1. The inlet and outlet pressure, flow and motor current of the centrifugal pump shall be kept in the normal use standard, and it is prohibited to pump for a long time. The flow and head of the acid and alkali resistant centrifugal pump sh…

Centrifugal pumps are composed of many parts. They can be roughly divided into three categories according to the working state of each part during operationType: rotating part, fixed part J4: and connecting part. Take the single-stage sing…

Dadonghai Pump Wuxi Co., Ltd. is a professional centrifugal pump manufacturer. When selecting centrifugal pumps for customers, our pump manufacturers will provide perfect pre-sales services such as centrifugal pump models, centrifugal pump…

With the aggravation of the environmental protection situation, more and more chemical enterprises are required to use magnetic pumps to transport various corrosive materials. As we all know, magnetic pumps cannot idle. As long as they idl…

The cavitation phenomenon of centrifugal pump is one of the common faults of centrifugal pump. Once cavitation occurs in the pump, its flow and head performance will not only decline, but also show obvious high noise and vibration. In seri…

The pipeline centrifugal pump is a novel pump developed for pipeline pressurization and transportation to solve the problem of low pipeline pressure. It has great advantages over the horizontal centrifugal pump currently used. The advantag…

All newly purchased and installed centrifugal pump products need to be tested in advance after installation. The following centrifugal pump testing methods and precautions should be followed when testing centrifugal pumps1. Before starting…

If conditions permit, it is better to read the manufacturer's maintenance instructions and general assembly drawings first to see what special points need attention.1、 During disassembly:1. Before removing the thrust bearing, measure the …

1、 Type of mud flow pumpMixed flow pump is a kind of pump between centrifugal pump and axial flow pump. Its lift is suitableMedium. With large flow and wide application scope, it is a good pump type in plain river network areas and hilly …

Chemical pumps are widely used in chemical, petroleum, metallurgy, light industry, synthetic fiber, environmental protection, food, medicine and other sectors. Compared with other types of pumps, chemical pumps have the advantages of stabl…

Sewage pump is used in various fields, such as mechanical or electrical equipment, to provide various power required for equipment operation. The sewage pump has reliable quality, simple structure, stable operation, and does not need shaft…

When installing the vertical multi-stage centrifugal pump, if it is not debugged well in the early stage, it will affect the working performance in the future. Next, we will share the details and matters needing attention in the installati…

Introduction to the assembly process of centrifugal pump:General requirements for assembly1.1 The pump parts must be qualified products, and all rust prevention treatments have been completed.1.2 During assembly, the parts shall be cleaned…

The centrifugal pump manufacturer pointed out that in order to better discharge the gas in the moisture absorption pipe and generate a certain vacuum value when the centrifugal pump is working, the exhaust pipe must be used. For small pump…

The service life of equipment has always been a topic of great concern. Many friends want to buy a device with a longer service life when they buy it. They are afraid that there will be some problems in the use process and they will have t…

Pressure is not a benchmark, but a derived force and area. Pressure gauge, also known as pressure gauge, is an industrial automatic instrument used to measure the pressure of gas or liquid. The pressure gauge of centrifugal pump can displa…

Overview of corrosion resistant abrasive slurry pump:Corrosion resistant abrasive slurry pump is a new type of piston pump developed on the basis of absorbing advanced technologies at home and abroad. Such products are powerful and widely …

At present, submersible pumps and submersible sewage pumps are very popular in sewage discharge, because they are cheap, easy to use, and do not occupy space. There are several installation methods of submersible sewage pump, which can be …

MD wear-resistant multistage centrifugal pump is highly efficient, energy-saving, wear-resistant and reliable, and has a long service life. It is especially suitable for mine drainage. It pumps mine water and other similar liquids with a v…

New enterprises need to purchase new machinery to meet the needs of normal operation and production and operation of enterprises. The use of micro vacuum pump in the workshop can effectively reduce the dust and bacteria in the workshop, an…

今週のお題「やる気が出ないとき The self-priming pump manual attached by many manufacturers basically introduces the self-priming pump model performance parameters, self-priming pump characteristics and scope of use, and the self-priming pu…

1. Real non clogging performance: spiral centrifugal pump has extraordinary non clogging performance. The open economic belt of the pump has the characteristics of high efficiency and non clogging, and it is easier to transport solid and l…

CQB-F fluoroplastic magnetic drive pump adopts magnetic coupling transmission, and there is no dynamic sealing point, so the phenomenon of running, emitting, dripping and leaking at the shaft seal of general shaft drive centrifugal pump is…

Pneumatic diaphragm pump is a new type of conveying machinery, which is the latest novel pump. Compressed air is used as the power source, and all kinds of corrosive liquids, liquids with particles, high viscosity, volatile, flammable and …

Magnetic pump is a new product newly developed by Jiangda Pump Industry, which overcomes some shortcomings of gear oil pump,1. Broken shaftThe magnetic pump shaft is made of 99% aluminum oxide porcelain. The main reason for the fracture of…

1、 Maintenance method of packing seal1. Clean the stuffing box of the sewage pump and check the shaft surface for scratches, burrs, etc. The stuffing box shall be cleaned and the shaft surface shall be smooth.2. Check the shaft runout. Th…

The corrosion resistant self-priming pump body is superior to the all plastic self-priming pump in thermal deformation resistance, stress damage resistance caused by thermal expansion and contraction of pipelines, installation reliability …

Fluoroplastic self-priming pump adopts metal shell lined with fluoroplastics, all flow passage parts are made of fluoroplastics alloy, pump cover, impeller, etc. are made of metal inserts wrapped with fluoroplastics by overall sintering an…

1. Since the cooling and lubrication of the magnetic pump bearing depend on the conveyed medium, it is prohibited to run without load, and avoid the time and space load running caused by restart after power failure during work.2. If the co…

The pipeline centrifugal pump is used to transport clean water and other liquids with physical and chemical properties similar to clean water. It is suitable for industrial and urban water supply and drainage, pressurized water supply for …