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What kind of metering pump?
[Asia pump network hearing] metering pump is divided into plunger metering pumps and diaphragm metering pumps, electric plugs are now only metering pumps and electric diaphragm metering pumps to compare. Dosing pump piston pump is the DC motor driven piston complex movement of the liquid inhalation, after the discharge pressure, due to its exposed plunger, and the piston in the liquid work, under the action of the liquid plunger wear very fast, once equipped Larger diameter of the nozzle, the plunger reciprocating frequency increased, exacerbating the plunger wear. Short life of the machine. The replacement of the plunger price is very expensive, if the voltage is not normal will also lead directly to the working DC is not normal. In addition, due to the large back and forth reciprocating motion, plunger pump work pulsation, making the flow instability. The initial suction pump piston pump is its advantage. Diaphragm metering pump, the design based on the plunger pump has been greatly improved, the principle is driven by the motor piston reciprocating work (note that the piston does not directly contact with the liquid), and then promote the diaphragm movement, the liquid absorption pressure After the launch, due to its piston in the anti-wear oil work environment greatly optimized, greatly improved life expectancy, after the infiltration hardened piston is not easy to damage, with high polymer materials made of high anti-twist diaphragm to diaphragm pump Life expectancy further improved. Reliable operation is another advantage of the diaphragm pump, the failure rate is very low, low voltage requirements, low environmental requirements, easy maintenance, maintenance costs only about one-fifth of the plunger pump. Diaphragm pump cost-effective, its excellent cost performance will promote the diaphragm pump promotion. Further Reading: pump valve pipe fittings Exhibition 2016 Exhibition of Information Industry, Internet (Xiamen) Technology Co., Ltd. Author: Asian pumps Network Editor: Yao Xiaoxia (QQ / micro letter:) http://beng.liuti.cn/ (Hotline :)