Pfannenberg air/water heat exchangers. Radial fans ensure satisfactory air distribution inside the enclosure. This reliably prevents heat pockets. A high fan airflow volume provides satisfactory air distribution inside the enclosure. This ensures that dissipation from components is considerably increased and overall efficiency is improved.
Pfannenberg air/water heat exchangers operate trouble free and require no maintenance.
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When connection to a cold water system is possible these compact high performance air/water heat exchangers can be used to great advantage. Large amounts of heat can be safely dissipated from enclosures (700 to 4000W with a flow rate of 200 l/h). All units are extremely flat.
maintenance-free
cooling performances 700...4000 W (L35/L10)
space-saving ex /internal & top mounting
19"-units
Microprocessor controls
environmentally friendly
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Heat Pipe Heat Exchanger Core Technology
Heat pipe core units are a flexible thermal management system used to interface with duct work and other customized applications. Fin stacks can be tailored to accommodate different air velocities in the ambient and internal loops. All heat pipe core units provide a NEMA 4 and NEMA 12 compliant seal to separate the two air streams. Our engineers can design a broad range of core sizes for your application.
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New in the range of the exchangers air/oil LDC for capacities of cooling up to 130 kw with a delta of 40°C
These heat exchangers OILTECH have electric motor with D.C. current LDC.
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Air conditioners have up to now been used for removing heat generated by communications equipment that installed inside large-scale base station enclosures with a hermetically-sealed heat insulation structure. These air conditioners are very often run throughout the year, which poses a major problem of how to cut down on energy consumption also creating Freon gas. We at Panasonic have developed a cooling system that uses cold air to cool hot air by means of efficient heat exchange, driven by the difference in thermal energy between the air outside the enclosure and the air inside it. This cooling system does not use CFCs.
In response to growing demands for better performance and the further reduction in size of base stations, there is a mounting need for even more compact cooling systems that run at high efficiency and at low noise to provide solutions for handling the heat generated inside. To meet these needs, we at Panasonic provide users with HEXs that are optimally designed to suit the specific needs of each individual customer.
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AKG C and CP Coolers
Oil/compressed air combination coolers for screw compressors with up to 110 kW driving power. Proven AKG cooler models used worldwide. Trust the experience of AKG as the market leader for the cooling of compressors.
CP-Series... for high duty applications in medium and upper performance classes up to 110 kW
C-Series... for medium duty applications in lower performance classes up to 30 kW
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AKG designs and manufactures heat exchangers for nearly all well-known compressor manufacturers. Both for oil and water injection and oil free dry-running air-cooled screw and piston compressors, we can offer system solutions in aluminum, non-ferrous metals or stainless steel. Our coolers impress by their high specific performance with compact construction at a favorable price.
Products
Cooling and lubrication oil coolers
Compressed air-coolers
Gearbox oil-coolers
Engine oil-coolers
Forced air-coolers
Coolant-coolers
Water-coolers
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Custom-built heat exchanging solutions
AKG project manages and manufactures custom-built building machinery for a mul-titude of applications and operational conditions, from front-end loaders via hydraulic excavators to tunnel driving machines.
There are system solutions based on single coolers and cooler combinations, in compact constructions, powerful, in individual, application specific optimized designs.
Products
Water-coolers
Coolant-coolers
Charge air-coolers
Fuel-coolers
Hydraulic oil-coolers
Gearbox oil-coolers
Engine oil-coolers
Lubrication oil-coolers
Coolant media-coolers
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Sandvik Materials Technology is a world leading supplier of seamless heat exchanger tubing in stainless steels and special metals. For critical equipment such as heat exchangers, a high operational reliability is crucial. Our heat exchanger tubes are used in various processing industries, operating under most severe conditions.
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