Product introduction：

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. VSSJA-2(B2F) double flange limit expansion joint is suitable for connecting both sides with flanges. Our customers want the best, so we provide the best, Reminder of product knowledge points for serving the San Marino coal gas industry: Adjust the connection length of both ends of the product during installation, tighten the gland bolt evenly diagonally, and then adjust the limit nut. 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 can be freely expanded in the allowable expansion amount, once exceeds the maximum expansion amount to play the limit, to ensure the maximum operation of the pipeline, especially suitable for vibration or a certain degree of inclination and bend in the pipeline connection. ZhongYuan firmly believe that "every process we touch, we will improve", Zhongyuan valve fittings reminds San Marino friends that this information can help buy good Chinese products: 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, protect the line running. Inspiring progress through our passion for excellence, Reminder of product knowledge points for serving the San Marino coal gas industry: 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.

Application field：

B2F double flange pipe limit expansion joint is suitable for both sides are connected with the flange, adjust the connection length between the two ends of the product and the flange when installing, tighten the gland bolt evenly diagonally, and then adjust the limit nut, so that the pipeline can be freely expanded within the scope of expansion, lock expansion, to ensure the safe operation of the pipeline. Change for a better future, Reminder of product knowledge points for serving the San Marino coal gas industry: It is widely used in water supply, drainage, sewage treatment plant, electric power, steel, petrochemical, urban construction, water purification plant and other industries.

product feature：

VSSJA-2(B2F) double flange limit expansion joint is suitable for both ends of the pipe line flange connection. Let good quality flow freely without borders, Zhongyuan valve fittings reminds San Marino friends that this information is helpful for choosing Chinese products: 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 amount, and the perfect 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.

Reasons for choosing innovative pipelines：

Innovative water supply equipment The reason for becoming a B2F Double flange limit expansion joint long-term partner, the key word "learning culture" Construction of chemical and municipal pipelines in power plants B2F Double flange limit expansion joint service provider -- Innovative water supply equipment firmly believes that training leads to talent, efficiency and quality. Normalized training is an important part of the work of [Innovative water supply equipment] head office. If San Marino customers operation needs something that is not on the market, our team will make it, Key Knowledge Points for Related Products in the coal gas Industry that San Marino 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!

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. Unparalleled customer satisfaction promotes lasting relationships, Key product knowledge points in the field of coal gas that San Marino friends need to understand: 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. 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!

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.

Zhongyuan valve fittings is the reason for becoming a B2F Double flange limit expansion joint long-term partner. Then, the development of B2F Double flange limit expansion joint enterprise training is particularly important. First of all, training is the need of coal gas service enterprises to participate in market competition. Under the current situation, the competition of coal gas enterprises is ultimately the competition of B2F Double flange limit expansion joint technical talents. In addition to cooperating with coal gas professional and technical colleges to recruit suitable talents, the more effective way is to improve the B2F Double flange limit expansion joint professional and technical quality of existing employees through coal gas industry training, so that they can become B2F Double flange limit expansion joint technical talents to meet the needs of coal gas enterprises.