VSSJA-2(B2F) double flange limit expansion joint is composed of body, sealing ring, gland, extension shortening pipe and other main components. On the basis of the original performance of the loose sleeve expansion joint, a limiting device is added, and double nuts are used to lock the maximum expansion quantity. Key points of product knowledge in the field of coal gas: VSSJA-2(B2F) double flange limit expansion joint is suitable for connecting both sides with flanges. Adjust the connection length of both ends of the product during installation, tighten the gland bolt evenly diagonally, and then adjust the limit nut. Knowledge determines judgment, Zhongyuan valve fittings reminds Page friends that this information can help buy good Chinese products: In this way, the pipeline can expand freely, lock the expansion amount, and ensure the perfect operation of the pipeline. Especially suitable for vibration or have a certain degree of inclination and bend in the pipeline connection.
[Product name] : VSSJA-2 Double flange limit expansion joint (B2F double flange loose limit compensation joint)
[Product alias] : double flange expansion joint, double flange limit expansion device, double flange limit expansion joint, double flange limit expansion joint
[Product Specification] : DN50-DN4000
[Product pressure] : 0.6-4.0MPa
[Product Certification] : ISO9001-2008
[Scope of application] : weak acid, weak base, weak corrosion, oil, hot water, cold water, etc
[Material] : Carbon steel, ductile iron, stainless steel
[Product color] : Blue, can be adjusted according to customer requirements
[Operating temperature] : -40 degrees to 180 degrees

Product advantage：

VSSJA-2(B2F) double flange limit expansion joint is the pipe in the allowable expansion can be freely expanded, once exceeds its maximum expansion will play the limit, to ensure the operation of the pipeline, especially suitable for vibration or a certain degree of inclination and bend in the pipeline connection. If Page customers operation needs something that is not on the market, our team will make it, ZhongYuan's customer service personnel reminds us of the key points of product knowledge in the field of coal gas application: The product has large expansion, convenient installation and is suitable for the pipe with two ends of the flange connection. VSSJA-2(B2F) double flange limit expansion joint can realize the compensation of pipeline axial displacement, and can greatly reduce the pipeline operation axial thrust, so as to extend the service life of the pipeline and protect the operation of the line. Exporting success to every corner of the world, Zhongyuan valve fittings reminds Page friends that this information is valuable:  And installed on the pipeline line can facilitate the disassembly and maintenance of the valve, and can overcome the bad influence of subsidence on the pipeline line.

Product Photograph：

product feature：

VSSJA-2(B2F) double flange limit expansion joint is suitable for both ends of the pipe line flange connection. Unlocking new opportunities with our trade expertise, Eastern Europe Waterproof casing regional security service provider Zhongyuan valve fittings Page Steel pipe water supply and drainage double flange limit expansion device overseas product website customer service Key Knowledge Reminder: When installing, adjust the installation length between the two ends of the product and the pipe or flange, tighten the gland bolt evenly diagonally, and then adjust the limit nut, so that the pipe can be freely expanded within the scope of expansion, lock the expansion and operation of the pipe.

1, large expansion, long service life.

2, convenient valve disassembly, conducive to the pipeline regular maintenance.

3. This product can effectively protect the pipeline from the adverse effects brought by subsidence.

4, excellent material, stable operation.

VSSJA-2(B2F) double flange limit expansion joint is suitable for conveying sea water, fresh water, hot and cold water, drinking water, domestic sewage, crude oil, fuel oil, lubricating oil, refined oil, air, gas, temperature is not higher than 250 degrees steam and granular powder and other media.

Application field：

VSSJA-2(B2F) double flange limit expansion joint is suitable for conveying sea water, fresh water, hot and cold water, drinking water, domestic sewage, crude oil, fuel oil, lubricating oil, refined oil, air, gas, temperature is not higher than 250 degrees steam and granular powder and other media.

