Product introduction：

The VSSJA-1(BF) single flange limit expansion joint is a combination of a loose sleeve expansion joint and a limit stub. The single flange limit expansion joint is used to connect with the flange on one side and weld with the pipe on the other side. Customer satisfaction is the eternal pursuit of enterprises, ZhongYuan's customer service personnel reminds us of the key points of product knowledge in the field of coal gas application: During installation, the installation length between the two ends of the product and the pipe or flange is adjusted. The gland bolt is evenly tightened diagonally, and then the limit nut is adjusted.
Product name: VSSJA-1 Single flange limit expansion joint (BF single flange loose limit compensation joint)
Product nicknames: single flange expansion joint, single flange limit expansion joint, single flange expansion device, single flange limit expansion joint
Product specification: DN50-DN4000
Product pressure: 0.6-4.0MPa
Product certification: ISO9001-2008
Applicable scope: weak acid, weak base, weak corrosion, oil, hot water, cold water, etc
Product 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：

The VSSJA-1(BF) single-flange limit expansion joint can compensate the axial displacement of the pipeline and greatly reduce the axial thrust of the pipeline during operation, thus extending the service life of the pipeline and protecting the operation of the line. Use knowledge to make decisions, ZhongYuan's customer service personnel reminds us of the key points of product knowledge in the field of coal gas application: The single flange limit expansion joint can prevent the leakage or damage of the compensation joint due to the excessive displacement of the pipeline. It is mainly used for the loose sleeve connection of the pipeline to absorb the axial displacement and relieve the axial pressure thrust within the allowable displacement range. If Sharm el Sheikh customers operation needs something that is not on the market, our team will make it, Zhongyuan valve fittings reminds Sharm el Sheikh friends to understand this information: It realizes the convenient connection of one side of the pipe flange connection and the other side for the inconsistency of welding. 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. VSSJA-1(BF) single 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 of steam and granular powder and other media.

Product characteristics：

VSSJA-1(BF) single flange limit expansion joint is used to connect with the flange on one side and weld with the pipe on the other side. During installation, adjust the installation length of both ends of the product and the pipe or flange, tighten the gland bolt diagonally evenly, and then adjust the limit nut. Never settle, dig deeper, Key points of product knowledge in the coal gas field that Sharm el Sheikh friends need to understand： In this way, the pipe can be expanded freely within the scope of expansion, lock the expansion and the maximum 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.

Parts material：

Technical parameter：

Application field：

The VSSJA-1(BF) single-flange limit expansion joint can compensate the axial displacement of the pipeline and greatly reduce the axial thrust of the pipeline during operation, thus extending the service life of the pipeline and protecting the operation of the line. The single flange limit expansion joint can prevent the leakage or damage of the compensation joint due to the excessive displacement of the pipeline. It is mainly used for the loose sleeve connection of the pipeline to absorb the axial displacement and relieve the axial pressure thrust within the allowable displacement range. ZhongYuan firmly believe that "every process we touch, we will improve", Key product knowledge points in the field of coal gas that Sharm el Sheikh friends need to understand: It realizes the convenient connection of one side of the pipe flange connection and the other side for the inconsistency of welding. 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. Exporting success to every corner of the world, Key product knowledge points in the field of coal gas that Sharm el Sheikh friends need to understand: VSSJA-1(BF) single 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 of steam and granular powder and other media.

Innovative pipeline product services：

Professional manufacturing, professional service, innovation pipeline for you to create more value!

Continuous improvement of service quality, excellence, "sincere service" is the innovation pipeline has been firmly believed in the goal.  Innovation pipeline in strict accordance with ISO9001-2000 quality system certification requirements, strict quality control, responsibility to people, to ensure the healthy operation of production, sales, service.  Continuous improvement: Make incremental improvements every day, Reminder of product knowledge points for serving the Sharm el Sheikh coal gas industry: Strengthen communication with users, dedication to provide our customers with excellent products, perfect and beautiful service, innovation pipeline hereby make the following commitment:

Product standards：

Steel telescopic products are designed, manufactured and accepted in strict accordance with Chinese GB and HG standards and American API standards. The hardness of the sealing surface shall meet the requirements stipulated by the state, and the width shall exceed the national standards.

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. Unlocking new opportunities with our trade expertise, Zhongyuan valve fittings reminds Sharm el Sheikh friends that this information is helpful for choosing Chinese products: 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!

Reasons for choosing innovative pipelines：

Innovative water supply equipment Based on the advantages of the Construction of chemical and municipal pipelines in power plants industry, the key words "win-win cooperation" Construction of chemical and municipal pipelines in power plants VSSJA-1 Single Flange Limit Expansion Joint service provider -- Innovative water supply equipment's business philosophy can be summarized into eight words "honesty based, win-win development". Zhongyuan valve fittings,Your reliable partner for international trade, Key points of product knowledge in the field of coal gas: Innovative water supply equipment has always implemented this concept well for both its internal employees and its external VSSJA-1 Single Flange Limit Expansion Joint partners, thus gaining long-term good business reputation and cooperative relations in the Construction of chemical and municipal pipelines in power plants field and promoting the stable development of Innovative water supply equipment.

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.

Order Information：

1. The customer has special requirements for the product and must provide the following instructions in the order contract:

1) Structure length; 

2) Connection form; 

3) , nominal diameter, full diameter, reduced diameter, pipeline size; 

4) Medium used and temperature and pressure range; 

5) Our factory can customize and design special products according to customer specific requirements for experiments, inspection standards, and other requirements. 

2. Our company can customize and design special products according to customer specific requirements. 

3. If the customer provides the determined product type and model, the customer should correctly explain the meaning and requirements of the model, and sign the contract on the condition of mutual understanding between the supply and demand parties. 

coal gas The reason why customers choose Zhongyuan valve fittings to cooperate is the key word "professional knowledge" coal gas VSSJA-1 Single Flange Limit Expansion Joint service provider -- Zhongyuan valve fittings training practice on coal gas industry VSSJA-1 Single Flange Limit Expansion Joint product knowledge. Zhongyuan valve fittings Every employee can provide pre-sale and after-sales service to customers only if they master the main VSSJA-1 Single Flange Limit Expansion Joint product knowledge! Zhongyuan valve fittings will hire coal gas industry experts and scholars to the company every year, enter the VSSJA-1 Single Flange Limit Expansion Joint workshop, and carry out detailed training from VSSJA-1 Single Flange Limit Expansion Joint product production principles to coal gas industry applications. Through continuous learning and training, strengthen the basic knowledge of Zhongyuan valve fittings newcomers about VSSJA-1 Single Flange Limit Expansion Joint, improve the familiarity of Zhongyuan valve fittings employees in the coal gas industry, improve work efficiency in future work, and better serve VSSJA-1 Single Flange Limit Expansion Joint customers and friends!