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High Pressure Pump 200 Bar

High Pressure Pump 200 Bar

High pressure pump 200 bar MD type wearable centrifugal mine water pump is used to transport the clean water an the neutral liquid of pit water with solids grain<1.5%. Granularity <0.5mm. The pumps are suitable for water supply and drainage in mines, factories and cities. Note: When the...

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High pressure pump 200 bar

MD type wearable centrifugal mine water pump is used to transport the clean water an the neutral liquid of pit water with solids grain<1.5%. Granularity <0.5mm. The pumps are suitable for water supply and drainage in mines, factories and cities. 

Note: When the situation is in the coal mine, explosion proof type motor shall be used.

High pressure pumps 200 bar.jpg

Calulation

The erection height of the pump, that is the vertical distance from the sucked liquid surface to the pump shaft should be less than it which should be taken into consideration for users to select the pump, is calculated per the following formula:

Hsz Ha-Hv- Hs-(NPSH)r Of which:

Hsz-- the erection height set with the pump(m)

Ha--- the head of the atmospheric pressure under the conditions on the spot of use(m)

Hv--- the head of the vapourized pressure under the temperature of the liquid being umped(m)

Hs-- the lost head of the suck-in pipeline(m)

(NPSH)r-- the necessary value of NPSH given in the table

of performance parameters(m)

Structure

Model MD pump consists of four parts, stator, rotor, bearing and shaft seal:

1.Stator consists of inlet, middle and outlet sections and the guide vane etc., with the take-up bolt tightly clamping all sections to form a working room. The inlet of it stands horizontally while the outlet vertically upward.

2.Rotor consists of the shaft, impeller, balancing disk and muff etc., the shaft passes the power to the impeller to have it work; the balancing disk balances the axial force; and replaceable muff is mounted on both sides of the shaft to protect it.

3.There are rolling and sliding bearings: The rolling bearing consists of bearing seat, bearing and bearing gland and uses grease for lubrication. The sliding bearing consists of bearing body and cover, liner, dust-proof disk, oil leveller, oil throwing ring etc., and uses thinned oil for lubrication.

4. The shaft is sealed with stuffing and the shaft seal consists of the sealing contents, stuffing, baffle. The liquid in the sealing work-room functions water-sealing, watercooling and water lubricating and the water for watersealing comes from the pressure water inside of the pump. In addition, the pump is directly actuated by the prime mover through the elastic clutch and, viewing from the prime mover, moves CW.

Material

Suction CasingZG230-450,QT500-7Seal-ringQT500-7,2Cr13
Discharge CasingQT500-7Diffuser SleeveQT500-7,2Cr13
Middle CasingQT500-7Impeller Sleeve2Cr13, 45#Steel
DiffuserQT500-7Balance SleeveQT500-7 3Cr13,45#
ImpellerZG230-450,QT500-7Balance RingQT500-7
Shaft 40Cr, 45#Steel, 35CrMoBalance DiscQT500-7


●Municipal water supply and distribution

●Domestic water supply

●Cooling water transport

●Hot water applications

●Fire fighting

●Food, chemical and process industry

●Irrigation


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