One-way pneumatic diaphragm pump repair skills

One-way pneumatic diaphragm pump is a member of pneumatic diaphragm pump, pneumatic diaphragm pump structure are similar, so the problems are often the same, so some of the common pneumatic diaphragm pump repair techniques also apply to a single To the pneumatic diaphragm pump repair, the following small series will list one-way pneumatic diaphragm pump some of the common fault maintenance: 1. Pump powerless, pumping speed slow This phenomenon generally has the following conditions, first, reduce the gas pressure. Take a look at the pressure of the inlet pressure gauge, the pressure value of 4 to 7 kg for normal. Then check the position of the gas valve opening, such as the gas source is opened and closed solenoid valve, then check the solenoid valve plastic valve is damaged, resulting in plastic valve can not be fully open. Second, silencer blockage, gas can not be quickly discharged, resulting in slow pumping speed. Third, compressed air, water or impurities too much. Into the diaphragm pump valve blockage after the intake, or stuck with valve. Fourth, with the upper and lower end caps with valve due to the impact of the valve spool often lead to damaged valve cover leakage. Five is the pump inner four ring seal wear and tear. 2. Flow reduction This phenomenon generally have the following situations, one import and export one-way valve (plastic ball) wear smaller. Or a bar, large particles stuck plastic ball. As a result, when the material is discharged from the material discharge port, the liquid material is recharged again and the materials are pressed back from the material supply port. Second, diaphragm diaphragms often stretch the deformation, resulting in smaller volume of the material chamber. Third, black, thick layer of membrane damage. Axis driven not go in place. 3. The pump does not move This phenomenon may have several situations. First, the valve core serious wear stuck. Second, the shaft sleeve wear. At this point should be replaced copper sleeve. Third, both ends of the shaft screw fall. Fourth, both layers of the diaphragm are broken. Five is the diaphragm pump upside down or flat. Spool can not be reversed (first generation and second generation). 4 material inside impurities or oil. This is generally caused by rupture of the diaphragm. 5. Import and export leakage One screw is not fastened, the second is the ball seat deformation or O-ring damage, the third is not at both ends of the pump casing tilt on the hole, resulting in two discharge port or feed port is not in On the same plane. The so-called: Sharpening cut firewood workers! Pneumatic diaphragm pump repair is a great knowledge, in order to have some experience, we must know how to paraphrase Bo, mastery, in order to learn erudite, and constantly improve their own cultivation. Guangzhou IFAT China Water Show article belongs to the building industry interconnect (Xiamen) Co., Ltd. All are welcome to reprint, please indicate the source and author of: Asian pumps Network Editor: Ko Muk available (QQ / micro letter:) starting : Http://beng.liuti.cn/ (Service Hotline:)

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