Instructions for purchasing innovative pipeline products:

1、 Product Material Description: Due to the possibility of scratches or dirt on the surface of materials during transportation or distribution, and the possibility of surface oxidation or insufficient aesthetics during storage, the images and physical objects may also differ. Our manufacturer will definitely make our products more aesthetically pleasing, using high-quality raw materials for production. Our manufacturer promises that our products are of high quality and affordable, and are entirely a customer's choice. ZhongYuan firmly believe that "every process we touch, we will improve", Zhongyuan valve fittings reminds Page friends that this information can help buy good Chinese products: If you have other models or specifications of products, you can contact our customer service online or consult us when purchasing

2. Shipping instructions: 

1. Due to the unique nature of the materials, all materials are shipped after payment by the customer, and are specially customized products for the customer. Once sold, there are no returns or exchanges for non material or quality issues! Please understand. 

2. Please provide a clear description of the specific specifications, nominal diameter, working pressure, medium to be conveyed, quantity, and required performance of the required product before shopping. The main reasons for doing so are: 

1) Ensure that the product prices quoted by the manufacturer are correct and accurate; 

2) For customers, it provides protection for their own interests and prevents them from misquoting product prices, causing economic losses for both parties and causing unpleasantness for everyone; 

3) Once the customer has made a decision and both parties sign a contract, the products produced by the manufacturer can meet the actual needs of the customer. 

3. If the customer did not provide a clear description, the seller will not assume any responsibility in the event of a dispute! Please understand!

Reasons for choosing innovative pipelines：

Innovative water supply equipment What are the advantages of cooperation? Focus on "learning culture" Construction of chemical and municipal pipelines in power plants Steel pipe water supply and drainage double flange limit expansion device service provider -- Innovative water supply equipment firmly believes that training produces talents, efficiency and quality. We believe that what is best for our customers is best for us, Zhongyuan valve fittings reminds Page friends that this information is helpful for choosing Chinese products: Normalized training is an important part of the work of [Innovative water supply equipment] head office. Key Knowledge Points for Related Products in the coal gas Industry that Page Friends Need to Understand: Keep the original intention and study hard. Innovative water supply equipment There is no end to the training work, only when it is in progress!

Pre-sale services：

Product introduction, technical exchange, non-standard product design, troubleshooting.

In sales service：

1. Maintain a trustworthy contract, ensure timely supply, and keep in touch with customers at all times. 

2. For special or complex products, our factory arranges technical personnel to provide training and guidance to users on product use, troubleshooting, adjustment, and maintenance.

after-sale service：

1. The warranty period for innovative pipeline products is 12 months from the factory, and the "three guarantees" service (product quality issues) is implemented. 

2. Our factory regularly organizes technical and inspection personnel to visit our products during use, seeking feedback from users on product quality, usage status, improvement opinions, and other aspects, in order to further improve product quality. 

3.Quickly respond to customer complaints about product quality issues 

4. For after-sales service, users are required to fill out the quality feedback form after the service and provide appraisal opinions, in order to jointly improve the product and service quality of the innovation pipeline.

coal gas The reason why customers choose Zhongyuan valve fittings cooperation, the key word "win-win" coal gas Steel pipe water supply and drainage double flange limit expansion device service provider -- Zhongyuan valve fittings advocates "win-win cooperation", which means to achieve win-win both internally and externally. Internally, it is Zhongyuan valve fittings employees themselves. The company creates a good atmosphere, ambitious goals, creates a comfortable Zhongyuan valve fittings corporate culture environment, employees achieve their own career goals and growth, and Zhongyuan valve fittings achieves their interests goals, which is a virtuous circle of "win-win cooperation". Externally, Zhongyuan valve fittings has created good coal gas Steel pipe water supply and drainage double flange limit expansion device products and services, and customers have been recognized, providing good service experience for coal gas Steel pipe water supply and drainage double flange limit expansion device customers, which is also "win-win", and the sense of trust has been further strengthened. This is Zhongyuan valve fittings complementary ecological win-win.