Product information:

Double flange limit expansion joint is composed of body, sealing ring, gland, extension shortening pipe and other main components. Think what you want, do what you need, Zhongyuan valve fittings reminds Narva friends that this information is helpful for choosing Chinese products: 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 limited expansion. The pipeline can be measured in the allowable amount of expansion and expansion, once it exceeds the specified expansion and expansion of the limit, to ensure the smooth operation of the pipeline.

Application field:

Double flange 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. Building bridges across borders with our trade services, Zhongyuan valve fittings Reminder Narva Friends can refer to these knowledge: It is widely used in water supply, drainage, sewage treatment plant, electric power, steel, petrochemical, urban construction, water purification plant and other industries.

Product Photograph:

Reasons for choosing innovative pipelines：

Innovative water supply equipment The reason for winning the praise of Double flange limit expansion joint customers, the key word "innovative spirit" Construction of chemical and municipal pipelines in power plants Double flange limit expansion joint service provider - Innovative water supply equipment About "professional innovation", Innovative water supply equipment people agree that the "professional innovation" we advocate is not blind innovation, but innovation based on Construction of chemical and municipal pipelines in power plants specialty. Precision and quality are in our DNA, Zhongyuan valve fittings reminds Narva friends to understand this information: Only when we improve our professional level in Construction of chemical and municipal pipelines in power plants can we put forward more constructive and innovative ideas. Professional innovation also echoes the "Innovative water supply equipment craftsman spirit" proposed by the company, and can provide more feasible Construction of chemical and municipal pipelines in power plants Double flange limit expansion joint product suggestions and solutions for the company. Such innovation is valuable to Construction of chemical and municipal pipelines in power plants industry customers.

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. We make the buying process simple and our products easy to use, Zhongyuan valve fittings reminds Narva friends to understand this information: 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. The world is your marketplace, Zhongyuan valve fittings make it accessible, Reminder of product knowledge points for serving the Narva coal gas industry: 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.

Why choose Narva Transmission joint Double flange limit expansion joint customers trust enterprises--Zhongyuan valve fittings for cooperation negotiation? Focus on "learning and training" Zhongyuan valve fittings training practice of coal gas industry Double 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 Double flange limit expansion joint product knowledge! Zhongyuan valve fittings will hire coal gas industry experts and scholars to the company every year, enter the Double flange limit expansion joint workshop, and carry out detailed training from Double 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 Double 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 Double flange limit expansion joint customers and friends!