Shanxi jianing forging176 9623 6479

What is a Manhole blind flange? Introduction to the principle of blind plate structure

2025-5-26

Manhole blind flangeis a common sealing product for pipelines and equipment.,features include Various materials, easy installation, be of simple construction, Economical and practical and Environmental protection and energy saving,it has been widely used in food processing, pharmacy, chemical lines, Natural gas industry, make paper and other industries。

1、Brief introduction of Manhole blind flange

Manhole blind flangeis a common sealing product for pipelines and equipment.,Excellent sealing performance can be achieved through its unique sealing surface design and material selection. Whether it is plane seal, concave-convex seal or other forms of seal, the Manhole blind flange can ensure that the medium in the pipeline or equipment will not leak, thus ensuring the safety and stability of production. This sealing performance is of great significance for preventing medium pollution and protecting equipment and environment.、It has the characteristics of recycling. This kind of Manhole blind flange has low energy consumption and pollution in the process of production and use, which conforms to the concept of green development. With the continuous improvement of environmental awareness, recyclable Manhole blind flanges will gradually become the mainstream products in the market.、It is widely used in the sealing of pipelines and equipment in industries such as chemical lines. In these industries, Manhole blind flanges can effectively prevent media leakage and pollution, and ensure the safety and stability of production. At the same time, because of its easy installation, Manhole blind flanges are also commonly used in pipeline maintenance and replacement, which provides strong support for industrial production.、It is widely used in the sealing of pipelines and equipment in industries such as Petroleum industry. In these industries, Manhole blind flanges can effectively prevent media leakage and pollution, and ensure the safety and stability of production. At the same time, because of its Strong adaptability, Manhole blind flanges are also commonly used in pipeline maintenance and replacement, which provides strong support for industrial production.、The structure is relatively simple, usually consisting of three parts: main body, sealing element and connecting piece. This structure makes the installation and disassembly of the Manhole blind flange very convenient and can quickly adapt to different use scenarios and needs. During pipeline maintenance, replacement or system debugging, the Manhole blind flange can quickly achieve isolation and cut-off functions, improving work efficiency.,is a kind of high quality and low price Manhole blind flange,is developed and improved by Jianing。

Manhole blind flange

Manhole blind flange

2、Manhole blind flange application

Manhole blind flanges have the following purposes.

  1. Improve security
  2. By setting the Manhole blind flange, the medium leakage caused by the lax closing of the cut-off valve can be avoided, thus reducing the accident risk and improving the safety of the pipeline system.

  3. Protect equipment and pipelines
  4. In some cases, the pipeline system may be impacted by high pressure, high temperature or corrosive media. The use of Manhole blind flanges can protect equipment and pipelines from these harsh conditions and prolong their service life.

  5. Overhaul and replace equipment
  6. In the pipeline system, the equipment needs regular maintenance and replacement. The use of Manhole blind flanges makes this process safer and more convenient. By installing the Manhole blind flange, the equipment that needs to be repaired or replaced can be isolated without affecting the operation of the whole pipeline system.

  7. Completely isolated medium
  8. The Manhole blind flange can ensure that the medium in the pipeline system is completely isolated, prevent the medium from leaking when maintaining, inspecting or switching equipment, and ensure the safety of personnel and the integrity of equipment.

  9. Control medium flow direction
  10. The Manhole blind flange can also be used to control the flow direction of the medium in the pipeline. By installing the Manhole blind flange, the flow path of the medium can be changed to meet the process requirements or optimize the production process.

Manhole blind flange

Manhole blind flange

3、Manhole blind flange work site real shot

High-definition picture shooting for various Manhole blind flange, all-round display, exquisite appearance, excellent quality and trustworthy.。

Manhole blind flange

Manhole blind flange

Note: All the pictures in this article were taken by Jianing forging manufacturer.。

4、Introduction of Manhole blind flange characteristics

Manhole blind flangefeatures include Recoverable utilization, Economical and practical, Various materials, be of simple construction and Good sealing performance,is a kind of flange with no hole in the middle, which is mainly used to plug the pipeline mouth and isolate and cut off the medium in the pipeline.,it is an ideal choice for customers to buy Manhole blind flange。

Manhole blind flange

Manhole blind flange

5、How much is the Manhole blind flange?

The Manhole blind flange price is introduced as follows:

  1. brand
  2. Different brands of products in the same series have more or less differences in product prices, and different brands of Manhole blind flange have more or less differences in price.

  3. Product technology
  4. High-tech products need more advanced technology to support them, so products with higher performance will also lead to a general increase in their prices, and vice versa.

  5. company strength
  6. Our company's expected profit value of Manhole blind flange is relatively low, and adopts the sales policy of small profits but quick turnover, so the price positioning of Manhole blind flange is relatively low.

  7. market
  8. When the market demand for Manhole blind flange is relatively high, manufacturers will raise the price in order to get more profits. On the contrary, when the market demand for this product is low, manufacturers will lower the price in order to sell the remaining products as soon as possible.

  9. After-sales service level
  10. There is a close relationship between service and price. High-quality service can not only avoid all worries in the process of product use, but also improve the overall strength and comprehensive credibility of manufacturers. In order to improve the service quality, Jianing forging Manhole blind flange manufacturers provide comprehensive services for customers and products before, during and after sale, and at the same time make the price as favorable as possible to new and old customers, so that the Manhole blind flange price can meet the purchasing needs of customers.

Manhole blind flange

Manhole blind flange

6、Company discount

Manhole blind flange is a new type of blind plate introduced by Jianing manufacturer, which has a wide range of applications, complete structural design and high working efficiency. It is an ideal equipment for pharmacy and other industries. Now consult Manhole blind flange, you can enjoy the discount, and there are many activities for you, such as full reduction and full reduction。

Jianing

Jianing

Manhole blind flangethe advantage is Excellent performance and long life make the overall cost-effectiveness very high. The Manhole blind flange can reduce the loss caused by medium leakage and pollution, and reduce the maintenance cost and production cost.、Excellent sealing performance can be achieved through its unique sealing surface design and material selection. Whether it is plane seal, concave-convex seal or other forms of seal, the Manhole blind flange can ensure that the medium in the pipeline or equipment will not leak, thus ensuring the safety and stability of production. This sealing performance is of great significance for preventing medium pollution and protecting equipment and environment.、It has the characteristics of recycling. This kind of Manhole blind flange has low energy consumption and pollution in the process of production and use, which conforms to the concept of green development. With the continuous improvement of environmental awareness, recyclable Manhole blind flanges will gradually become the mainstream products in the market.、The materials are varied, including carbon steel, stainless steel, alloy steel, copper, aluminum, PVC and PPR. These Manhole blind flanges made of different materials can adapt to different working environments and media requirements, ensuring excellent sealing performance and service life under various working conditions. At the same time, some Manhole blind flanges made of special materials can also resist the corrosion and erosion of media and prolong the service life of equipment.、The structure is relatively simple, usually consisting of three parts: main body, sealing element and connecting piece. This structure makes the installation and disassembly of the Manhole blind flange very convenient and can quickly adapt to different use scenarios and needs. During pipeline maintenance, replacement or system debugging, the Manhole blind flange can quickly achieve isolation and cut-off functions, improving work efficiency.,is a Manhole blind flange,is a kind of flange with no hole in the middle, which is mainly used to plug the pipe mouth. Its function is similar to that of the head and pipe cap, but the blind plate seal is a detachable sealing device, and the head seal is usually not ready to be opened again.。