KQDW series horizontal single-suction multi-stage centrifugal pump

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Product overview

KQD series multistage centrifugal pump is divided into KQDL vertical, KQDW horizontal multi-stage single export-oriented and KQDL vertical centrifugal pump, KQDW horizontal multi-stage export-oriented four more structure. Closer to the pump body of the new return pipe structure design, return pipe is not easy to damage, at the same time enhance the sealing of the pump. Instead of "O" ring rubber bellows mechanical seal is solved easily produce scale, jammed caused by mechanical seal leakage problem, quality is more reliable. Novel structure, superior quality; Running stability, avoid killed; Advanced design, save the investment; Unique parts and reduce the noise.

Application field

KQDL series multistage pump is my company according to the market need and development of series products, this product compared with similar products is small, the head difference between the same specification can be convenient for users to choose. This product is accord with GB/T 5657-5657 < < centrifugal pump technology conditions (Ⅲ) > > standard.

The working conditions

Speed: 1480/2950 r/min

Liquid: clean water or physical and chemical properties similar to water in the liquid.

Liquid temperature: 120 ℃ or less

Flow range: 3.7 ~ 200 m3 / h

Lift range: 12.1 ~ 240 m

The suction pressure of the maximum working pressure: maximum pressure 2.5 Mpa or less + pump

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Q:Water pump outlet valve sequence
To reduce the impact of vibration, noise and vibration on the valve, the soft connection is best at the pump outlet.The check valve is sometimes checked, so it is placed in front of the outlet valve so that the water can be checked out. I think the order should be: pump outlet, soft connection, check valve, gate valve (butterfly valve)
Q:How about the depreciation of vacuum pumps?
(three) appliances, tools, furniture and so on related to the production and operation activities, for 5 years;(four) aircraft, trains, ships and other means of transport for 4 years;
Q:What is the minimum continuous flow of a pump?
At'-- the allowable temperature rise of pumping medium,C- pumping medium specific heat, kj/ (kg DEG C);Ho- off dead center lift, M.Minimum continuous flow minimum continuous stable flow and minimum continuous thermal flow and the maximum value in the selection, or use the pump process, the minimum continuous flow process requirements must be greater than the minimum flow rate of the pump, otherwise it will cause the pump cavitation, vibration and noise, so that the pump parts damaged. If the minimum continuous flow the pump can not meet the minimum requirement's process, can install the bypass reflux device or reflux system in the pump pipeline, to ensure that the minimum continuous flow pump.
Q:What is the main difference between SK water ring vacuum pump and 2BV water ring vacuum pump?
The 2BV vacuum pump belongs to the machine pump coaxial type direct connection design. It saves space and is easy to install;The use of mechanical seals as standard configuration eliminates leakage and easy maintenance;Smooth running, low noise to 62 decibels;
Q:Pump operator's responsibility Sharing the rules, responsibilities, etc..
7., master the knowledge of concrete mix ratio, strictly forbid to add water to the pump at will.8., concrete mixing and workability, gravel diameter is too large, effectively refuse to pump.9. when the delivery pump fails, it can analyze the cause and quickly eliminate the trouble.10. pump complete, you must clean the pump body and pressure pipe residual.11. complete other temporary work assigned by the leader.
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:What is the dry running protector of screw pump? What's the principle and function? Thank you
Principles are generally temperature sensing, such as: when the screw pump by air, the stator and rotor will be heated due to friction,
Q:Constant pressure pump working principle
Constant pressure pump is pressure maintained at the set pressure, flow control valve according to the order, there is pressure to set, after the pump displacement is reduced, as for how to reduce emissions, to see how much you need to flow.
Q:How high can the pneumatic diaphragm pump be?
Diaphragm capacity, high temperature, pneumatic diaphragm pump ability, high temperatureMany users do not know how high the temperature resistant diaphragm pump, diaphragm pump either electric diaphragm pump or pneumatic diaphragm pump products it cannot do without diaphragm attachments, diaphragm materials mainly fluorine rubber, rubber, rubber, polyether road three EPDM, PTFE several, if not considering the gas temperature resistant diaphragm made of stainless steel. The temperature to 600 degrees of diaphragm pump diaphragm pump, but must use the diaphragm, so the diaphragm pump can Naiduo high temperature depends entirely on the diaphragm was affected by temperature, following to share various diaphragm pump diaphragm material and different material temperature choice diaphragm pump product right:
Q:Pump unloading in hydraulic transmission,
Unloading water, from the literal interpretation is along the pump, leakage of water seal through the head, the water with certain pressure (even with relief effect seal). The water as the working quality is asked to be recycled, now the design of some use it as a water seal, and others by direct recovery, but eventually recovered.

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