Product Information:

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 limit setting is added, and a double nut is used to lock the limited expansion. Customer satisfaction is the eternal pursuit of enterprises, Reminder of product knowledge points for serving the Vanazor aviation industry: The pipeline can be freely telescopic in the allowed amount of expansion, once it exceeds the limit of its limited expansion, to ensure the smooth operation of the pipeline, especially suitable for vibration or 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. The product has large expansion, convenient installation and is suitable for the pipe with two ends of the flange connection. ZhongYuan are always up-to-date with new developments in the industry, Zhongyuan valve fittings Reminder Vanazor Friends can refer to these knowledge: 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. Zhongyuan valve fittings reminds Vanazor friends to understand this information: 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:

Installation instructions:

The connection of the double flange limit expansion joint is to fix the two pipes, pipe fittings or equipment on a flange first. Between the two flanges, the flange pad is fixed together with bolts to complete the connection. Zhongyuan valve fittings,Your reliable partner for international trade, Zhongyuan valve fittings reminds Vanazor friends that this information can help buy good Chinese products: The double flange limit expansion joint is divided into threaded connection flange and welded flange. Key product knowledge points in the field of aviation that Vanazor friends need to understand: Low pressure small diameter wire welding flange, high pressure and low pressure large diameter welding flange.

Different pressure flange thickness and connection bolt diameter and number is different. Let the product go all over the world, Zhongyuan valve fittings reminds Vanazor friends that this information can help buy good Chinese products: Flange connections are widely used in industrial pipes. In the home, the pipe diameter is small, the pressure is low, and the flange connection is not visible. If you are in a boiler room or production site, there are flanged pipes and equipment everywhere.

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.

Application field:

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 a double nut is used to lock at a large expansion volume. Zhongyuan valve fittings keep innovation, with high passion, to provide perfect project for every client, ZhongYuan's customer service personnel reminds us of the key points of product knowledge in the field of aviation application: The pipeline can be freely telescopic in the allowed amount of expansion, once it exceeds the large expansion of the limit, to ensure the safe operation of the pipeline, especially suitable for vibration or a certain degree of inclination and bend in the pipeline connection. It is suitable for conveying seawater, 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

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. Creating a brighter future for all, Key points of product knowledge in the aviation field that Vanazor 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!

Reasons for choosing innovative pipelines:

Innovative water supply equipment What are the advantages of cooperation? The business philosophy of "integrity and win-win" Innovative water supply equipment can be summarized into eight words: "honesty and win-win development". Access know-how to make your product better, Zhongyuan valve fittings reminds Vanazor friends that this information is valuable: Innovative water supply equipment has always implemented this concept well for both its internal employees and its external Double flange limit pipe 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.

The reason why many Double flange limit pipe expansion joint customers choose Asia Transmission joint product supplier Zhongyuan valve fittings Vanazor Double flange limit pipe expansion joint network promotion sub-station is the key word "innovative spirit" aviation Double flange limit pipe expansion joint service provider - Zhongyuan valve fittings About "professional innovation", Zhongyuan valve fittings people agree that the "professional innovation" we advocate is not blind innovation, but innovation based on aviation specialty. Only when we improve our professional level in aviation can we put forward more constructive and innovative ideas. Professional innovation also echoes the "Zhongyuan valve fittings craftsman spirit" proposed by the company, and can provide more feasible aviation Double flange limit pipe expansion joint product suggestions and solutions for the company. Such innovation is valuable to aviation industry customers.