IS Horizontal Centrifugal Water pumps

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ISW series horizontal pipeline centrifugal pump
1.widely use
2.veriety
3.comptitive products and price
4.ISO

ISW series horizontal pipeline centrifugal pump


Product Description



1, smooth operation: absolute concentricity of pump shaft excellent static and dynamic balance of impeller ensure stable operation, no vibration.
2, watertight: hard alloy seal with different materials to ensure the transportation of different media are no leakage.
3, low noise: two low noise bearing of the water pump, smooth operation, in addition to the motor faint sound, the basic no noise.
4, low failure rate, structure is simple and reasonable, the key part adopts the international first-class quality form a complete set, the trouble-free working time greatly improve.
5, easy maintenance: replace seal and bearing, simple convenient.
6, more space-effective: the outlet is available to the left, right, up three direction, easy for pipeline layout and installation, save a space.
7, ISW horizontal fresh water pump for conveying water and physical and chemical properties of YuQingShui similar other liquid and suitable for industrial and urban water supply, pressurized water supply in high-rise constructions, garden sprinkler irrigation, fire booster, distant distance transportation, hvac refrigeration cycle, such as the bathroom, cold and hot water circulation pressurization and equipment accessories, using temperature T acuities were 80 °C.
8, ISWR horizontal hot water pump are widely used in metallurgy, chemical industry, textile, papermaking, and hotels etc boiler hot water booster cycle transport and urban heating system, ISWR type using temperature T 120 °C or less.
9, ISWH horizontal chemical pump, for delivery not containing solid particles, and viscosity similar to corrosive liquid water, used in petroleum, chemical, metallurgy, electric power, papermaking, food, pharmacy and synthetic fibre and other departments, the use of temperature from °C ~ + 120 °C.
10, ISWB horizontal pipeline oil pump for transport gasoline, kerosene, diesel oil and other oil products or flammable, late detonation liquid, by conveying medium temperature of 20 °C ~ + - 120 °C


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Q:Variable flow pumps are variable pumps
Variable input speed, the pump out of the flow is variable, it can not be said that it is variable pump.In a word。 A variable pump is a variable displacement pump.
Q:No negative pressure water supply equipment, both the main pump and auxiliary pump, power is not the same
Non negative pressure water supply equipment can be divided into non negative pressure tank and box type non negative pressure compensation device, steady flow tank type non negative pressure water supply equipment is the negative pressure tank, pressure tank can eliminate the negative effect of network equipment, is equipped with a vacuum suppressor and water protection box; non negative pressure water supply equipment has the advantages of simple device is a water tank with the boost voltage stabilizing device of complex box at the same time with no negative pressure tank.The tank type non negative pressure water supply equipment adopts vertical multistage centrifugal pump. This kind of pump is low noise and high efficiency. Such as CDL series and imported CR seriesOrdinary box type non negative pressure water supply equipment can use multi-stage centrifugal pump, also can use stainless steel submersible pump, submersible pump costs will be lower, but the maintenance costs will be high.
Q:Why does the centrifugal pump close the pressure to start?
Therefore, the operation rules of multistage centrifugal pumps require that the inlet valve be opened before opening, and the outlet valve is closed. However, the export valve closed time can not be too long, because at this time the medium in the pump cycle, the medium temperature gradually increased, easy to cause mechanical seals, due to lack of lubrication friction and wear or damage.
Q:What is the difference between centrifugal pump and rotary vane pump?
The vane pump can be divided into centrifugal pump, mixed flow pump and axial flow pump according to the direction of liquid flow in the impeller.Centrifugal pump is a kind of vane pump, which is the most widely used.
Q:Why is the flow of the pump too small will occur cavitation phenomenon?
Why is it easy to produce cavitation when the inlet flow of pump is lowered?This is because the main performance parameters such as the head, power and efficiency of the centrifugal pump are not fixed, but vary with the flow rate. The curve drawn on a coordinate paper is called the performance curve or characteristic curve of the centrifugal pump. What happens when the flow rate decreases? The disadvantage of throttling adjustment is that the pump flow is small, and the impeller is easy to cause cavitation
Q:What are the ways of hydraulic pumps?
Check valves, such as single piston pumps, three piston pumps, etc.;The port of the valve arrangement, such as the radial piston pump.
Q:What are the starting and stopping procedures for centrifugal pumps?
The use of centrifugal pump can be divided into three steps, namely, start, run, stop.Start: you should do the following preparation before starting:(1) check the water pump equipment in good condition.(2) the bearings are filled with oil, the oil level is normal, and the oil quality is qualified(3) all the inlet valves of the centrifugal pump are opened.(4) pump water injection or vacuum pump diversion (except for flow), open the vent valve exhaust.(5) check the leakage of shaft seal. It is advisable to fill the seal with a little drop of water.(6) the motor rotates in the right direction.
Q:What is the dry running protector of screw pump? What's the principle and function? Thank you
When the temperature reaches a certain value, the signal is transmitted to the electric control box through a dry running protector, and the electric control box is used to stop the screw pump so as to protect the screw pump.
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:What is the nominal pressure of the hydraulic pump and hydraulic motor?
Rated flow refers to the flow under the rated speed and rated pressure input to the motor.Due to leakage loss, the actual flow of the input motor must be greater than its theoretical flow. Actual flow of motor (i.e. inlet flow) leakage flow = theoretical flow of the motor.

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