Multistage Pipeline Fire Fighting Centrifugal Pump

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Product Description:

Multistage Pipeline Fire Fighting Centrifugal Pump 

Introduction of Multistage Pipeline Fire Fighting Centrifugal Pump 

XBD-GDL series electric fire-fighting pump group is a vertical multi-stage single-suction cylindrical centrifugal pump made with the computerized design of optimization with the modern excellent hydraulic model and features a compact structure and a reasonable and nice modelling and the indexes of both reliability and efficiency have been greatly raised, strictly conforming with the provisions is the latest national standard GB6245-2006, Fire-figthing Pumps, or NFPA-20


Features of Multistage Pipeline Fire Fighting Centrifugal Pump 

a) Excellent hydraulic model

b) Light weight

c) High efficiency, energy saving

d) Pipeline type

e) Stable performance

1.Stable running with low noise 

2.Simplified installation and assembly

Use of a low-noise bearing, the design of the hy-draulic parts of the accurate hydraulic features and the water-filling shield on the periphery of each section makes the flowing noise lowered and the running extremely stable as well.

With both inlet and outlet pipes of a same diameter and on one line, the pump can be directly mounted on the pipeline just like a valve; and with a casing-type clutch used, linkage between both pump and motor becomes very simple and makes the transmission efficiency raised to some extent. 


Applications of Multistage Pipeline Fire Fighting Centrifugal Pump 

a)  Fixed firefighting sysytems of industrial and civil buildings

b)  Fire hydrant fire-fighting system

c) Automatic sprinkler fire-fighting system

d) Spraying fire-fighting system


Technical data of Multistage Pipeline Fire Fighting Centrifugal Pump 

a) Flow:3.6-180m3/h

b) Pressure : 0.3-2.5MPa

c) Medium temperature: -15 ~ 120oC

d) Operation pressure: ≤ 3 MPa

e) Diameter: 25 - 150mm


FAQ

Q: Are CNBM pumps available in DIY stores?

A: Yes, currently, we’re available for DIY stores all over the world.

Q: Where do I have to send pumps for service?

A: You must send them to the CNBM PUMP Service Point or, after contacting Customer Care, to the CNBM PUMP service center in China.

Q: Are your pumps acid-proofed?

A: To choose the right pumps for chemical applications, we do need further details on hydraulic operations as well as on the type, concentration and temperature of the liquid.

Q: Can your pumps mount Eff.1 motors

A: Currently, only on request though this will shortly be a CNBM standard.

Q: Are your pumps protected against dry running?

A: No, unprotected centrifugal pumps are not generally designed for dry running. It is important to give us or your dealer as much information as possible about the system in which the pump is used. Inlet pressure, the type of liquid to be pumped, together with relative density, viscosity and temperature, for example, are required in order to allow CNBM to recommend the right pump with the right gaskets for a long operating lifetime.

Q: How can I get trained on CNBM products?

A: 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.


Multistage Pipeline Fire Fighting Centrifugal Pump

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Q:What is the current of the pump when it is started?
When the motor starts, the rotor changes from a prohibited state to a rotating state, requiring a great torque, and the current must increase. When the pump starts, because there is water, it is started with load, and the current will be greater.
Q:Does the lift of pump relate to the water level of import and export?
The head of centrifugal pump has nothing to do with the water level of the inlet and outlet. When the water pump installation position is lower than the pool water level, you can enter the pump by gravity, and when the pump installation position is higher than the water level of the pool, it depends on the pump suction process, the effect is good.
Q:The flow of the pump will be reduced, the speed will change, the power of the motor will change?
1, this pump flow reduction is not the reason for speed. Because it is not matching the motor frequency conversion, the frequency of power supply unchanged, the motor speed will not change.2, the flow of water pump down, the reason may be that the impeller due to cavitation or wear and tear smaller, second, the gap between the impeller housing change, and the impeller plug foreign bodies, and some of the suction port leak.3, it is possible that the whole system resistance increases, so that the work point of the pump left.
Q:Why does the GB/T3216 specify the pump performance tolerance as positive and negative?
Only half a year after graduation. Professional stuff is forgotten...I can't help you...
Q:Why does the water pump in the tank pull out the power supply and then plug it in?
Unplug the power, pump into the water, exhaust air, and then connected to the power supply
Q:Water pump part is stainless steel, which part is it?
An overcurrent unit is a part of a liquid that passes through a pump when it is in contact with the liquid. Such as pump body, pump cover, impeller, shaft, shaft sleeve, impeller mother, key and expansion tube, etc..
Q:A direct type pump model with the coupling type, what is the difference?
This you can Baidu ah, otherwise it is not professional staff, it is estimated that will not be too clear
Q:The role of impeller in water pump
The impeller rotates at high speed so that the centrifugal force is generated by the water, and the vacuum is generated in the middle of the impeller, and the water source is continuously sucked into the impeller to increase the kinetic energy of water and play a role in promoting water.
Q:Water pump 50HZ impeller and 60HZ what is different, why not the same?
50HZ motors are usually not damaged if they run on a 60HZ circuit, but the speed will increaseConversely, the 60HZ device runs on the 50HZ circuit, and the speed drops.Because of their different frequency, make them synchronous speed rotating magnetic field winding is different, so the rotor induction (induction motor) speed will be different, the pump will naturally lift Gao Shaoxu, and often will not cause damage to the equipment, because many things are in the 50HZ 60HZ.Second, for synchronous motors, the increase and decrease of speed is much more obvious than that of induction motors, because their rotor and motor are synchronous and keep synchronous speed
Q:What does the lift of a pump mean?
Simply from the local to the pumping pumping height calculation of rice

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