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Forced Circulation Systems
Technology | From Israel 
Exporter, Manufacturer, Supplier
 Forced Circulation SystemsForced circulation systems use electrical pumps, valves, and controllers to circulate water or other heat-transfer fluids through the collectors. This enables a high degree of flexibility in the positioning of the system components. For example, the tank can be installed in a basement. In addition, the system can operate with a series of collectors to supply heated water to several large tanks, making it suitable for hotels, swimming pools and other commercial applications. Closed-Loop System   In a closed-loop system, heat transfer fluid circulates through the system tubes and doesn’t mix with the potable water inside the water storage tank. Closed-loop systems are better-suited for colder climates, since the anti-freeze solution keeps the system from freezing. The system’s life span is lengthened by preventing scale buildup inside the collector tubes.Closed-loop systems can be operated in either Forced Circulation or Thermosiphon systems. Central Installations Chromagen’s central installations for home and commercial use, provide heated water in very large quantities by using an array of collectors. The number and size vary according to the water heating requirements. These installations are the perfect solution for apartment buildings, hotels, hospitals and industrial plants. They are generally backed up by conventional energy sources. Central installations can be operated with large storage tanks of over 1000 liters or with small individual storage tanks for each consumption unit.Chromagen has vast experience in the design and implementation of large solar installations. Installations of this type require site specific designs. Not only are these applications resourceful, they also contribute to a healthy environment by preventing air pollution and energy saving.    
Solar Collectors
Product | From Israel 
Exporter, Manufacturer, Supplier
Solar CollectorsOur solar collectors are manufactured by Rand energy systems Ltd. Our solar collectors are manufactured of noble materials, according to a proprietary design. Our collectors offer an unmatched level of efficiency and provide a significantly long life. Collector Diagrham and Data Sheet1. Transparent cover - 4 mm low iron tempered glass with a minimum transmittance of 91.5%.2. Absorber Plate-EL-AT SERIES: 0.5 mm full plate aluminum absorber coated in high efficiency blue sputter Titanium Oxide coating welded by laser to the copper risers.RAL-S and R-S Series: 0.2 cooper strips welded ultrasonically to the copper risers coated in selective chrome coating. RAL-P and R-P Series: 0.2 mm copper strips welded ultrasonically to copper risers coated in special solar paint. 3. Frame - Collector's frame is available in.a) Extruded Aluminum, Anodize, or powder paint in standard grey color. Special color according customer requirements availble. b) Galvanized white prepainted steel. 4. Copper risers - EL-AT series: 8 mm copper tubesR-S, RAL-S, RAL-P, R-P: 3/8",1/2" copper tubes.5. Manifold - EL-AT series: 22 mm copper tubeR-S, R-P, RAL-S, RAL-P: 7/8" 11/8" copper tubes welded to 3/4" BSP female thread adaptors.6. Aluminum foil- 100 microns Aluminum foil to protect polyurethane casting.7. Insulation - CFC Halogen free polyurethane or high density rock wool boards.EL-AT series: unique mixture of glass wool insulation bonded together with CFC Free high density polyhorytane casting 8. Back plate - P.V.C /Polypropylene or Aluminum sheet.All collectors undergo test pressure of 12 bars whereas permitted working pressure is 8 bars .
Solar collectors
Product | From Israel 
Exporter, Manufacturer, Supplier
Collectors |Chromagen has fine-tuned the design and manufacture of solar collectors to an art. Collectors are assembled using quality materials and advanced techniques, which result in highly efficient, durable products you can depend on for years to come. The products are environmentally friendly, remarkably versatile and offer high performance even in extreme environments. The wide range of solar collectors enables Chromagen to provide cost-effective solutions which comply with a variety of international standards.  1 | Absorber Plate | Made of copper or aluminum sheet, laser or ultrasonically welded to copper tubes, ensuring high efficiency and durability. 2 | Absorber Plate Coating | Selective black paint, black chrome or Ultra selective sputtered coating with excellent energy absorption and very low energy emission for high performance even in cooler climates.3 | Insulation | The absorber plate is encased in 23 mm rigid Polyurethane foam, with an option to additional layer of glass wool, retaining the collector’s heat.4 | Solar Glass Glazing | The single-pane 3.2-mm patterned and tempered solar glass has high solar transmittance of 91% and excellent durability.5 | Casings |A. Aluminum All anodized aluminum extrusion casings are made of solid construction available in a natural or black color.5 | Casings |B. Galvanized steel casings are available in black, gray or white polyester paint finish.6 | Tubing Grid | 16mm or 8mm copper risers brazed to 28mm or 22mm copper manifolds with optimal flow distribution.7 |Piping Connection | Four 3/4” BSPP female brass adaptors or clear cut edge for connector brazing.8 |Back Plate | The back plate is made of black polypropylene sheet.9 | Aluminum Foil | The aluminum foil, integrated to the insulation, acts as a barrier against out-gassing. 
