KQSN series horizontal open in single stage double suction centrifugal pump

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Product overview

KQSN open double suction pumps in series are widely used in water plant and urban water supply project, water conservancy irrigation, metallurgy and steel mills, central heating, petrochemical plants, paper mills, oil fields, power plants and power stations, airport construction, the characteristic, central air conditioning system, sugar mill, brewery, chemical plants and other industrial and mining enterprises, and large factories, mines, fire fighting system water supply, etc.

Application field

Suitable for large flow and a head of water supply and water applications. Urban water supply and drainage, urban water supply; The central heating system, water supply and drainage; Iron and steel metallurgy enterprises, petrochemical refineries, paper mills, oil field, thermal power plants and power stations, airport construction, the characteristic, textile mills, sugar mill, chemical plant, power plant, water supply and drainage; Factories, mines, water supply, air conditioning system of water supply, fire fighting system of farmland drainage irrigation and various water conservancy project.

The working conditions

Speed: 990148 0 and 2960 r/min

Voltage: 380, 6 kV and 10 kV

Entrance diameter: 150-600 - mm (flange size accord with GB/T17241.6-1998)

Flow range: 68-3975 - m after/h

Lift range: 6-230 - m

Liquid temperature range: the highest temperature of 80 ℃ to 120 ℃ or less, the environment temperature 40 ℃ or less commonly

Allows medium: water, such as medium for other liquid, please contact with our company


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Q:Why should the pump be closed when the centrifugal pump is started?
Therefore to close the outlet valve, the pump during starting output water, the minimum pump power, when the pump reaches the rated speed, slowly open the outlet valve, gradually increase the flow of water, the motor current is gradually increased to the rated current.
Q:What is the relationship between the minimum suction vacuum of a pump and the required cavitation?
When the pump is working, the liquid at the inlet of the impeller, due to a certain vacuum pressure will produce steam, the vaporization of the bubble in liquid particles under the impact of movement, the impeller and other metal surface erosion, thereby damaging the impeller and other metal
Q:Significance of water pump model ISO50-160
A pump is a machine that transports liquids or pumps liquids. It will be the prime mover of the mechanical energy or other external energy transfer to the liquid, the liquid energy increase, mainly used to transport liquids including water, oil, alkali liquid, emulsion, suspension emulsion and liquid metal, but also transport liquid, gas mixtures and liquids containing suspended solids. Pump performance parameters include flow, suction, lift, shaft power, water power, efficiency and so on;
Q:Fire pump and shower pump flow head selection, high resolution.
3, larger than 25000, the minimum water consumption of indoor fire hydrant is 20L/s4, the minimum water consumption is the flow of a fire hydrant.
Q:How long does the fine stone pump need maintenance? What should I pay attention to?
Check the line from the relief valve to the cylinder inlet to ensure that there is no external drainage or deformation due to impact and wear and that the connections are complete and fully tightened. - replace any damaged pipe immediately. - change the original settings strictly: all adjustments and calibrations can only be done by professionals. - no fucks hydraulic components, otherwise manufacturers on product warranties and liability shall not be responsible for. A warning because the hydraulic oil can reach very high temperature, there is the danger of burns, so open pipe fittings should take appropriate protective measures. Any replacement parts must conform to the level specified by the manufacturer. 8.2 check lubrication grease pump in oil at any time to ensure adequate and clean the lubrication pipeline joints without overflow phenomenon. Check the lubrication of the running parts at any time, and find the parts which lack oil, and check them immediately to prevent accidents. - check that the centralized lubrication system is effective daily. When the grease pump is empty, the grease added is often not easy to pump out because of the bubble. In this case, open the outlet of the pump, run the grease pump until the grease is re flowing, and then connect the pipe
Q:The suction pump has a nominal suction range of 30 metersHow deep can a well be sucked?Well, sixteen meters,
That is impossible. The suction height of the pump is caused by the centrifugal force of the vacuum. The water is sucked into the vacuum
Q:Pump operator's responsibility Sharing the rules, responsibilities, etc..
1., consciously abide by the traffic control department management rules, to achieve civilized driving, safe driving.2. responsible for the daily maintenance, cleaning and cleaning of the pump truck, and ensure the equipment is in good condition.
Q:What is the dry running protector of screw pump? What's the principle and function? Thank you
The utility model relates to a screw pump dry running protector, which is used for protecting the stator and the rotor of the screw pump from being transported by air
Q:How many millimeters is the diameter of the water outlet of the four inch pump?
Here is a 4 inch inch, not rural, 1 inches =25.4 mm, 4 inches is approximately 100mm, with DN100 pipeline.
Q:What is cavitation, centrifugal pump cavitation phenomenon how to solve?
Centrifugal pump cavitation phenomenon how to solve?:Measures to improve cavitation resistance of centrifugal pumps(1) improve the design of the suction port of the centrifugal pump to the impeller. Increase flow area; the radius of curvature increases the impeller cover inlet section, reduce the flow accelerated sharply with pressure; reduce the thickness of the blade, and the blade inlet rounded, close to the streamline, can also reduce the acceleration and pressure flow around the blade head portion of the impeller and the blade inlet part; improve surface finish in order to reduce the resistance loss; the blade inlet edge extends to the impeller inlet, the liquid flow in advance to accept work pressure, improve.

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