Product introduction：

The flange type loose sleeve expansion joint produced by Gongyi Zhongyuan Innovation Pipeline Equipment Co., LTD. Model: VSSJA or AF. The flange loose sleeve expansion joint is composed of a main body, gland, sealing ring and fastener. If Switzerland customers operation needs something that is not on the market, our team will make it, Key product knowledge points in the field of coal gas that Switzerland friends need to understand: The flange loose sleeve expansion joint adopts the same sealing principle as the gland loose sleeve compensation joint. One end of the connection is flange connection and the other end is socket connection. Think what you want, do what you need, Zhongyuan valve fittings reminds Switzerland friends that this information is valuable: Suitable for valves and other equipment and pipe connection, connection at the same time can compensate the pipeline axial displacement, so as to protect valves and other equipment.

[Product name] : VSSJA(AF) type flanged loose sleeve expansion joint (AF type flanged loose sleeve compensation joint)

[Product alias] : flange type loose sleeve expansion joint, loose sleeve compensation joint

[Product Specification] : [DN65mm-DN2600mm]

[Product pressure] : 0.25-2.5MPa

[Product Certification] : ISO9001-2008

[Scope of application ] : [Weak acid, weak base, weak corrosion class, 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：

Flange type loose sleeve expansion joint is suitable for valves and other equipment and pipe connection, flange loose sleeve expansion joint at the same time can compensate the pipeline axial displacement and a certain amount of deflection and eccentricity, so as to protect valves and other equipment. Crafting your success through manufacturing excellence, Zhongyuan valve fittings reminds Switzerland friends that this information can help buy good Chinese products: The socket is also suitable for connecting with steel pipe, cast iron pipe, ductile iron pipe, PVC pipe, ABS pipe, etc. The VSSJA(AF) flanged loose sleeve expansion joint can cause the deformation of the sealing ring through the mutual extrusion of the gland and the body, so as to realize the compensation of the axial displacement of the pipeline and ensure the high sealing of the pipeline line. And because it adopts flexible connection, it can greatly reduce the impact of vibration and noise of pipeline lines. Ensure the smooth operation of the pipeline.

product feature：

The flange type loose sleeve expansion joint is designed by our company at the same time by absorbing the advantages of similar products at home and abroad. Zhongyuan valve fittings reminds Switzerland friends that this information is helpful for choosing Chinese products: The flange loose sleeve expansion joint has the advantages of simple and reasonable structure, reliable sealing performance, no need to weld, convenient installation and disassembly. The flange loose sleeve expansion joint can compensate the displacement, dislocation and deflection of the pipeline within a certain range and has high reuse rate. Flange loose sleeve expansion joint is suitable for any medium pipeline, for valves, pumps and other equipment and pipeline connection.

1. can realize the pipeline line axial displacement compensation.

2. Reduce vibration and noise to a certain extent and protect the pipeline.

3. simple structure, convenient installation, easy maintenance and maintenance.

4. high-quality material selection is the basic guarantee of products.

VSSJA type flange loose sleeve expansion joint install：

After the flange type loose sleeve expansion joint is installed on the pipe, tighten the elastic sealing ring of the nut. Under the action of the nut gland, the sealing and connecting function of the outer ring of the pipe is tightly pressed depending on the mutual inclination. Your needs, Zhongyuan valve fittings go all out, Zhongyuan valve fittings Reminder Switzerland Friends can refer to these knowledge: When the temperature changes, the pipe can be freely expanded in the middle of the joint, when the foundation sinks, the pipe can be deflected, and ensure that the seal does not leak, so as to play the purpose of automatic compensation.

If you need the flange type loose sleeve expansion joint produced by our company and want to consult the price, please contact us: 0371-68676867, you can also contact our enterprise QQ: 200832128, we have a special online customer service for you to answer the details!

Parts material：

Technical parameter：

Product standards：

Steel telescopic products are designed, manufactured and accepted in strict accordance with Chinese GB and HG standards and American API standards. We believe that what is best for our customers is best for us, Key points of product knowledge in the coal gas field that Switzerland friends need to understand： The hardness of the sealing surface shall meet the requirements stipulated by the state, and the width shall exceed the national standards.

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 type flange loose sleeve expansion joint service provider -- Innovative water supply equipment's business philosophy can be summarized into eight words "honesty based, win-win development". Let global trade benefit everyone, Western Europe Waterproof casing cooperative partner Zhongyuan valve fittings Switzerland VSSJA type flange loose sleeve expansion joint overseas product promotion station customer service Key Knowledge Reminder: Innovative water supply equipment has always implemented this concept well for both its internal employees and its external VSSJA type flange loose sleeve 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.

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. The future belongs to those who innovate, ZhongYuan's customer service personnel reminds us of the key points of product knowledge in the field of coal gas application: 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.

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. 

Western Europe Waterproof casing cooperative partner Zhongyuan valve fittings Switzerland VSSJA type flange loose sleeve expansion joint overseas product promotion station Based on the advantages of the coal gas industry, the key word is "innovative spirit" coal gas VSSJA type flange loose sleeve 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 coal gas specialty. Only when we improve our professional level in coal gas 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 coal gas VSSJA type flange loose sleeve expansion joint product suggestions and solutions for the company. Such innovation is valuable to coal gas industry customers.