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According to Shinhoo's statistics on the failure performance of water pumps sold in the heat pump market in the past five years, there are four main types of common failure modes of water pumps. Now we will analyze the causes of noise problems and provide solutions. Reasons: (1) Impurities enter the gap of the rotating parts and cause friction noise. The recommended solution is to use a filter to ...

Shinhoo high efficiency circulation pump can be widely used in many fields as follow:   1. System with constant or variable flow   2. System with variable temperature liquid   3. System with night mode   4. Air conditioning and cooling system   5. Industrial circulation system   6. Domestic hot water and drinking water supply system &emsp...

There are several reasons that cause water circulator pump do not start.   1. Problems with power supply: You should check the plug and socket and the cable. Check circuit breaker in electrical panel.   2. Capacitor not working: Needs a new capacitor, not expensive.   3. Air pressure in water pressure tank too high: Reset air pressure in pressure tank.   4. ...

Heat pump is a device that transfers heat energy from a low-level heat source to a high-level heat source. It is a energy-saving high-efficiency device that makes full use of low-grade heat energy. It is a new energy technology that attracts much attention all over the world. As we all know, heat can be transferred spontaneously from high-temperature objects to low-temperature objects, but not in ...

Shinhoo mechanical pump can be divided into PH series ,PUN series and MHI series. PH series are famous for its convenient installation ,compact structure, saving space, low noise and long service life. This kind of circulator pump can be used in hot water circulation and heating system, solar energy, air energy, air-conditioning as well as clean water pressurization system and industrial circulati...

Circulating pumps are centrifugal pumps designed to generate a forced circulation in a closed system. Such us heating systems for hot water ,heat transfer systems, forced circulation boilers or reactor circuits ,and they are also used in open systems. The design of a circulating pump is often determined by the frequently high temperature of the fluid handled and the relatively low head which corre...

Ⅰ.Noise Cause 1：Impurities that entering the gap of rotating parts makes friction noise. Solutions: 1. Disassemble the pump and take out impurities in the runner. 2. Use water softener to reduce scale formation. 3. Use a filter net to keep the water in the pipeline clean. Cause 2: Shaft abrasion caused by scale and by grinding due to lack of water. Solutions: 1. Change the rotor and impeller. 2. U...

Ⅰ.Leakage Cause 1：The worn shaft causes the can damaged. Solutions:1.Test the motor resistance. If it is normal, replace the shielding cover- rotor assembly. 2.If the motor is burnt out, return it to the factory for maintenance Cause 2:During the maintenance of the water pump, the sealing gasket is poorly installed and deviated Solution:1.Reinstall the gasket. Ⅱ.Burning Cause 1: Burning caused by ...