Pneumatic one - way diaphragm pump common faults and solutions

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[Asia Pump Network News] diaphragm pump, also known as control, is the main type of actuator. Pneumatic one-way diaphragm pump generally consists of actuators and valves. Pneumatic one-way diaphragm pump performance is excellent, with self-priming pump, submersible pump, shield pump, mud pump and impurity pump and other transport machinery, many advantages, can transport some difficult to flow medium. Instrument failure is inevitable, and now let Xiaobian to introduce you to the pneumatic one-way diaphragm pump common fault and its solution. Pneumatic one-way diaphragm pump common faults and solutions Pneumatic one-way diaphragm pump common fault situations are as follows: 1. Noise 2. Leakage 3. No cycle 4. Fast cycle / low flow 5. Slow cycle 6. Irregular cycle 7. Parts Damaged 8. Other pneumatic one-way diaphragm pump failure reason and the corresponding correct maintenance measures All the specific terms in the manual are explained as follows: A / Piston: Aluminum cylinder enclosed in the air valve to control the air flow B / air valve: plastic Or metal valve housing is secured by four screws to the center of the pneumatic unidirectional diaphragm pump C / Static discharge head: vertical distance (in meters) from the center line of the pneumatic unidirectional diaphragm pump to the point of free delivery D / Cavitation : Pump discharge below nominal due to reduced or lack of fluid supplied to the pump inlet In fact, the fluid chamber is not filled with fluid prior to discharge E / Specific Gravity: Ratio of fluid weight to water weight at 4 degrees 4 degrees The specific gravity of the water is 1.0, the static suction head --- the vertical distance from the inlet to the pump center line, the pump should be above the liquid level F / inlet pressure: The inlet is measured in Bar, including the specific gravity of the fluid and the flow rate H / Vapor Pressure: All liquid creates pressure on the steam on its free surface In any pump operating system, the operating pressure can not be lower than the vapor pressure, or the steam will partially or completely cut off into the pump fluid G / water hammer effect: a higher inlet to form a static pressure head on the pump to produce internal pressure I / Viscosity: Due to the internal friction of the fluid, the nature of the viscosity gives the fluid flow resistance. Further reading: industry leaders IFAT China Guangzhou Exhibition building water pump manufacturers ranking article belongs to Internet industry (Xiamen) Co., Ltd. All are welcome to reprint, please indicate the source and author of: Asian pumps Network Editor: gogoing (QQ / WeChat:) Starting: http://beng.liuti.cn/ (Service Hotline:)

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