This is a significant misunderstanding.Many customers think that if they need a head of 20 meters, then a pump with a head of 50 meters should be more than sufficient.However, they are unaware that this will directly cause motor overload and, in severe cases, burn out the motor.The analysis is as follows:When a ;; centrifugal pump is used below its designed head, the resistance at the outlet decreases, resulting in a significant increase in flow rate. The motor load exceeds the rated

Many of ATACH's customers may ask why stainless steel 304 is often not recommended for seawater or media with high salt (chloride ions) content, but duplex steel 2205/2507 or bronze is more recommended?Now we elaborate on this issue as follows:Bronze impellers are widely used in seawater or brine media, mainly due to their excellent corrosion resistance, wear resistance and mechanical properties. The following are the specific reasons:Corrosion resistanceBronze (a copper-tin alloy) can form

Many customers receive pumps delivered by ATACH, especially those that require self-priming and have a height difference for water intake.They do not understand the emphasis made by ATACH technicians that a bottom valve must be installed at the water intake end of the water inlet pipe.Now we make an analysis:The core function of the ; bottom valve for the safe operation of the water pump is to prevent water backflow, keep the pipeline full of water, avoid cavitation and impurities from ent

Note: If there are any special requirements or usage conditions, please contact the ATACH sales representative. The sales representative will select the model specifically to avoid failure to meet the usage conditions or abnormal damage to the purchased pump products.The maximum medium temperature of the ATACH brand stainless steel corrosion-resistant submersible pump usually does not exceed 100℃, which depends on the material and design of the pump body.The following is the key information:Mat

Based on years of analysis of customer usage by ATACH Industrial Pump Factory and research on on-site feedback from customers, the following analysis and elaboration are mainly made regarding the situation of main shaft breakage in chemical centrifugal pumps:The breakage of the main shaft of a chemical centrifugal pump is usually caused by fatigue failure, design flaws, abnormal operating conditions or installation issues. The following are the specific reasons and solutions:Fatigue failureThe m

To prevent dry pumping of centrifugal pumps equipped with mechanical seals, efforts should be made from three aspects: seal management, equipment maintenance and operating conditions ;.The core is to avoid air entering the pump body and dry friction on the sealing surface.Sealed managementStrictly inspect the dynamic and static seals: During maintenance, it is necessary to ensure that the seals are not damaged or aged to prevent air from leaking into the medium through the pipeline or pump

The transportation of organic solvents and adhesives requires the selection of pump type ; based on specific properties. The following are common schemes:Centrifugal pumpIt is suitable for low-viscosity organic solvents without solid particles (such as gasoline and benzene), with a simple structure and stable flow rate. ;Positive displacement pumpGear pump: Suitable for medium-viscosity adhesives, such as polyurethane glue and silicone. ;Screw pump: It can convey high-viscosity

To level the double diaphragm coupling of a chemical centrifugal pump, it is necessary to measure the non-concentricity and non-parallelism,and adjust the thickness of the gasket under the motor or pump support ;. The specific steps are as follows:Measurement and Analysistool selection ; :High-precision equipment (such as dial indicators, laser aligners) : Double diaphragm couplings suitable for high-speed and rigid connections, capable of measuring radial and angular displacements.

Many foreign customers, especially new ones, do not know how to accurately operate the newly purchased ATACH brand centrifugal pump before startup.Now we will introduce the most crucial point, startup exhaust, in detail as follows.If you still have any questions, you can contact our sales staff for more detailed understanding and confirmation to ensure that all the procedures before startup are in place.After receiving the new ATACH brand centrifugal pump, the exhaust operation should be carried

In the face of the challenge of abrasive media, the selection of impeller material for sewage sludge pumps needs to take into account wear resistance, corrosion resistance and economy.The following are specific suggestions:Key points for material selectionstainless steel ; : 304 stainless steel has excellent corrosion resistance and impact resistance, and is suitable for treating sewage sludge containing corrosive components.bronze ; : performs well in salt water or highly corrosive

The inlet and outlet of chemical pumps usually require the installation of control valves, check valves, pressure gauges and other instrument valves ;.The specific configuration is adjusted according to the system requirements and the type of self priming pumps.Configuration of imported valvesStop valve ; : It is used to regulate flow or cut off water flow, facilitating maintenance. ;filter ; : Installed after the inlet valve, it filters impurities and protects the pump b

The core difference between multi-stage pumps and single-stage pumps lies in the number of impellers and the applicable scenarios ;.The following is a specific comparison:Structural differencesSingle-stage pump: With only one impeller, it features a simple structure, small size, light weight and convenient maintenance. ;Multistage pumps: Two or more impellers are connected in series, the pump body is combined in sections, the number of components increases by 30% to 50%, and the main

Vertical pipeline centrifugal pumps do have a suction lift ;.The suction lift refers to the vertical distance ; by which a water pump can draw water from a lower place to a higher place, and is usually measured in meters ;.For vertical pipeline centrifugal pumps, the suction lift range is generally around 5 to 8 meters ;.This value is influenced by a variety of factors, including atmospheric pressure, liquid properties, pipeline resistance, and pump body structure, etc.In

The selection of the contact surface material for the mechanical seal of a chemical pump needs to be comprehensively judged based on the characteristics of the medium, temperature, pressure and other conditions. The main differences between alloys (such as stainless steel) and silicon carbide are as follows:Comparison of material propertiesAlloys (such as 316 stainless steel) : Advantages: Good corrosion resistance, high mechanical strength, and relatively low cost.Disadvantages: Relatively low

The types of flanges used with chemical pumps mainly include plate type flat welding flanges, necked flat welding flanges, necked butt welding flanges, socket welding flanges, threaded flanges, and loose flanges (such as loose butt welding ring flanges and flat welding ring loose flanges), etc. The specific classification is based on different systems such as chemical industry standards (HG), national standards (GB), and mechanical industry standards (JB).Main types and characteristicsplate flat

Regarding the specific types of ATACH pump couplings, common types of couplings include gear couplings, elastic membrane couplings, elastic pin couplings, and plum blossom-shaped elastic couplings, etc. ;Common types and characteristics of couplingsgear coupling ;Advantages ; : Strong load-bearing capacity, high compensation for relative offset of two shafts, and compact structure.Disadvantages: It requires good lubrication and sealing, and the maintenance cost is relatively hi

The selection of bearing types for the cantilever centrifugal pump bearing box should be comprehensively considered based on factors such as the pump's load characteristics, rotational speed, and working environment. Common choices include deep groove ball bearings, double-row angular contact ball bearings, and single-row angular contact ball bearings.Deep groove ball bearingApplicable scenarios ; : Small to medium-sized cantilever centrifugal pumps, suitable for working conditions whe

Q: When do you choose 2900 RPM centrifugal pumps and when do you choose 1450 RPM centrifugal pumps
A: The most commonly used pump seals are mechanical seals and packing seals.

Q: When do you choose 2900 RPM centrifugal pumps and when do you choose 1450 RPM centrifugal pumps?
A: Industrial pump most will choose 2900r.p.m pump, 1450r.p.m or lower speed pump pump body volume is relatively large, generally used for low head large flow conditions, due to the low speed of the pump, for easy wear, worry about crystalline particles are broken materials can be considered. With small flow and large head, it is recommended to use 2900r.p.m pump, after all, the investment will be much lower.