KWFB series no seal self-control self-priming pump

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Product overview

KWFB series sealing automatic self-priming pump, it is my company after repeated research of domestic and foreign similar products developed product. This product has the heat resistance, pressure, wear-resisting, "a drainage, life-long self-priming" and other functions and advantages. Under certain conditions can replace long axis pump, submerged pump, submersible sewage pump, etc. In the oil, electric power, chemical industry, steel, medicine, coking, electroplating, environmental protection, fire protection, municipal, water purification, national defense, textile printing and dyeing, mining beneficiation, widely used in civil construction and other industries, well received by users.

Application field

Product features

1, the use of the optimization design "polyhedral centrifugal pump with a serial type dynamic sealing device", abolish the traditional pump packing seal, mechanical seal, completely uniform "run, run, drip, leak.

2, in the operation of the seal friction, long service life than similar products more than 10 times, high reliability.

3, increase the outage sealing device, more suitable for frequent starting places.

Q:How much water does the water ring vacuum pump run for an hour? If there is no steam separator, does the water vaporize?: The purpose of the steam separator is to separate the gas from the liquidWater ring type vacuum pump, water, compressed gas is discharged through the exhaust port, if not it is soda water separator is discharged, can not be separated, for the recovery of gas discharged industry is obviously impossible.Soda separator is available, the key is to see the working conditions

Q:Why can't the centrifugal pump pump the vacuum?: Working principle (taking centrifugal pump as an example):Prerequisites, processes, and requirements for the overall system structure.

Q:Is the centrifugal pump large or small?: When the liquid is lowered at a certain temperature to the vapor pressure at this temperature, the liquid bubbles. The phenomenon of producing bubbles is called cavitation. When the bubbles are flowing to the high pressure, the volume of the bubbles is reduced so that they are destroyed. This due to the pressure of rising bubbles disappear in the liquid in the phenomenon called cavitation bubble collapse. The local pump is in operation if the over-current part (usually the impeller blade inlet somewhere later) for some reason, the absolute pressure of pumping the liquid was reduced to liquid vapor pressure temperature, liquid vaporization began there, produce a lot of steam bubble formation, when the liquid contains a lot of bubbles by forward high pressure impeller Zone, high pressure liquid around the bubbles in the bubble decreases drastically and rupture. Condensation in the bubble burst and the liquid particle at high speed to fill a hole in this moment has a very strong effect of water hammer and the impact of high frequency against the metal surface, the impact stress of hundreds to thousands of atmospheric pressure, impact frequency can be up to tens of thousands of times per second, serious breakdown when the wall thickness will be. The process of cavitation in a pump is caused by the bursting of bubbles and bubbles in the water pump and the destruction of the over-current components. Water pump cavitation, in addition to the over-current components will have a destructive effect, but also produce noise and vibration, and lead to the performance of the pump down, seriously when the pump will be interrupted liquid, can not work properly.

Q:The difference between submersible pumps and centrifugal pumpsWhat's the difference between the two? What is applicable and what?: High speed rotating impeller blade drives the liquid to rotate, and the liquid is thrown out so as to achieve the purpose of conveying. There are many medium for transportation, such as oil, water, chemicals and so on. The pump shaft and the motor shaft are of the same shaft, the pump and the motor are made into an integral body and immersed in water. The medium of transportation is water.

Q:How many concrete pump tube diameter: Different pipe diameter is different, most of the 125, there are 150. Now we have the smallest pump on the market, with a pipe diameter of 100.

Q:Why does the centrifugal pump start and close first when the outlet valve is closed?: The contact is burned out, the bond and so on the accident, therefore closes the outlet valve, starts the electric machinery, at this time the electric machinery belongs to the no-load current movement, greatly reduces the big current impact

Q:What are the functions of a disposable infusion pump?: This is a very professional question, ha!I only know disposable infusion pumpsAttached: intelligent medical infusion pump and its application

Q:Why does the centrifugal pump start with a closed valve and the axial pump starts with an opening valve?: Because the characteristic curves of the two are different.The power of centrifugal pump decreases with the decrease of flow rate. When the flow rate is zero, the power is minimum, so the centrifugal pump is started with a closed valve.

Q:Double floor sewage pump circuit diagram of a small problem: Q 2, SA and SS are select switches, and different positions indicate the same difference between the two nodes. SA hits the left position 13, 14 to connect, hits to the right position 21, 22 to connect. SS hit the middle position, 5 and 6 turn on, 7 and 8 turn on; hit the right position; 1 and 2 turn on; 11 and 12 turn on; hit the left seat; 9 and 10 turn on; 3, 4 turn on.

Q:Working principle and diagram of axial piston pump with pressure compensation variable: Working principleThe main part (see section structure) the transmission shaft drives the rotating cylinder, the plunger seven uniform distribution on the cylinder to rotate around the shaft center line through the center of the spring will be slippery boots column components in the variable pressure in the head (or swash plate). In this way, with the rotation of the plunger cylinder for reciprocating motion complete, oil absorption and oil pressure action.

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