Service Support

Service Support

Always adhere to providing customers with professional technical solutions and high-quality service experiences

What is the parameter for the shaft length of a stainless steel vertical multistage pump?

In the construction of a stainless steel vertical multistage pump, the shaft length is a key parameter that has a significant impact on the pump's performance and operational stability. As the core component connecting the motor and impeller, the shaft length must be precisely determined based on many factors such as the pump's design flow rate, head, number of stages, and installation space.

2025-06-19

Lubrication device for vertical, long-shaft, multistage pumps

Vertical long-shaft multi-stage pumps are widely used in industrial water supply and drainage, water conservancy projects, and other fields. Their efficient operation relies on key lubrication devices. Lubrication devices are like the "guardians" of the pump body, directly affecting the pump's service life and stability. Let's take an in-depth look at them.

2025-06-19

Do vertical long-shaft pumps have axial窜量?

In the normal operation of a vertical long-shaft pump, axial displacement exists, which is determined by its structural characteristics and working principle. The following elaborates on the causes of axial displacement, influencing factors, and control methods:

2025-06-19

Why does water at a high temperature of 130° need to be transported using a high-pressure boiler feedwater pump?

We all know that pump selection needs to be based on operating parameters, including flow rate, head, medium, and temperature. The medium temperature is also an important factor affecting pump selection. When the medium temperature reaches 130°, we need to understand these points: First, the change in the physical properties of high-temperature water - at 130℃, the saturated vapor pressure has reached 2.7MPa, and pressure must be added to maintain the liquid state; second, the engineering safety requirements to prevent flash vapor erosion from damaging the pump body; finally, system compatibility, the boiler operating pressure determines that the feed water pressure needs to be higher. It is necessary to pay special attention to the fact that users may confuse the concepts of "working pressure" and "head", and the relationship between NPSHa and NPSHr should be used to explain the cavitation prevention design.

2025-06-19

What kind of media are chemical process pumps mainly used to transport?

Process pumps are a type of chemical pump with a separate name. What kind of material are these chemical process pumps mainly used to transport? From a professional point of view, the material selection of chemical process pumps is far more complex than that of ordinary pumps. Many users only pay attention to the medium during selection, ignoring the fact that temperature and pressure are equally critical. As the "heart" of the chemical production line, the material selection of chemical process pumps directly depends on the chemical properties, temperature, pressure, particulate content, and cleanliness requirements of the transported medium. The core principle is to resist corrosion, wear resistance, and ensure safety and longevity.

2025-06-19

What are the differences in seal selection between industrial centrifugal pumps used in the chemical industry and ordinary multistage pumps?

Our factory's after-sales service personnel have received numerous cases where customers ignored the importance of the medium during selection, leading to many problems during the use of centrifugal pumps. There are also many after-sales cases of chemical pumps due to incorrect seal selection. So how should the sealing method of chemical centrifugal pumps be selected?

2025-06-19

How to select the appropriate model for a horizontal multistage chemical pump?

Horizontal multistage pumps have a wide range of applications and are used in many places. They are also frequently used in the chemical pump industry. Due to the special nature of the chemical pump industry, there are more requirements for the selection of transfer pumps. Because chemical pumps usually transfer corrosive, toxic, or high-temperature media, special attention must be paid to material selection during selection.

2025-06-19

Why is the usage rate of self-balancing multi-stage pumps so high in coal mines?

Why is the usage rate of self-balancing multistage pumps so high in coal mines? This needs to be analyzed from several aspects. The structure of the self-balancing multistage pump itself is the most important reason, and it also needs to be combined with the characteristics of the application conditions such as coal mines.

2025-06-19

Why are slurry pumps used in the coal mining industry? What is the role of slurry pumps in the coal mining industry?

In coal mining and production processes, slurry pumps, as a key piece of equipment, are involved in almost every stage from mining to coal sludge treatment. This special pump, capable of efficiently transporting high-concentration, high-abrasion solid-liquid mixtures, has become an indispensable "transportation artery" in the coal mining industry due to its unique performance advantages.

2025-06-19

Why do so many people choose self-balancing multistage mining pumps?

Why do most people choose self-balancing multistage mining pumps? When users purchase industrial water pumps, they will compare prices from different suppliers. However, through industry comparison, it is found that over 70% of users who purchase multistage mining pumps choose self-balancing mining pumps. Why is that? Today, we will explain the reasons in detail from the following aspects.

2025-06-19

What is the role of slurry pumps in tailings?

First, we need to understand the probability of tailings and slurry pumps. Tailings refer to the large amount of waste residue produced by mining enterprises in the process of mining metal, non-metal, coal and other mineral resources, after separating useful minerals from gangue and surrounding rocks through beneficiation and other processes.

2025-06-19

< 1...19202122 >
Changsha Zhonglian Pump Industry Co., Ltd.
Changsha Zhonglian Pump Industry Co., Ltd.

Hotline:

+86 0731-88632200

Changsha Zhonglian Pump Industry Co., Ltd.

Export Trade/Technical Support:

+86 153-4831-2290

Changsha Zhonglian Pump Industry Co., Ltd.

Head Office Email:

zoomlian@yeah.net

Changsha Zhonglian Pump Industry Co., Ltd.

No. 210, Huanbao Zhong Road, Yuhua District, Changsha City, Hunan Province, Leowoju Wisdom Valley Building B, 8th Floor

Quick Navigation

Facebook Linkedin Twitter Tumblr Pinterest

Hot Products

Online Consultation

Submit Message
Business License

Powered by:www.300.cn Changsha SEO

COOKIES

Our website uses cookies and similar technologies to personalize the advertising shown to you and to help you get the best experience on our website. For more information, see our Privacy & Cookie Policy

COOKIES

Our website uses cookies and similar technologies to personalize the advertising shown to you and to help you get the best experience on our website. For more information, see our Privacy & Cookie Policy

These cookies are necessary for basic functions such as payment. Standard cookies cannot be turned off and do not store any of your information.

These cookies collect information, such as how many people are using our site or which pages are popular, to help us improve the customer experience. Turning these cookies off will mean we can't collect information to improve your experience.

These cookies enable the website to provide enhanced functionality and personalization. They may be set by us or by third-party providers whose services we have added to our pages. If you do not allow these cookies, some or all of these services may not function properly.

These cookies help us understand what you are interested in so that we can show you relevant advertising on other websites. Turning these cookies off will mean we are unable to show you any personalized advertising.