Check the pneumatic valve to prevent medium upstream

check pneumatic valve, to prevent the backflow medium, generally need to be installed in the pump export pneumatic valve. In addition, the export pneumatic valve must be installed a check compressor. To sum up, in order to prevent the upstream medium, in the device, device or check pneumatic valve should be installed pipe. Generally speaking, in the level of the public and the mm diameter tube is equipped with a vertical lift check pneumatic valve on the road. Straight line on the path of horizontal and vertical elevator control check pneumatic valve can be installed. The hand valves are normally installed in the pump suction vertical pipes, the media a bottom-up process. Swing check pneumatic valve can be divided into the high pressure of work, up to MPa, and DN may be large, up to more than the mm. According to the different materials of the shell and the media and any sealing ring can be applied to any work temperature range. Medium for water, steam, gas, corrosive medium, oil, food and medicine. Medium temperature range for - 吗? ℃. Swing check pneumatic valve installation position is not restricted, usually in a horizontal pipe installed on the road, but also can be in either a vertical or inclined tube pipe installation. Butterfly pneumatic valve if application by low voltage, big, and install restricted situations. Due to the adjustment of pneumatic valve can't do the work pressure is high, but the DN can do many things, can achieve more than mm, but in. MPa under nominal pressure. Butterfly pneumatic valve available in wafer manufacturing, amount is generally installed in the pipeline between two flanges, use in the form of the chip. There is no limit to the adjustment of the pneumatic valve installation, can install on the road in a horizontal pipe, also can be in either a vertical or inclined tube pipe installation. Diaphragm easily hit produce water pipe pneumatic valve, diaphragm can be a good way to get rid of upstream, middle water hammer. Pneumatic diaphragm valve working temperature and limit pressure of diaphragm material, most people use of low temperature pipes, especially for water pipes. The general media - operating temperature 吗? Between work, noradrenaline, pressure & amp; lt; 。 MPa, but pneumatic diaphragm valve can do gave birth to a larger, more DN mm or maximum. Pneumatic diaphragm valve performance loss, due to its waterproof, structure is simple, the manufacturing cost is low, so accustomed to the more frequent in recent years. Ball check pneumatic valve seal is because the earth pneumatic rubber coating body, good sealing performance, reliable quality, resistance to water hammer; In addition, due to the seal can be a single ball, they can make more goals, which will make you big mouth. Coated rubber seals of the hollow sphere, however, does not apply to high pressure pipeline, is only applicable to low pressure pipeline. Pneumatic ball valve shell material can be stainless steel, sealers, teflon coated hollow plastic ball, can make the corrosion medium is applied to the pipes. Change type check pneumatic valve, the operation temperature in - 吗? ℃, and its nominal pressure, §. The MPa, in? Mm within the scope of the nominal diameter.
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