CDL/CDLF Vertical Multistage Water Pumps

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Product Description:

Product introduction:
CDL/CDLF is a kind of vertical non-self priming multistage centrifugal pump, which is driven by a standard electric motor .The motor output shaft directly connects with the pump shaft through a coupling. The pressure- resistant cylinder and flow passage components are fixed between pump head and in-and outlet section with tie-bar blots. The inlet and outlet are located at the pump bottom at the same plane. This kind of pump can be quiped with an intelligent protector to effectively prevent it from dry-running,oul-of-phase and overload.

Application:
CDL/CDLF is a kind of multi-functional products.it can be used to convey various medium from tap water to industrial liquid at different temperature and with different flow rate and pressure.CDL type is applicable to conveying non-corrosive liquid, while CDLF is suitable for slightly corrosive liquid.
1 .Water supply: Water filter and transport in water works, boosting of main pipeline, boosting in high-rise buildings.
2.Industrial boosting: process flow water system, cleaning system, high-pressure washing system, fire fighting system.
3.lndustrial liquid conveying: Cooling and air-conditioning system, boiler water supply and condensing system, machine-associated purpose, acids and alkali. 4.Water treatment: filtration system, reverse osmosis system, distillation system,separator, swimming pool
5.Irrigation: Farmland irrigation, spray irrigation, dripping irrigation.


Work Conditions:
Thin, clean, non-flammable and mon-explosive liquid containing no solid granules and fibres.
Liquid temperature: Normal temperature typei-15℃ -+70℃
Hot water type:+70℃ -+120℃
Ambient temperature: up to+40℃
Altitude; up to1000 m


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Q:What is the liquid pump? What are their categories? What are their strengths and weaknesses?
The liquid pump can be filled with oil, water and chemical medium. The gas drive range of the liquid pump is 1 to 10bar (14.5-145psi). The bottom piston is controlled by a two position four pass pilot valve.
Q:How to select metering pump head?
When it comes to metering pump heads, the usual problem is when they measure acid, chlorine, fluoride, and hydrogen peroxide. Due to the difference in concentration and operating temperature, it is difficult to determine the specific pump head material.
Q:What are the main performance parameters of the pump?
RPM revolutions per minute. In N, the unit is R / minThe power delivered by the shaft power prime mover to the pump shaft. In P, the unit is kW.The ratio of useful power to shaft power of an efficient pump. With ETA said. It is an indicator of the degree of perfection of the pump in terms of hydraulic power
Q:Water pump does not produce water, what are the reasons?
6. is the motor running in correct directions?.7. pump body failure, such as sliding off the leaves or too much gap between the mouth ring.
Q:Fire hydrant pump button, under what circumstances do not need to install?
There are four things to do:Fire hydrant button to meet the requirements of national standards.In addition to pumping, it can show the location of fire.
Q:What is a water pump coupling device?
The automatic coupling device of the water pump coupling device has compact structure and small occupation area. The sump pump works because it is submergedThe utility model can be directly installed in a sewage pool, and no special pump house is needed to install a pump and a machine, thereby saving large amounts of land and infrastructure expenses
Q:Is vane pump good or gear pump good?
1) the reversible design of gear pumps can also usually reverse, but reverse after the suction port change, and the pump safety valve does not work; leaf pump is generally not allowed to reverse. 3) the single acting vane pump can be designed to change the eccentric distance by moving the stator at the constant speed, so as to achieve the purpose of variable direction.
Q:What is the difference between centrifugal pump and positive displacement pump?
The centrifugal pump is usually driven by an impeller, and the head has a functional relationship with the flow rate. Positive displacement pump is gear or piston drive, each stroke output flow is constant, and the head does not matter, the pressure head can be infinite.
Q:Why should I pump the pump before starting the centrifugal pump?
Only centrifugal water can be pumped out of the centrifugal blade to generate negative energy at the entrance. There is no water diversion. Only the negative pressure produced by the air is too low to absorb the well water.Water pump has been pumped, centrifugal pump or can not start normally, mostly because of the water pipes and air
Q:What does the impeller on the centrifugal pump mean by the first cutting?
There are 2 situations, first, for example, a XXXX-160 type pump head 32, flow 100, motor 15kW, according to the model we need to cut a become head 28, flow rate of 88, this time, in addition to cutting the impeller, the pump or the original pump motor, became 11kW this is, re designed a new model, namely XXXX-160A, but most structural components did not change. In the same way, we want to design a XXXX-160B that makes the head 24 and the flow rate 80, then we just need to cut the impeller again and match the smaller (7.5kW) motor (the motor bracket needs to be redesigned). In general, multiple cutting impellers are designed to expand and enrich the model. Second, the actual use, if you think the flow head is too large, but also can be cut to make it smaller to adapt to practical applications. But the 2 and 3 cuts you ask are the first.

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