At present, there are four flow control methods of centrifugal pump widely used in the market: outlet valve opening adjustment, bypass valve adjustment, impeller diameter adjustment and speed control.Common flow control methods of centrifu…

The mixed flow pump will be installed after you buy it, but how to install it to ensure its normal use is also a very important thing. In fact, it is also a technical activity in the installation process. So there will be a lot of things t…

There are two main water filling methods before the start-up of single-stage centrifugal pump: one is to fill water by assembling the bottom valve, which is a one-way valve installed at the inlet of the inlet pipe. The disadvantage of this…

Classification of sewage pumps: submersible sewage pump, pipeline sewage pump, self-priming sewage pump, submerged sewage pump and slurry pump(1) Impeller passage blockedIf part of the flow passage of the impeller is blocked, it will affec…

① No response after power on. Most of them are caused by short circuit of power plug, power outgoing line and motor winding.② , difficult to start or unable to start, accompanied by "buzzing" sound. During maintenance, small bamboo can be …

Sewage pump is a kind of pump product which is connected with pump and motor and works underwater at the same time. Compared with general horizontal pump or vertical sewage pump, sewage pump has compact structure and small floor area. The …

1. What is the main working principle of centrifugal pump?The motor drives the impeller to rotate at a high speed, causing the liquid to generate centrifugal force. Due to the action of centrifugal force, the liquid is thrown into the side…

(1) Sliding magnetic phenomenon when the magnetic pump is overloaded or the rotor is stuck during operation, the driving and driven parts of the magnetic driver will slip off automatically. At this time, the driven parts will not operate s…

Self priming pump is a centrifugal pump that can automatically pump water up without filling the suction pipeline with water. There are many structural types of fluoroplastic self-priming pump.Generally speaking, the structure of fzb self-…

The water injection pump vibrates and makes large noise, which is caused by pump evacuation, cavitation or mechanical failure.(1) The pump is not vented before starting or the air in the pump is not completely vented;(2) The impeller and i…

Fluoroplastic magnetic pumps are widely used in various fields of national economic construction, such as petrochemical industry, mining, metallurgy, electric power, water conservancy, national defense, farmland irrigation and drainage, ur…

Article source: unknown editor: screw pump Author: screw pump publication time: November 10, 2011 10:49 font size: [large, medium and small]It is often encountered in practice that the head of asphalt insulation pump is lower than that of …

1、 Common tools1. One set of general fitter tools;2. Box wrench, socket wrench and Allen wrench set;3. Special oil drill - for pulling and inserting rubber pipe;4. Cutter holder - for rounding rubber washer;5. Rubber knife - draw a straig…

During the operation of the imported vacuum pump, sometimes the vacuum degree of the imported vacuum pump is low. So, how can we find out the cause of the problem and solve the problem? Let's take a look:1、 Air leakage of inlet vacuum pum…

When the vacuum pump is working, air bubbles always cause bubbles, especially when there are active additives in the oil, and the foam is not easy to disappear. The use of foam in smooth oil will destroy the oil film, not only cause the fr…

Through news reports, we learned that many people just bought vacuum pumps, which soon had problems such as oil leakage and belt cracking. In terms of losses, the amount is not large, but the problem is very serious. Here, Xiaobian can onl…

The quality application of vacuum pump can speed up the embodiment of equipment performance strength, improve the development advantages of its quality strength, fully accelerate the overall drive of product value performance, make the vac…

In the process of using the vacuum pump, friends have encountered the sudden feeling of high motor temperature. At this time, you need to check one by one to eliminate problems.1、 Causes of high motor temperature1. The motor has high powe…