Thermosiphon Systems
Technology | From Israel 
Exporter, Manufacturer, Supplier
Thermosiphon SystemsChromagen’s Thermosiphon solar heating system delivers high efficiency and low-maintenance. The system provides hot water after only a few hours of sunlight. This is the eco-friendly answer to a family’s hot water needs. This streamlined system uses natural water circulation and doesn’t require a pump or control unit. It includes a solar collector and a storage tank. All Chromagen systems are supplied complete with connection fittings.Solar CollectorHighly efficient, coated absorber plate, painted galvanized steel or aluminum case, tempered solar glass and polyurethane insulation. Net area: 1.5 – 3.5 sq.m. Solar Storage Tank Solar storage tanks range from 80-300 liters, which have internal steel casing over enamel coating. The external shells are polyester-coated, galvanized steel or aluminum. Also included are the polyurethane insulation and electric backup. Specific to closed-loop systems are heat-exchangers. Meeting Your NeedsChromagen meets customer requirements and provides appropriate collectors and storage tanks according to size. The following table indicates efficient configurations. There may be variations according to output demands and climate. Daily water consumption per individual 30-50LOpen-Loop or Closed-Loop Systems Open-loop systems are both simple and economical. They are best suited for warm regions, because they operate with potable water only. Hot water from the collector mixes with the supply water in the storage tank, so a single freeze could destroy the system. Open-loop systems are not recommended in extreme hard-water areas, since scale buildup in the collectors is likely to hinder their operation.Closed-loop systems prevent freezing and scale buildup. Heated anti-freeze solution from the collector flows into the tank’s heat-exchanger and then returns to the collector. An electric backup makes up the energy deficiency during periods of cloudy weather.Connecting Kit All Chromagen systems are supplied with a connecting kit that includes all the required accessories for installation.Steel StandChromagen supplies a variety of stands and racks for flat or inclined roof installations. Chromagen stands are made of galvanized painted steel to ensure high durability in harsh conditions
Water Heaters
Product | From Israel 
Exporter, Manufacturer, Supplier
Water Heaters |Chromagen is a leading international manufacturer of solar and electric water heaters, combining the most advanced technology and traditional heating methods. Our products incorporate state-of-the-art engineering, rugged construction and select materials, resulting in efficient and durable products.1 | External Coating | Polyester coating provides extreme durability and an attractive finish.2 | Insulation | A thick polyurethane insulation layer ensures optimal insulation and heat retention.3 | Storage Tank | Constructed with thick steel, automatically welded, ensuring precision and permitting a working pressure of 8 bar. 4 | Enamel Coating | An internal glass-enamel layer protects against corrosion. 5 | Electric Element | Energy-efficient electric element with rapid heating time enables the provision of hot water 24 hours a day, 365 days a year. 6 | Sacrificial Anode | Magnesium Anode provides anti-corrosion protection to the pressure vessel. 7 | Thermostat | A built-in thermostat ensures that the water temperature inside the tank does not exceed a preset temperature, while using the electric heating element.   8 | Double Jacket Heat Exchanger   9 | Cold Water Inlet 10 | Hot Water to User 11 | Heat Exchanger Inlet 12 | Heat Exchanger Outlet 13 | Heat Exchanger Safety Valve 14 | * Auxiliary Heating Inlet  
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