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	Softener plants Control valves Pressure vessels Resins Membranes Dosing pumps Iron removal filter     Working method     Accessories Accessories for Iron Removal Plants Non-return valve with check- and shut-off valve Has to be used according to regulations to avoid reflux of conditioned water into the system. Watermeter Measures the flow rate; by means of the measured values the regeneration is released. Corrosion reduction - Dosing mechanism By addition of phosphate- and silicate solutions a protective film is built up inside the piping system. This prevents corrosion and the process of sedimentation. Manometer in front of and behind the filter Manometer in front of the filter display if the necessary minimum net pressure is available. Behind the filter the pressure drop will be indicated.
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