S/SH Single stage Double Suction Centrifugal Pump

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Product Description:

S、SH Single-stage Double-suction Centrifugal Pump

Product Introduction:
  S and SH single-stage double-suction split-casing centrifugal pumps are used to pump the ckear water or other liquids with similar physical and chemical properties as clear water. The temperature of transported liquid shall not exceed 80℃. It is applicable for factory ,mine, city water supply,power station, irrigation and drainage of farmland and various water conservancy projects.
Range of Application:
Applicable for factories ,mines,urban water supply, power stations, waterworks,agricultural irrigation and drainage, and other water conservancy projects.
Type Designtion:
300 S 90 A
300 –Diameter of pump inlet(mm)
S – Single-stage Double-suction Centrifugal Pump
90 –Lift head of design pointed(m)
A – Change mark of impeller outlet diameter
Technology Parameters:
Flow:108-6500m3/h;
Head:8-140m;
Power:18.5-1250KW;
Rotary speed:580-2950r/min;
Calibre:150-800mm;
Temperature range:≤105℃


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Q:Fire pump room is required to set up water pump control room?
What is the concept of fire pump control room? If there is a control room host automatic alarm automatic fire alarm system of words (through the pump distribution box can also control) can control the fire pump, if there is no distribution box automatic alarm system you can through the pump room control
Q:What are the export pumps packed in cartons?
Our imported pumps are covered with plastic tape and bolted to wooden containers. The wooden box is nailed down.Naturally, the larger pump uses the larger container accordingly.Suggest exports, as sure as imports, OK.
Q:Does the IP55 indicate the lift on the water pump nameplate?
IP55 refers to the level of protection
Q:1.5 kW three-phase pump with 600 meters line, should match what big line?
1.5 kilowatts water pump distance 100 meters, with 2.5 square meters of electricity enough
Q:How to measure the temperature of pump body?
It's the temperature of the pump motor!In addition to large pumps, water temperature is rarely monitored. Even so, the temperature of the pump body will not be measured.Since the water pump pumping, the leaves, vanes and shells are no temperature rise, the temperature is mainly concentrated in the bearing: small pumps rely on the work medium can play a role in reducing friction heat;Heating large pump mainly in the thrust bearing and guide bearing, if the bearing is lubricated by water cooling water, if there is oil lubricated oil cooling equipment specially, temperature monitoring of bearing large pumps can be installed in the pump thrust bearing temperature sensor to monitor the varnay.
Q:Water pump mutual switching device
Now fire control cabinet has several requirements, multi-channel start, failure switch, automatic inspection, etc.Failure switching is when the main pump fails to start, the standby pump is put into operation automatically (and the two pumps are alternate).Mutual investment due to the original selection of different electrical principle is slightly different, but the same is the control of the main contactor, the main contactor when the main pump without electricity and suction time, time relay (or PLC fault detection delay is given by the pump start signal delay conversion) pump operation.You'd better find a fire drawing study.
Q:How should the water pump breaker be selected?
If it is a single-phase motor, rated current is 75A; three is about 30A; the contactor should be 1.1-1.5 times the rated current of the motor protection type selection of circuit breaker, circuit breaker: RMM1-100/33002 or 50A motor comprehensive protector, the price is not expensive.The circuit breaker (English Name: circuit-breaker circuit, breaker) refers to the closing, carrying and breaking current conditions and normal circuit switch device, load and breaking current loop abnormal conditions within the stipulated time. The circuit breaker is divided into high voltage circuit breaker and low voltage circuit breaker according to its range of use. The demarcation line of high and low voltage is fuzzy. Generally, more than 3kV is called high-voltage equipment.The circuit breaker can be used to distribute electricity, not frequently start asynchronous motors, the protection of the power line and a motor, can automatically cut off the circuit when they occur serious overload or short circuit and under voltage fault combination, its function is equivalent to the fuse switch and less thermal relay etc.. Moreover, after breaking the fault current, there is no need to change the components. At present, it has been widely used.Distribution is an extremely important link in the generation, transportation and use of electricity. Distribution systems include transformers and various high and low voltage electrical equipment. Low-voltage circuit breakers are a wide range of electrical equipment.
Q:37KW how many contactors does the pump need to start directly?
First of all, you have to see what voltage you use If 380V then current per KW is about 2A, if it is 660V per KW at about 1.1A, then it is the starting current is 3 to 7 times for the starting current, but for the moment, 380V voltage: 37*2=74A 100A on the line, 660V voltage: 37*1.1=40.7A 63A on the line.
Q:Pump power ratio design is small, the problem is big?
The flow is 20 L/S! Q = 20, L/S = 0.02 m^3/SThe total efficiency of the pump and the motor is estimated to be 60%P=pgHQ/n=1000*9.8*90*0.02/60%=29400W= 29.4, KWLook at the water pump motor power 30KW just enough from the calculation, but there is no room for the use of the attention do not overload!(Note: motor power matching pump nameplate are generally too large, room.)
Q:What does the pump lift mean?
The pump head is the height or length of the distance from the pump to the outlet

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