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Underfloor Heating - Underfloor Heating Materials
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Interplast manufactures plastic pipes and fittings to the very highest specifications, for use in a broad range of applications in construction and technical projects in general. In the sector of underfloor heating, which ensures the basic requirements of modern life, namely comfortable and healthy living in warm coziness in the modern home, Interplast offer the following materials for an integrated underfloor heating system:
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Plastic pipe manufactured from special type polyethylene resistant to high temperatures with oxygen barrier. The production and the quality control of the pipe are in accordance with European Standard EN ISO 22391 and German standard DIN 16833. The physical and mechanical properties of the pipe are certified by German Institute SKZ, certificate number A 401. The oxygen barrier is certified by German Institute MPA – NRW according to standard DIN 4726. The pipe’s cross section for the underfloor system is 17 x 2 mm.
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Bar type manifolds of nickel-plated brass, without connections, nominal diameter 1” or 1¼’’ with 3/4” threading (Eurocone). The flow manifold bears Alen type valves or flow meters, which regulate the supply of each circuit based on the system's design. The return manifold has a valve for the installation of thermoelectric actuators, for the independent operation of each circuit.
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These are advanced devices that exploit the energy offered by the environment and utilize it for the heating and cooling of any house. Air-to-water heat pumps “pump” the energy from the external air and heat the water that runs through the circuits of the underfloor heating. Correspondingly, in the summer they produce cold water, which we use to cool the house.
They are especially designed for use in underfloor heating and cooling systems guaranteeing maximum performance (COP up to 4.1) with the lowest power consumption.
They are available in a broad range of capacities from 5 to 40 kW, covering all installations.
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Brass fittings are available for the entire range of materials, for the integrated installation of the group. Among them: Connecting coupling Φ17x2 – ¾”(Eurocone), terminal ‘T’s, automatic daerators, filling valves as well as special couplings for installing thermometers at returns and the central intake.
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Metal panel, suitable for wall mounting, constructed from galvanized steel, 1mm in width, painted with electrostatic paint. It is adjusted to a height of up to 815 mm. Bears an adjustable removable frame for protection from the plaster, which sets the panel depth from 115 to 165mm.
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Manufactured of expanded polystyrene with polyethylene film and special arrangement on its surface (plugs). The panel offers heat insulation, sound insulation and humidity insulation from the plaster coating. It ensures that the pipe is perfectly supported and covered by the plaster coating. It allows that the layering distances of circuits are observed at a 7.5cm and 15cm step. Item dimensions are 1350 x 750 mm2 and they are available in boxes of 14.. The panel’s compressive strength is 150kPa according to EN 826. The total height of the panel (plub + base) is 4.5cm. The thermal conductivity factor is 0.034 w/mK and thermal resistance is 0.4m2k/W.
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Manufactured from polyethylene foam 8mm thick and 150mm high. It has nylon film on the lower part of its front and a special fixing adhesive strip on the back.
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Special joint fillet 1000 x 120 x 15 mm
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Clip type used for fixing the pipe to the panel, when required.
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To simplify the installer’s task of laying the pipes, Interplast provides a special decoiler for carrying long pipe lengths (600m). The decoiler is lightweight for easy transport in indoor areas and is painted with electrostatic paint.
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Improves the thermal concrete mix, increasing strength, watertightness and plasticity. This results in easier pumping and pouring.
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These reinforce the concrete and protect against cracking while increasing tensile and compressive strength, resulting in improved strength of the thermal concrete and mitigating problems related to temperature changes.
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For the main water paths, Interplast offers the Aqua – plus pipe with aluminium. With all the advantages of the PP-r pipes plus the elimination of linear expansions due to the aluminium sheet. The integrated range of fittings (‘T’s, angles, etc.) ensures simplicity in the installation and an aesthetically pleasing result.
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The use of a four-way mix valve allows an initial setting of the hot water temperature supplied by the boiler (approximately 50°C). After the four-way, a three-way mix valve is installed on the flow line of each group of manifolds, reducing again, and differently for each manifold, the temperature of the water we direct into the floor.
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This is installed on the three-way mix valve where, with the aid of a sensor, the desired feed water temperature is set (15-70ºC). We are also able to adjust the time intervals (recommended time: 30 sec) at which the sensor commands the electromotor to balance the feed water temperature.
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This interrupts the circulator‘s operation when the water temperature exceeds the maximum desired setting.
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Thermoelectric actuators are connected through a communication base with the corresponding thermostat and open or close the underfloor heating circuits. In this way we can achieve independency in the areas of a house and as a result more economical operation and selection of different temperatures in each heating space.
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It is controlled by the thermostats and is connected to the thermoelectric actuators on the manifold to open and close the circuits depending on the desired temperature in each space.
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This starts or stops the circulator with the required time delay when the thermostats give start and stop heating commands to the thermoelectric actuators.
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Thermostats operate as transmitters and the base as receiver, giving commands to the thermoelectric actuators on the manifold to open and close the circuits without the use of wires. This is an intelligent and flexible solution for cases when we wish to install at a later date separate thermostats to control the desired temperature in each space without the need to install communication cables.
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Recognizes ambient temperature with a sensor and interacts with the three-way mixing valve and the heating circulator. In this way we prevent the system’s inertia according to the environment’s temperature changes, achieving more economic operation of the heating.
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The thermostat, which reacts to temperature changes with up to 0.1oC accuracy, we achieve the desired space temperature. This way we achieve a tenfold increase of temperature accuracy compared to common thermostats.
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