MD-D series coal mine with wear-resisting centrifugal pump

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Product overview

D type horizontal multi-stage centrifugal pump, MD type coal mine with wear-resisting centrifugal pump is our company according to the market need and development of series products. This product has a compact structure, strong commonality, high reliability, etc. The import and export direction can rotate 270 degrees, pump shaft can change the direction. D type, MD type pump has the same performance parameters and installation size. By changing the material of pump can be used to transport medium containing abrasive (particles). This product is accord with GB/T 5657-5657 standard for centrifugal pump technology conditions (Ⅲ). MD series products accord with MT114-1985 standard for coal mines with wear-resisting centrifugal pumps.

Application field

D type horizontal multi-stage centrifugal pump, MD type coal mine with wear-resisting performance of centrifugal pump with the same parameters and installation size, this series product has advantages of compact structure, strong commonality and high reliability, import and export direction can rotate 270 degrees, pump shaft can change the direction. By changing the material of pump can be used for conveying medium containing abrasive (particles). This product is accord with GB/T 5657-5657 standard for centrifugal pump technology conditions (Ⅲ). MD series of products also accord with MT114-1985 standard for coal mines with wear-resisting centrifugal pumps.

Product features

Can a good aspiration, breathe flange and flange can be arbitrary direction; Midway through the processing precision, high concentricity; Suction segment, middle section of the three sections of water use tension bolt connection as a body, safe and reliable connection

The working conditions

The work speed: 2950/1480 r/min

Medium: D type horizontal multi-stage centrifugal pump used for conveying water or physical and chemical properties of containing no solid particles similar Yu Qingshui

The liquid.

MD type coal mine with wear-resisting multistage centrifugal pump used for conveying solids content (volume concentration) is not greater than 1.5%

(particle size is less than 0.5 mm), the temperature is not higher than 80 ℃ of neutral mine water or other similar wastewater.

Liquid temperature: 0 ~ 80 ℃;

Flow range: 6.3 ~ 1200 m3 / h;

Lift range: 50 ~ 1140 m;





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Q:Which nuclear submarines use the shaftless pump technology?
Shaftless pumping technology and Simulation of shark skin technology are all the next generation of submarine propulsion technology. At present, there is no submarine in the world.
Q:Concrete pump 125 pipe wall thickness
Concrete pump diameter 125mm, pipe wall thickness is generally 4mm, also have 4.25mm, 4.5mm, 4.75mm, need to be in accordance with the rules of transport.
Q:Bolus dosage of infusion pumpWhat is the purpose of the pill dose control in the special safety standard for infusion pumps? If the risk is not properly controlled, what is the degree of risk? And how can the open infusion pump be used in this regard?
(1) the pellet dose in the safety standard of the infusion pump refers to the amount of liquid that is transported to the patient in a short period of time(two) pill dose limit is mainly to control the risk of accidental pill dosage. Especially after the mandatory requirements of pipe blockage in the elastic pipe storage liquid limit amount of agglomeration and the limitation of these methods to release pill dose.
Q:What are the internal losses in centrifugal pumps? How did they come about?
Volume loss: loss due to leakage;3. mechanical loss
Q:How many millimeters is the diameter of the water outlet of the four inch pump?
If it is a centrifugal pump, the nominal diameter of the outlet is less than 4 inches, there is a conical short tube to enlarge the standard 4 inch outlet flange, from here, is the standard 4 inch flange connection.
Q:What's the difference between a centrifugal pump and a centrifugal pump? What are they used for?
As the name suggests, centrifuges are machines that achieve centrifugal effects by centrifugal action. And you say the centrifugal pump is only specific, and the same as the pump
Q:How should the water pump be installed?
(4) before installation, make sure all pipes connected with the pump should be clean, and no solid foreign bodies which may cause damage to the pump shall be allowed.(5) apply the blind flange or other things to the suction, exhaust or open pump to ensure that no sundries enter the pump cavity during the installation.(6) check whether the pump random data is complete and complete; whether the pump surface has obvious damage. Only with complete data, no obvious damage to the pump, you can continue to install.(7) the installation of centrifugal pump with the coupling of the hand when turning slowly rotating coupling or pulley, observe the pump rotation are stable, flexible and adjustable, the rotor parts have no jamming, the pump has no debris crash, bearing the operation is normal, with elastic suitability.
Q:What is pump suction work?
Pumping loss refers to the loss of work done by the piston of the engine in the pumping process compared with the theoretical cycle. Theoretical pump Qigong to remove the loss of pump gas after the actual pump qigong.
Q:How long does the fine stone pump need maintenance? What should I pay attention to?
Check the line from the relief valve to the cylinder inlet to ensure that there is no external drainage or deformation due to impact and wear and that the connections are complete and fully tightened. - replace any damaged pipe immediately. - change the original settings strictly: all adjustments and calibrations can only be done by professionals. - no fucks hydraulic components, otherwise manufacturers on product warranties and liability shall not be responsible for. A warning because the hydraulic oil can reach very high temperature, there is the danger of burns, so open pipe fittings should take appropriate protective measures. Any replacement parts must conform to the level specified by the manufacturer. 8.2 check lubrication grease pump in oil at any time to ensure adequate and clean the lubrication pipeline joints without overflow phenomenon. Check the lubrication of the running parts at any time, and find the parts which lack oil, and check them immediately to prevent accidents. - check that the centralized lubrication system is effective daily. When the grease pump is empty, the grease added is often not easy to pump out because of the bubble. In this case, open the outlet of the pump, run the grease pump until the grease is re flowing, and then connect the pipe
Q:How to select metering pump head?
In metering fluoride, we recommend the use of Viton, sealed PVC pump head. For most chlorination applications, it is better to use EPDM sealed NP (plexiglass) pump head. For hydrogen peroxide mixtures, only PTFE sealed PTFE pump head or stainless steel pump head can be used

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