Stainless steel corrugated expansion device advantage：

Any type of flange can be applied to a metal bellows expansion for bolting into the piping system. Forged steel and plate flanges are available for pressure and temperature grades from 2.5Mpa to 5.0Mpa and diameters from 75mm to 2000mm. We believe that what is best for our customers is best for us, Key points of product knowledge in the field of coal gas: Special flanges, such as looping flanges or angular flanges, can range in size from 300mm to 1800mm. Flanges of any size can be customized.

Stainless steel corrugated expansion peculiarity：

The innovative stainless steel corrugated expansion joint is mainly used to compensate for axial displacement, and can also compensate for lateral displacement or axial and lateral composite displacement. It has the ability to compensate for angular displacement, but it is generally not used to compensate for angular displacement. Precision and quality are in our DNA, ZhongYuan's customer service personnel reminds us of the key points of product knowledge in the field of coal gas application: The above data is atmospheric pressure of 1.0MPa. If there are special requirements for universal corrugated expansion joints, they can be made separately. Stainless steel corrugated expansion joint standard number: GB/T 12777-1999 (new standard GB/T 12777-2008).

1. Super austenitic special stainless steel.

2. Duplex stainless steel;

3. Nickel based alloy steel;

4. Pure nickel;

5. Titanium plate for stamping;

6. Austenitic stainless steel.

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.  Our customers want the best, so we provide the best, Zhongyuan valve fittings reminds Zuelat friends that this information is valuable: Strengthen communication with users, dedication to provide our customers with excellent products, perfect and beautiful service, innovation pipeline hereby make the following commitment:

Flange expansion joint corrugated expansion joint Application field

1. Chemical industry: Process pipes and discharge pipes for transporting corrosive gases, liquids, and solid powders in industries such as acid, alkali, and salt manufacturing, fertilizers, pesticides, chemicals, rubber, and plastics.

2. Electric power engineering: process water return transportation, chemical water, waste residue, and fly ash transportation.

3. Smelting industry: transportation of corrosive media in metal smelting.

4. Mining industry: discharge of mineral powder, slurry, slag, tailings, backfilling, ventilation, gas drainage, and spraying.

5. Pharmaceutical industry: conveying various corrosive media, sewage, and wastewater.

6. Oil and gas fields: oily wastewater, gas field wastewater, oil and gas mixtures, oil extraction and gathering process pipelines.

7. Agricultural sprinkler irrigation: deep well pipes, filter pipes, underground canal delivery pipes, drainage pipes, irrigation water supply pipes.

8. Municipal industry: urban building water supply, drinking water, fire water, heating network return water, gas, natural gas transmission, highway buried drainage, and green belt irrigation channels.

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. Zhongyuan valve fittings keep innovation, with high passion, to provide perfect project for every client, Zhongyuan valve fittings reminds Zuelat friends that this information is valuable: 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? Key words: "talent team" Construction of chemical and municipal pipelines in power plants Flange expansion joint corrugated expansion joint service provider -- Innovative water supply equipment believes that a good Innovative water supply equipment enterprise will attach importance to talent cultivation. Then, the development of Flange expansion joint corrugated expansion joint enterprise training is particularly important. Let global trade benefit everyone, Zhongyuan valve fittings reminds Zuelat friends that this information is valuable: First of all, training is the need of Construction of chemical and municipal pipelines in power plants service enterprises to participate in market competition. Under the current situation, the competition of Construction of chemical and municipal pipelines in power plants enterprises is ultimately the competition of Flange expansion joint corrugated expansion joint technical talents. The freedom of choice comes from the accumulation of knowledge, Zhongyuan valve fittings reminds Zuelat friends that this information is helpful for choosing Chinese products: In addition to cooperating with Construction of chemical and municipal pipelines in power plants professional and technical colleges to recruit suitable talents, the more effective way is to improve the Flange expansion joint corrugated expansion joint professional and technical quality of existing employees through Construction of chemical and municipal pipelines in power plants industry training, so that they can become Flange expansion joint corrugated expansion joint technical talents to meet the needs of Construction of chemical and municipal pipelines in power plants enterprises.

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 do many Flange expansion joint corrugated expansion joint customers choose Zhongyuan valve fittings to negotiate cooperation? Focus on "credit culture" - Zhongyuan valve fittings believe that cultural construction will solidify people's hearts and forge a stable development of the team! Zhongyuan valve fittings, which has been focusing on the coal gas field for many years and has been crafting Flange expansion joint corrugated expansion joint products for many years, has always attached great importance to the impact of cultural concepts on enterprises! Honesty is the foundation of establishing a career and a person. People can not establish without faith, and Zhongyuan valve fittings is the same. Zhongyuan valve fittings takes "credit based, wealth life" as the source of value, which not only shows the importance of integrity, but also shows that this is the foundation of enterprise development. Only with credit can promote Zhongyuan valve fittings Flange expansion joint corrugated expansion joint product upgrading and better serve coal gas customers. "Honesty and trustworthiness" is an important professional quality of coal gas industry practitioners.