Horizontal Multistage Centrifugal Pump Made In China

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Product Description:

Horizontal Multistage Centrifugal Pump with Lowest Price

CHL, CHLK and CHLF (T) type pump are mainly used in industrial field:
A. Air-conditioning system
B. Cooling system
C. Industrial cleaning
D. Water treatment (Water purification)
E. Aquiculture
F. Fertilizing/metering system
G. Environmental application
H. Other special applications

Curve conditions:
Following conditions are suitable for the performance curves shown above:

*All curves are based on the measured values of 50Hz: constant motor speed 3500r/min;
*Curves tolerance in conformity with CE;

*Measurement is done with 20 ℃ are-free water, kinematic viscosity of 1mm ² /sec;
*The operation of pump shall refer to the performance region described by the thickened curve to prevent overheating due to too small flow rate or overload of motor due to too large flow rate.


Motor
A. TEFC motor 2-pole
B. Protection class: IP 55
C. Insulation class: F
D. Standard voltage,
50 Hz: 1*220-240V
3*220-240V/380-415V
60Hz: 1*220-240V
3*220-240V/380-415V
E. Single phase motor (max): 2.4kW

Operation condition
A. Liquid temperature:
Normal temperature: -15oC~+70oC; Hot water type: -15oC~+110oC
B. Ambient temperature: Up to +40oC
C. Max. Operation pressure: 10 bar
D. Max. Inlet pressure is limited by max. Operation pressure.


Model

CHL2

CHL4

CHL8

CHL16

CHL8

CHL16

Rated flow(m 3 /h)

2

4

8

16

8

16

Flow range(m 3 /h)

1~3.5

1.5~8

5~12

8~22

5~12

8~22

Max pressure(bar)

5.5

4

5

4

5

4

Motor power(kw)

0.37~0.75

0.37~0.75

0.75~2.2

2.2~3

0.75~2.2

2.2~3

Temperature range( o C)

-15~+110

Max efficiency(%)

46

59

64

70

64

70

Outlet

G1

G1.25

G2

G2

G1.5

G1.5

Inlet

G1

G1

G2

G2

G1.25

G1.25



Horizontal Multistage Centrifugal Pump Made In China

 


