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Sewer aerator (vacuum valve) manufactured by RTP. Purpose, advantages, features. When, where and why is it needed. An aerator is an alternative to a waste pipe. Differences between aerators of different diameters. Installation rules. Timecodes: 0:00 Introduction 0:23 Our company's product range 0:38 Purpose of a vacuum valve 1:29 Operating principle of a sewer aerator 1:50 When to install a vacuum valve 2:06 Installing an aerator 3:20 Summary A vacuum valve sucks in air inside a sewer pipe without releasing unpleasant odors. This is done to ventilate the sewer system and to keep the water seals in place when draining large volumes of liquid. Operating principle of the valve. When a vacuum is created in the pipe, a membrane is triggered in the aerator. A hole opens. The missing air enters the system through the hole. The pressure stabilizes. After the water has drained, the sewer has filled with air and the pressure has equalized, the valve closes under the force of gravity. A vacuum valve should be installed in cases where the waste pipe in the system does not work well or is missing altogether. Such situations may occur in places where there are elements of the sewer system. The vacuum valve should be at least 10 cm above the maximum discharge point. If the system is equipped with a floor grate for collecting water, the minimum installation height of the valve is 35 cm above the floor. An aerator with a diameter of 50 mm can handle only a small amount of water. It is installed on the drain pipe from a sink, bathtub, etc. It is installed at the highest point of the pipeline. An aerator with a diameter of 110 mm can handle a large amount of liquid. It is connected to the riser or to the base of the waste pipe. Its advantage is that there is no need to bring the pipe through the ceiling and roof. Buy high-quality and reliable sewer valves on the official RTP website: https://www.rtp.ru #sewerageaerator #vacuumvalve #sewervalve #aeratorforsewerage #rosturplast #rtp