TPWA Horizontal Multistage Centrifugal Pump

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Product Description:


TPWA Horizontal Multistage Centrifugal Pump

Product Introduction:
  TPWA series multi-stage centrifugal pump is horizontal, single-suction multi-stage and segmental, which is an energy-saving series of product developed and produced lately, a new product based on the major technical improvement for TPWA mutli-stage centrifugal pump. Its performance parameters and technical indexes have all been improved significantly, so it has much noticeable advantages as high efficiency, low running noise, strong cavitation resistance, reasonable structure and long service life.
   The full line of TPWA multi-stage centrifugal pump includes 5 type and 40 specifications, whose performance range is:flowQ=1.5~191m3/h, lift head H=17~247m and rotation speed n=1450r/min.    TPWA multi-stage centrifugal pump is used to transport the clear water or other liquids with similar physical and chemical propertiea as clear water with temperature less than 80℃. It is widely applicable for water supply and drainage of city buildings, factories and mines, especially for refrigeration and air-conditing water supply in guesthouse, hotels and recreation areas.
Range of Application:
  Daily and fire water supply for high-rise,water supply and discharge in mines,cyclic pressurization,air-conditioning system.
Type Designation
125 TPWA×5
125 –Pump inlet diameter(mm)
T – Turbine type
P– single-stage impeller
W – To transport clear water or liquids similar as water with temperature less    than   80℃
A –A new generation of improved product
5 – Pump stage number
Technology Parameters:
Flow::15-191m3/h
Head:17-292m
Power:2.2-180kw
Rotary speed:450r/min
Calibre:50-150mm
Temperature range:-15℃-+80℃


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Q:What is the reason for the overload of the water pump indicator?
In this case, first check the frequency of the pump in the acceleration and deceleration time, to see how many seconds, 7.5KW10 seconds or so, 11KW 10 to 15 seconds, to see whether the peak water supply, low voltage and so on! Hope to be of some help to you!
Q:What are the parameters of the pump price?
First, the brand, brand sound, the price needless to say, second, material, stainless steel and cast iron, of course, not the same priceThird, the size of the motor, the motor determines the parameters of the pump, not motor power, and also imports and domestic.
Q:Is the motor with a pump a squirrel cage induction motor?
Not necessarily, mussaurus main motor and conventional motor rotor winding is the difference of mussaurus, can be in series with other equipment, to achieve more functionality!
Q:Domestic pump does not turn, but the motor is energized what is the problem?
This is the start capacitor is damaged, or start the coil break, it is recommended to check if the coil wire in the end can be connected, if left in the tank to replace the coil, if the capacitor is a replacement can (470V, 10uF).
Q:When using a frequency converter to adjust the pump, what is the relationship between the change of the speed and the efficiency of the pump?
First, the wind pumps such load is usually called square torque load, which is in a certain range of speed and torque is roughly proportional to the square of the speed of N, TL=kn^2, power and speed is proportional to the cube, the energy-saving effect is obvious. Can also be described according to what you pump model, the pump is divided into piston pumps, screw pumps, impeller pumps and centrifugal pumps.Secondly, under the standard condition, the higher the efficiency of the centrifugal pump, the higher the speed determines the size of the centrifugal force, the higher the speed, the greater the centrifugal force, and vice versa. Plunger pump and screw pump is not the same, the speed of speed and efficiency basically no impact. Third, in addition to buying the pump, you can let the manufacturer give you an FM curve, so you can see the frequency of mediation when the water pump efficiency changes
Q:What does water pump mean?
A device that applies power to a liquid and transfers it to where it is needed.
Q:Pump power ratio design is small, the problem is big?
No problem, despite the good use of different water pump factory manufacturing process is different, the product of the rich value of different factors, power difference is inevitable, as long as the flow and head to meet your use requirements.The calculation formula tells you: your flow is 72 tons / hour, lift 90 meters, motor power P=2.73HQ/0.75*1.2=28.5KW
Q:What is the reason that the water supply of pump is getting smaller?
What kind of pump is it, home pump or factory pump? Single stage impeller or multistage impeller? Vertical or horizontal? Is it single suction or double suction? Different structure of the day pump has different causes of failure. But in general, there are several aspects: 1., the water inlet is small, the inlet pipe is blocked; 2., the blade is worn or broken; 3., the motor speed drops; 4., sealing serious leakage; 5., cavitation phenomenon.
Q:22KW pump motor direct start circuit breaker and contactor size? Concrete calculation method
22KW the water pump motor is 380V. 22KW rated current is about 44A, 10 square copper wire is enough, the motor will often start off ah, if it is not available for DZ108-63 50A, CJX2-50 50A contactor is 380V.Pump motor (pump motor) according to the structure classification, should be divided into horizontal motor and vertical motor. Because of the work characteristics of pump starting torque is relatively small, the starting frequency is relatively small, relatively long time continuous operation and other characteristics, so the majority of pump motor asynchronous motor cage rotor or synchronous motor.The pump motor should be selected according to the selection of shaft power; motor shaft power power is greater than one level; for example: axle power is 15KW, select the motor should be: 18.5KW for motor with very few, according to the actual working conditions. 2 pole motor is generally used in the head of micro height, flow is not large (calculation is more complicated). Large flow, small lift occasions can choose 4 pole motor. Super large flow, lower head select 4 or 6 pole motor, when choose six pole motor, power can be reduced according to the shaft power of a grade.
Q:The car water pump is broken. What are the symptoms?
China water pump trading network for you to answer: car water leakage symptoms are mainly 1, leakage (water leakage is minor and serious), slight leakage, only in the water pump ventilation holes left on the traces of coolant color. Serious is the direct cause of higher temperature Water Leakage, symptoms of a lack of cooling liquid; 2, the weak ability of circulating pump circulation: if the ability is weak, will appear high temperature phenomenon, especially in the southern summer is more obvious; 3, abnormal sound; if the water pump bearing internal problems, abnormal noises in the belt drive that may be slight, you did not find.

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