Single-stage double-suction centrifugal pump

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Product Description:

  • Type S(SM\SF\SL) is the new saving product of replacing the old, it's high efficiency, smooth operation, safe and reliable. The pump designed by the national standard and take the new materials, construction so as to transfer lots kinds of liquids.

    Type S is used to transfer clean water or similar liquids in physical and chemical properties; Type SM is used to transfer liquids with sands; Type SF is used to transfer.

    Kinds of corrosive liquids. Type SY is used to transfer oil; Type S(SM\SF\SL\SY)
    Said suitable for factory, mine, city, power plant, irrigation and so on, the temperature Range from 20'C-180'C.
    Performance range: Capacity: 50~15000cube per meter
    Head: 8.6_140m

    All the pump can be designed to the data and construction
    Following the requirements of customers.
    Construction: Type S (SM\SF\SY)pump is horizontally installed, the inlet and the outlet are under the shaft. The casing and cover of the pump are divided along the axis. It is unnecessary to disturb inlet piping and outlet piping while maintenance.

    Bearings: The two ends of pump are rolling bearings to support the rotor, the lubricated oil is grease, as the dia. Of outlet bellow 700mm, which get lubricated with oil.

    Shaft seal way:
    1)Soft packing seal
    2)Mechanical seal(the outlet dia. Is bellow 800mm). Type SL is vertically installed, the inlet and outlet are under the shaft. View from the motor, the rotation of the pump rotor is clockwise.
    3)According to requirements of customers, the rotation can be changed into counter clockwise.

    Materials of tolerance parts: Type S: Cast iron
    Type SM SY: Anti-friction cast iron, cast steel, and stainless steel.
    Type SF: NiCr cast iron, stainless steel
    The description of pump type
    For example: 500S(SM\SF\SL\SY)35A
    500_inlet diameter ( mm ).
    S_Single-stage double-suction centrifugal pump with horizontal split casing.


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Q:Harm of air pump and pump
If the liquid is not full, this situation is generally the suction pipe or pump shell leakage, then easy to cause cavitationHit the pump for centrifugal pumps, centrifugal pump is recommended to start closed, the discharge valve closed, starting is in the state of pump
Q:Pump operator's responsibility Sharing the rules, responsibilities, etc..
1., consciously abide by the traffic control department management rules, to achieve civilized driving, safe driving.2. responsible for the daily maintenance, cleaning and cleaning of the pump truck, and ensure the equipment is in good condition.
Q:Constant pressure pump working principle
15MPa. 20MPa means that if you enter the 20MPa, the variable mechanism will work, and the flow at this time automatically matches the load. 20MPa used to supply the fuel by maximum displacement.
Q:How many pumps does the 80cm tank use?
For example, you are 80 cm tank, assuming you are 40 cm wide, the water surface is also 40 cm, then the final count by 80X40X40=128000 cubic centimeter, that is, 128000 ml.
Q:What is the distance between the pump and the wall?
What do you mean by that? If your pump is parallel to the wall! Then, the wall of the pump near the wall is usually 500mm. This is an empirical data, considering the import pipe length, pump maintenance and motor heat dissipation and other aspects of the situation to determine. Dozens of pumps installed in our company are placed in this size! Hope to be of help to you.
Q:How many square cables does the submersible pump for 7.5KW need?
I=P/ (1.732Ucos phi) =7.5/ (1.732X0.38X0.85) =13A (calculated according to three-phase city power, power factor 0.85).
Q:Water pump dead center lift
The dead point head is the measured head after the outlet valve is closed. Mainly on the lower reaches of the pump equipment, such as your dead center, the lift is 300 meters, that is, 3MPa
Q:What is the "variable" of a variable pump?
These two don't mean the same thing? That is, the pump outlet can be changed
Q:What is the function of the heating pump system for the water pump design?
Will cause some of the internal friction gap disappeared, the coupling center damage. In this case, starting the pump inevitably results in vibration, friction, etc.
Q:Why can't the inlet of centrifugal pump be negative pressure?
The entrance can be a negative pressure. You can often see someone pumping water from the pool. How can you pump water if it is not negative pressure?

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