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Q:What is LG water pump?
LG water pump refers to high-rise building feed pumpThe water pump in high-rise building adopts vertical and sectional structure, and the operation is safe, stable, long life, small occupation area and convenient installation and maintenance.Two, product features:1, compact structure, small size, small footprint.2, replacement of vulnerable parts (mechanical seal) convenient, that is, "demolition" without dismantling the motor.3, assembly without adjustment, overhaul, convenient maintenance.4. Radial force and axial force are balanced by hydraulic force, and bearing is combined.5 、 noise and vibration are small and the operation is smooth.6. The main wear parts are made of high quality wear-resistant material.7, can be equipped with the same type of ordinary motor.8 、 mechanical seal special design, good sealing, life enhancement.9, using the hot water type mechanical seal, water can be pumped.
Q:What's the difference between a double suction pump and a single suction pump?
From the literal sense to understand, double suction pump is the impeller at both ends of the water inlet, and the single suction pump is from the impeller at one end of the water.Dual suction is mainly used in the process of large flow and low lift. When the pump flow is greater than or equal to 280m3/h, the caliber of 200mm or more, if the use of a single suction pump, then the speed requirements of about 1450rpm in order to achieve the suction requirements. However, if the double suction pump is used, the size and weight of the pump are reduced, and the speed can be increased, the volumetric efficiency is increased, and the reliability of the equipment is improved.Single suction pump, also known as end suction pump, single suction pump flow is relatively small. The same flow, single suction of small size, but the axial force, bearing a large burden. The cost of single suction pump is low, the price is reasonable, widely used, but in many ways it is not as good as double suction pump. If the inlet pressure is higher, the general choice of double suction wheel can be solved. Because the axial force balance of the impeller of the single suction pump is a big problem.
Q:About water pump selection
0.1MPa 1, according to the water pressure of the hydrant, dry season difference 17m geometric head for 17m, the pipeline resistance calculated according to 10%~20% 1.7~3.4m, from 3m, so the pump head should be 17+3+10=30m, considering that this is the dry season conditions, when the water level elevation is lower than 17m when the actual demand of low lift in 30m, it is not recommended to 35m head to head design, 30m under various conditions are enough (the actual operation of pump lift by lift device, so if the head is too high may lead to the actual use of pump bias conditions, and low lift and large flow operation, the flow of super power) selection of I don't know your personal needs, can not make a judgment, suggestion the flow rate and pipe diameter according to the economic flow rate of 2.5m/l is about to take it.2, from the operation of the pump, it is best to water intrusion, is higher than the pump center line, so it is best to get the pump installed under the negative on the second floor, if you can not meet the high water pump and the center line, there are three choices in the selection of a pump: 1, submersible pump (by landlord excluded); 2: the ordinary centrifugal pump + water diversion device (water diversion valve then available irrigation water or vacuum diversion device, this approach might not be used, and irrigation valve trouble, valve is broken with it, such a small pump vacuum water cost is too high); 3: self suction pump. Recommendations may consider self suction pump, self-priming pump is also divided into no sealed automatic control self-priming pump and general cantilever self-priming pump both, but the installation height is still lower, the better, because the lower the water level of the entrance, the more likely to suck water.
Q:Water pump "rated lift: 6m" what do you mean?
Popularly speaking, "lift head" is the ability of water pump to lift water. 6m means that the pump can pump water to the height of 6m.
Q:How to install circulating water pump for cooling tower?
Water pump, cold water pump and hot water pump, the specific installation depends on the location of the cooling tower and the location of the heat exchanger, high cooling tower position, the need for hot water pump, heat exchanger position high.The cooling tower, cooling tower (Cooling tower), is using water as coolant, from a system to absorb heat emissions to the atmosphere, heat exchanged to produce steam, steam heat to volatile evaporation dissipation, convection and radiation heat transfer principle to disperse industrial waste heat or refrigeration and air conditioning to reduce evaporation cooling device therefore, in order to ensure the normal operation of the system, device as a barrel. The cooling tower can be divided into natural ventilation cooling tower and mechanical ventilation cooling tower according to its ventilation mode.
Q:How can the pump be stationary?
1, the pump can move under the premise of turning disc. Pump should be empty load start, that is, in the closing of the export valve in the state of start, there will be no rotation of the situation.2, look at the voltage of the circuit is normal, whether the lack of phase.
Q:How to determine the pump installation elevation, why should we determine the pump installation elevation?
Determination of pump installation elevation: the geometric height between the suction well level and the center line of the pump impeller, plus the hydraulic loss of the suction pipe, is the actual installation height of the pump. (notice: if the suction level is higher than the center of the impeller, it should be negative)To determine the water pump installation elevation reasons: general water pump nameplate on the "NPSH" value, the above calculation of the value must be less than this NPSH value, so as to ensure that water pump is not prone to cavitation.[NPSH] - allowable cavitation margin is to determine the conditions of use of the pump cavitation margin.
Q:How does a pump pump water?
Centrifugal pump is the use of centrifugal force to increase the pressure of water and make it flow of a pump. It is composed of pump shell, impeller, rotating shaft and so on. The motor drives the rotating shaft, the rotating shaft drives the impeller to rotate at a high speed in the pump casing, and the water in the pump is forced to rotate with the impeller to generate centrifugal force. The centrifugal force forces the liquid from the impeller periphery to throw, the high speed, the high pressure water flows through the pump shell outside the pump, the impeller center forms the low pressure, thus draws in the new water flow, forms the unceasing water current transportation function.
Q:What does the pump lift mean?
The pump head is the height or length of the distance from the pump to the outlet
Q:What is the relationship between pump power, lift and flow?
N= QH/1000 gamma ETA gamma, severe liquid, cattle - ETA / m3; efficiency; N- kW; H- head, power meters;Q- volume flow per cubic meter / sec.

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