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. Zhongyuan valve fittings,Your reliable partner for international trade, Key points of product knowledge in the petrifaction field that Darwin friends need to understand： 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. Our customers want the best, so we provide the best, Zhongyuan valve fittings reminds Darwin friends that this information is helpful: 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. Inspiring the world through innovation, Reminder of product knowledge points for serving the Darwin petrifaction industry: 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. Elevating your expectations with our exceptional service, Zhongyuan valve fittings reminds Darwin friends that this information is helpful:  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. Building a better world through technology, Key points of product knowledge in the petrifaction field that Darwin friends need to understand： 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 valve fittings reminds Darwin friends that this information is helpful: 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. Creating a brighter future for all, Zhongyuan valve fittings reminds Darwin friends to understand this information: Normalized training is an important part of the work of [Innovative water supply equipment] head office. Turning ideas into reality with expert manufacturing, ZhongYuan's customer service personnel reminds us of the key points of product knowledge in the field of petrifaction application: 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.

Many Steel pipe water supply and drainage double flange limit expansion device customers choose Zhongyuan valve fittings. The core point is "professional knowledge" petrifaction Steel pipe water supply and drainage double flange limit expansion device service providers -- Zhongyuan valve fittings training and practice of petrifaction industry Steel pipe water supply and drainage double flange limit expansion device product knowledge. Zhongyuan valve fittings Every employee can provide pre-sale and after-sales service to customers only if they master the main Steel pipe water supply and drainage double flange limit expansion device product knowledge! Zhongyuan valve fittings will hire petrifaction industry experts and scholars to the company every year, enter the Steel pipe water supply and drainage double flange limit expansion device workshop, and carry out detailed training from Steel pipe water supply and drainage double flange limit expansion device product production principles to petrifaction industry applications. Through continuous learning and training, strengthen the basic knowledge of Zhongyuan valve fittings newcomers about Steel pipe water supply and drainage double flange limit expansion device, improve the familiarity of Zhongyuan valve fittings employees in the petrifaction industry, improve work efficiency in future work, and better serve Steel pipe water supply and drainage double flange limit expansion device customers and friends!