GDP20-xS-071 Wall Hung Gas Boiler Pump

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Q:2 inches of water pump is generally equipped with high-power motors
3KW2 pole asynchronous motor
Q:What is the reason that the water supply of pump is getting smaller?
What kind of pump is it, home pump or factory pump? Single stage impeller or multistage impeller? Vertical or horizontal? Is it single suction or double suction? Different structure of the day pump has different causes of failure. But in general, there are several aspects: 1., the water inlet is small, the inlet pipe is blocked; 2., the blade is worn or broken; 3., the motor speed drops; 4., sealing serious leakage; 5., cavitation phenomenon.
Q:Pump house should be equipped with those equipment and valves
The pump room generally the main equipments used are: pipe, water pump, water pump control box, inlet valve, outlet valve, check valve, pressure gauge, water valve and a water tank, according to the specific design of the pump room to you, just above the pipe segment.
Q:Water pumps are always pumping water, what's the matter?
Cause analysis of water pump without waterThere is air in the inlet pipe and pump body(1) before the water pump is started, the water is not filled enough. Sometimes it seems that the water has been discharged from the vent hole, but the pump shaft is not rotated. The air is completely discharged, resulting in a small amount of air remaining in the inlet pipe or pump body.(2) in contact with the water pump inlet of the horizontal application of reverse flow direction, fell more than 0.5% slope, connect one end of the highest import pumps, do not completely level. If the upward tilt, the intake pipe will retain air, reducing the water pipes and pumps in the vacuum, water absorption.(3) pump packing has been used for long-term wear or packing pressed too loose, discharge gap caused by the large amounts of water from filling with the shaft sleeve, the external air gap into the pump from the inside, affected the water.(4) because of the long latent water and the corrosion of the pipe wall, the water inlet of the water inlet is constantly dropping. When the holes appear above the water, the air enters the water inlet pipe from the hole.(5) there is a crack at the bend of the inlet pipe, and there is a small gap between the inlet pipe and the water pump, which may cause the air to enter the inlet pipe.
Q:Pump adapter joint net outside tube, what is the principle?
First, the working principle:Fire pump adapter is connected with the public security fire department fire engine or motor fire pump fire water transport through the fire pump adapter interface fire water supply pipeline to the buildings, the fire hydrant indoor get sufficient pressure to solve the problem of water shortage and other difficulties or because of fire water supply pipeline inside the building due to low water pressure caused by the fire fighting for high-rise building, indoor use and normal operation of fire pumps and intermittent water supply situation in. The installation types include floor type, underground type and wall type.A brief introduction to the two, pump adapter:When a fire occurs, the fire engine pump can quickly and conveniently through the interface and building the adapter in the fire fighting equipment is connected, and the water pressure, so the indoor fire equipment pressure with sufficient water to extinguish, different floors of fire, effectively solves the problem of building fires, fire fighting because of difficulties or indoor fire fighting equipment due to lack of adequate water pressure to the fire.
Q:Is the pump lift horizontal or vertical?
A vertical, vertical lift is one meter (see environment), usually 5~10 times the horizontal distance
Q:The wiper pump is broken. How much will it cost to fix it?
Hello, what's your car?. General water motor more than ten dollars. Hope to help you, I wish you a pleasant ride
Q:Why is the minimum liquid temperature allowed at 2 DEG C instead of 0?
It freezes at 0 degrees, and the pump runs and gets stuck.
Q:How should the water pump breaker be selected?
Tell you a way, then go to the election, mainly to see his rated current to choose.The most general calculation of a KW==2 current (380V3 phase) 11KW==22 current, and then enlarge 1.2 times, that is, the current of the circuit breaker is selected to 25-30A. If it is started directly, zoom in to 1.5 times. Yes, no problem!! In addition, the 37KW 64 current short circuit selector 80-100A is ok.. Similarly, 4KW following unification can be done using 10A15A
Q:Pump impeller diameter plus assembly what changes? What's the effect on the motor?
Two item 1.5 kilowatt type self suction pump original impeller 14.7cm installed 15.5cm may be a problem.After the impeller increases, the flow, head, shaft power will increase (increase in volume see the following formula), the original 1.5KW motor may overload operation.The larger the diameter of the impeller, the greater the lift, the greater the flow rate, because the flow rate of water depends on the centrifugal force generated by the impeller rotation and the line speed on the tangent. The greater the diameter, the greater the centrifugal force and the linear speed. The relationship between the centrifugal pump water delivery and the vacuum degree is that the centrifugal pump is the centrifugal force principle to complete pumping. Without water, the time and space turn will burn out the equipment. Vacuum pumping or vacuum pumping two times.The vacuum of the inlet of the centrifugal pump is composed of three parts (the equation of the inlet of the pump and the level of the suction liquid).

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