Self-Priming Horizontal Water Centrifugal Pump

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1. Product Introduction:

ZX series self-priming centrifugal pump falls into the category of self-priming centrifugal pump,which has such advantages as compact structure, easy operation, stable running, easy maintenance, high efficiency, long life and strong self-priming capacity. The bottom valve needn't be mounte in the pipeline. It 's only necessary to reserve a fixed quantity of guide liquid in the pump body before work. Therefore, it simplifies the pipeline system and also improves the labor conditions

2. Range of Application:

1) It is applicable for city environmental protection, building, fire control,chemical engeering,pharmacy,dyestuff,printing and dyeing, brewage, electricity, electroplating, paper making ,petroleum, mine, equipment cooling, tanker discharging,etc.

2) It is applicable for clear water, seawater, liquid containing acid or alkali chemical medium, and generally pasty slurry (medium viscosity≤100cP and solid content less than 30%).

3) When it's mouted with an arm sprayer, it can jet the water into the air to disperse into little raindrops for spraying , so it is a good tool for farm, nursery, orchar and tea garden.

4) It can work with any types and specifications of filter press, so it is an ideal type to deliver the slurry to the filter for the filter pressing.

3. Type Designation:

50 ZX 12.5-50 PB

50 Suction inlet diameter(mm)

ZX Self-priming pump

12.5 Rated flow (m3/h)

50 Lift head (m)

P Stainless steel

B Explosion-proof

4. Technology Parameters:




Ratary speed14502900r/min


Medium Temperature≤80

Self-priming high3.5-4.5m.

5. FAQ

1). Can I get trained on CNBM products?

Yes, we provide training courses in our factory (products, general and specific pump technology, hydraulics, and practical applications). Please consult your sales manager or get in touch with our headquarters for more information.

2). Are your pumps cheaper than those of your competitors?

CNBM aims to give its customers the highest standards of quality and service and delivery times, all at a reasonable price.

3). How long is your warranty?

Unless otherwise expressly authorized in writing, by specifying a longer period or different conditions, CNBM states that, for a period of twelve (12) months from delivery date, all Products supplied are free from defects in materials and workmanship, and conform to the applicable specifications. Either the delivery documentation or the invoice must be provided to prove delivery date. In absence of such documents, the production date appearing on the product label may suffice

Self-Priming Horizontal Water Centrifugal Pump

Self-Priming Horizontal Water Centrifugal Pump

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Q:What is a positive displacement pump? He Weizheng displacement?
The principle and structure of positive displacement pumps are similar to those of hydraulic motors. Positive displacement is the pump outward to provide flow and pressure, that is, conventional pumps. A negative displacement pump is a hydraulic motor that rotates by external pressure and flow.
Q:What are the important parameters of the pump?
Mass flow is expressed in Qm units: t/h, kg/s, etc.The relation between mass flow and volume flow is:Qm= P QIn the p - type liquid density (kg/m3, t/m3), room temperature water P =1000kg/m3.Lift H
Q:Is the sewage pump the same as the mud pump?
No. the main functions are different:1, pump two main performance parameters is the displacement and pressure, displacement from a number of liters per minute, with the diameter and the drilling fluid requirements from the hole on the back end of the speed, the larger aperture, the greater the displacement
Q:The suction pump has a nominal suction range of 30 metersHow deep can a well be sucked?Well, sixteen meters,
Vacuum pump plus form must not reach a standard atmospheric pressure vacuum, so the general can absorb 8 meters is very good, and the self suction pump itself and loss, the horizontal self-priming pump can suck on basic 4~6 meters is very good, self-priming pump. Suction lift of 30 meters is purely in the Mongolian people, does not comply with the laws of nature, obvious anti science.
Q:What is the dry running protector of screw pump? What's the principle and function? Thank you
Principles are generally temperature sensing, such as: when the screw pump by air, the stator and rotor will be heated due to friction,
Q:Constant pressure pump working principle
The pressure loss is borne by the valve. Constant pressure pumps generally do not export direct load, unless you need this load response is very fast, then the maximum displacement of the pump work, so as to ensure the rapid response of the load.
Q:What is the lift of diaphragm pump?
Tell you: diaphragm pump head is liquid through the pump energy obtained is called lift it, and flow and pump speed, a liquid density is generally 1 kg is 10 meters lift, horizontal pipeline 10 meters 1 meters lift, a 90 degree bend is 1 meters.
Q:The main factors affecting the performance of centrifugal pumps
The specific speed is deduced by the law of hydraulic similarity, and the similarity between the hydraulic characteristics of centrifugal pumps is similar. In centrifugal pumps, the specific speed is often interpreted as: the pump works at the highest efficiency, generating a lift of LM, a flow rate of 0.075m, and the power consumed by the /s at 0. 735kW
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:Because the water pressure of the booster pump is not enough, it can not work automatically. It can only be operated by hand. It is inconvenient to use.
If the water pressure is not enough, the pump can not start, then it must be wrong. Because if the water pressure is not enough, the pump should be running automatically. It's just because the water pressure is not enough.

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