Steel expansion joint introduction：

The steel expansion device produced by Gongyi Zhongyuan innovation pipeline Equipment Co., Ltd. is composed of loose sleeve and a flange limit short pipe, it can prevent the pipeline due to excessive displacement caused by compensation joint leakage and damage, steel expansion device is mainly used in the allowable displacement range to absorb the axial displacement and withstand the axial pressure thrust pipe loose sleeve connection. Zhongyuan valve fittings Reminder Domaniano Friends can refer to these knowledge: Before the installation of the steel telescopic device, the pressure plate bolt must be loosened, the product is pulled to the installation length, and then tightened with the diagonal method, the iron cutting pressure deviation, such as overhead use, both ends must be installed with the corresponding firm support; The steel telescopic device provides great convenience for the arrangement and replacement of various water supply and drainage pipes, water towers, pumps and valves, and plays a good regulating role for the expansion of long-distance pipelines due to temperature difference; Our customers want the best, so we provide the best, Key Knowledge Points for Related Products in the coal gas Industry that Domaniano Friends Need to Understand: Before placement, the pressure plate bolt must be loosened, the steel telescopic device is pulled to the placement length, and then tightened diagonally to cut the iron pressure deviation, such as overhead use, both ends must be placed with the corresponding firm support; French connection accepts GB/T9112-9124-2000 scale (material Q235); If you choose other specifications can be produced separately.

Steel expansion joint advantage：

Steel expansion joint is suitable for connecting both sides with flanges. Adjust the connection length between both ends of the product and flanges when installing Steel expansion joint. Let good quality flow freely without borders, Zhongyuan valve fittings reminds Domaniano friends to understand this information: Tighten the gland bolts evenly diagonally and then adjust the limit nuts. In this way, the Steel expansion joint enables the pipeline to expand freely within the scope of expansion volume, locking expansion volume and ensuring the operation of the pipeline.

Steel expansion joint feature：

1. Compensation absorption pipeline axial, transverse, angular thermal deformation.

2. Absorb equipment vibration to reduce the impact of equipment vibration on pipelines.

3. Absorb the deformation of the pipeline caused by earthquake and subsidence.

Product Photograph

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.  Execution Excellence gets it done, Reminder of product knowledge points for serving the Domaniano 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. We always offer the right solution, even if it's not clear at first, Zhongyuan valve fittings reminds Domaniano friends that this information is valuable: 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 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. Information generates cognition, Key Knowledge Points for Related Products in the coal gas Industry that Domaniano Friends Need to Understand:  It is widely used in water supply, drainage, sewage treatment plant, electric power, steel, petrochemical, urban construction, water purification plant and other industries.

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. If there is an order is also a mistake, then we let you wrong to the end, Zhongyuan valve fittings reminds Domaniano 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. 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? Focus on "win-win" -- Innovative water supply equipment advocates "win-win cooperation", which means to achieve win-win both internally and externally. Internally, it is Innovative water supply equipment employees themselves. Crafting your success through manufacturing excellence, Zhongyuan valve fittings reminds Domaniano friends that this information is helpful for choosing Chinese products: The company creates a good atmosphere, ambitious goals, creates a comfortable Innovative water supply equipment corporate culture environment, employees achieve their own career goals and growth, and Innovative water supply equipment achieves their interests goals, which is a virtuous circle of "win-win cooperation". Zhongyuan valve fittings,Empowering your global business growth, Key product knowledge points in the field of coal gas that Domaniano friends need to understand: Externally, Innovative water supply equipment has created good Construction of chemical and municipal pipelines in power plants Double flange limit Steel expansion joint products and services, and customers have been recognized and provided with a good service experience for Construction of chemical and municipal pipelines in power plants Double flange limit Steel expansion joint customers, which is also "win-win", and the sense of trust has been further strengthened. The future belongs to those who innovate, Key product knowledge points in the field of coal gas that Domaniano friends need to understand: This is Innovative water supply equipment complementary ecological win-win.

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. 

Zhongyuan valve fittings The reason for obtaining Double flange limit Steel expansion joint customers' praise, and the key word "integrity and win-win" Zhongyuan valve fittings's business philosophy can be summarized into eight words "honesty based, win-win development". Zhongyuan valve fittings has always implemented this concept well for both its internal employees and its external Double flange limit Steel expansion joint partners, thus gaining long-term good business reputation and cooperative relations in the coal gas field and promoting the stable development of Zhongyuan valve fittings.