Dear friend, thank you for visiting ZhongYuan water supply equipment official enterprise website! Over the years, Gongyi Zhongyuan Innovation Pipeline Equipment Co., Ltd has continued to make technological innovation and continuously improve the application of new technologies in [pipeline expansion joint, pipeline power transmission joint, rubber joint] products! Focus on one, craftsmanship and quality If you want to know more about the application of [pipeline expansion joint, pipeline power transmission joint, rubber joint] product new technology in practice, please call ZhongYuan water supply equipment [pipeline expansion joint, pipeline power transmission joint, rubber joint] technical engineer to learn more practical information!

Pokhara Expansion joint honest cooperative enterprise Zhongyuan valve fittings Pokhara Expansion joint network publicity site

Keep the reputation and serve every Pokhara power Expansion joint customer

International Day of Peace has a close relationship with enterprises

Time:2025/9/21 9:54:04

It is no accident to meet you! Welcome customer friends from Cast iron expansion! Today is 2025-10-15. Adhere to the word-of-mouth transmission of quality, and the operation of the enterprise is based on thisCongratulations on finding it,Innovation pipeline are the main Cast iron expansion product suppliers! Conscientiously abide by the bank, and cast high-quality products without distractions


International Day of Peace, a global festival, aims to appeal to people all over the world to work together for peace.

Upholding sound ideology ensures clear direction for enterprises As a Innovation pipeline ( Cast iron expansion supplier), we have always been committed to promoting technological innovation and development, while also placing great importance on peace and security. In the past year, we have continuously launched new Cast iron expansion products and technical solutions to provide customers with more efficient, secure, and stable services and solutions. At the same time, we actively participate in various peace activities and initiatives, and make our efforts to promote world peace.

The enterprise has a close relationship with International Day of Peace. We will organize a series of peace promotion activities to promote the concept and importance of peace to our customers and the public. At the same time, we will also strengthen training and guidance for customers to help them better understand and apply peace technologies and solutions.Innovation attaches great importance to employee training and learning, and regularly organizes various professional courses and skill improvement workshops to ensure that the Innovation team can keep up with industry trends and continuously improve personal abilities and overall competitiveness.


Innovation pipeline is a Cast iron expansion service provider with continuous focus in the field, Ride the wind and waves, start a new journey! Innovation pipeline, who has adhered to the industry for many years, has rich industry experience in the application of Cast iron expansion! If you want to know more Cast iron expansion technical information, you can call 0371-68676867 to get more information immediately!

→Graphical Introduction Information of Cast iron expansion←

Cast iron expansion

    ※Craftsmen produce excellent products, Innovation Cast iron expansion Product information points:Cast iron expansion is the main product of our company, the use of cast iron QT410 flange type expansion generally has a good absorption of axial and radial displacement function, for the bending of the pipeline has a good adaptability, mainly cast iron material is relatively soft, suitable for large Angle compensation in the pipeline has a good effect. It has a good compensation effect for the axial displacement caused by the settlement of the pipeline. Compared with the steel pipeline expander and rubber joint, it has the high-quality characteristics of high temperature resistance and greater wear resistance. It is generally used in chemical pipelines and powder transportation pipelines.
  Innovation pipeline keep the original intention, hold the ingenuity, and produce the best products. Remind customers in to call to learn more about Cast iron expansion product knowledge.
  Flange connection standard: GB9115 standard.
   Working pressure:0.6MPa、1.0MPa、1.6MPa、2.5MPa、4.0MPa。
   Scope of application: Our company's cast iron expansion is mainly used in power plants, waterworks, sewage treatment plants, various chemical pipelines and oil pipelines.
  Innovation pipeline is ingenious and produces excellent products, reminding customers to call to learn more about Cast iron expansion product knowledge.


The optimization of the process is the embodiment of Innovation's unremitting pursuit of quality.

Harmony and win-win, sharing success!Thank 's friends for visiting "Innovation pipeline website www.xdguandao.com!" I hope you will pay attention!Frank negotiations, hand in hand, open up a brilliant chapter of the enterprise.