In 2014, the added value of all industries in Fujian Province was 1042.671 billion yuan, an increase of 11.8% over the previous year, and the three leading industries in industries above designated size achieved an added value of 340.241 billion yuan. Among them, the added value of the machinery and equipment industry in Fujian Province was 147.831 billion yuan; The added value of the electronic information industry was 69265 million yuan; The added value of petrochemical industry was 123.145 billion yuan, and that of high-tech industry was 91.771 billion yuan.Asia Expansion joint cooperative partner Zhongyuan valve fittings Fujian cross-border product service station more Fujian regional knowledge: Fujian's industrial enterprises above designated size achieved profits of 20.8174 billion yuan in the whole year; Its state-owned and state-owned holding enterprises in China are 22.967 billion yuan; 2.144 billion yuan for state-owned enterprises and 605 million yuan for collective enterprises; 118.291 billion yuan for joint-stock enterprises; 82.906 billion yuan from enterprises invested by foreign investors, Hong Kong, Macao and Taiwan; Private enterprises reached 65.369 billion yuan. The cost per 100 yuan of main business income of industrial enterprises above designated size in Fujian Province is 86.57 yuan, and the profit margin of main business income is 5.73%.Expansion joint The manufacturer Zhongyuan valve fittings is located in Asia, bordering the Pacific Ocean, and the China-EU train runs through the country. Zhongyuan valve fittings has a service team for Asia Expansion joint customers, which can provide reliable Expansion joint space flight solutions for Fujian Expansion joint customers!

      Negative pressure resistance rubber joint

      Negative pressure resistance rubber joint products are mainly: Single ball rubber joint, double ball flexible rubber joint, clamp type rubber joint, acid and alkali resistance rubber joint, high temperature resistance rubber joint, high pressure resistance rubber joint, corrosion resistance rubber joint, innovation of negative...

      Enabling Chinese products to benefit the world! [Negative pressure resistance rubber joint] customer from Fujian, hello! Today is 2023-07-15. Since the ZhongYuan website http://www.xdguandao.com was built, you are the 58456th visitor to ZhongYuan enterprise! Zhongyuan valve fittings build diverse and respectful partnerships. ZhongYuan has been committed to technology exploration and product promotion in the Heat field since its establishment, and has accumulated to provide stylish [Negative pressure resistance rubber joint] products for many customers!
       

      Product introduction:
      Negative pressure resistance rubber joint products are mainly:  Single ball rubber joint, double ball flexible rubber joint, clamp type rubber joint, acid and alkali resistance rubber joint, high temperature resistance rubber joint, high pressure resistance rubber joint, corrosion resistance rubber joint, innovation of negative pressure resistance rubber joint is mainly used in water pump import and export and vacuum pipe and tailings pipe, negative pressure resistance rubber joint in the structure of the same rubber joint products have a great difference,Compared with the general rubber joint products, the rubber joint of our company has a booster protection device to ensure that the rubber joint will not suck flat when it is under negative pressure. The booster ring is generally made of steel or stainless steel. We always offer the right solution, even if it's not clear at first, Key product knowledge points in the field of Heat that Fujian friends need to understand: Our factory uses the stainless steel booster ring to play an important role in the rubber joint, which is used in the seawater and other water cycle engineering group.

      [Product alias]: flexible rubber joint, rubber soft connection, shock absorber, flange soft connection, rubber flexible joint, rubber pipe joint, etc

      [Product specification]: [DN32mm-DN4000mm]

      [Product color]: black, see the product display picture for real color.

      [Scope of application]: [acid, alkali, corrosion, oil, hot water, etc.]

      [Product certification]: International ISO9001-2008

      [Product material]: environmental protection type excellent synthetic rubber; Environmental protection products, do not contain lead and other toxins.

      [Damping grade]: A, excellent damping

      [Working temperature]: -40 degrees to 80 degrees (can also process high temperature resistant rubber joints)


      Product feature:

      Our company has developed a new type of negative pressure resistant rubber joint in the rubber layer of the rubber joint pressurized, flexible steel plate, so that when the positive pressure rubber joint expansion, when the negative pressure rubber joint shrinkage sucking flat steel plate can well block the deformation of the rubber joint, to ensure that the shape meets the design requirements, this structure is suitable for use in corrosive media, ZhongYuan firmly believe that "every process we touch, we will improve", Zhongyuan valve fittings Reminder Fujian Friends can refer to these knowledge: The pressure ring part will not directly contact the medium to ensure the use of integrity, generally used in sewage treatment, waste water treatment, precious metal recovery.


      Product advantage:

      Negative pressure resistance rubber joint in the operation process of negative pressure resistance, high requirements, simple rubber is not resistant to negative pressure, for example, the pipe diameter is 0.1kg of negative pressure, the rubber tube body will suck flat, with the pipe external pressure is completely different, so, negative pressure inner diameter needs to increase negative pressure diversion tube, simply put, Negative pressure duct is to increase a carbon steel pipe in the inner diameter of the rubber shock absorber throat, but the inner diameter of the joint is smaller than the original inner diameter, with the negative pressure duct, the rubber shock absorber throat will not be sucked flat, so the vibration isolation of the original shock absorber throat, expansion effect will not be affected, only affected is the inner diameter of the joint slightly smaller.


      Negative pressure resistance rubber joint application field:

      The negative pressure resistant rubber joint has many superior performance in the use process, so it can be widely used in chemical industry, construction, water supply, drainage, petroleum, light and heavy industry, freezing, health, water heating, fire protection, electric power and other basic engineering.


      Parts material

      No. Part Material
      1 Body Natural rubber  (NR)、Neoprene rubber  (CR)、Butyl rubber  (IIR)、Nitrile butadiene rubber  (NBR)
      Fluorine rubber  (FKM)、Epdm rubber  (EPDM)
      2 Inner & Outer Rubber Natural rubber(NR) Neoprene rubber(CR)Butyl rubber(IIR) Nitrile butadiene rubber(NBR)
      Fluorine rubber(FKM)Epdm rubber(EPDM)Teflon(PTFE)
      3 Body Carcass Nylon cord fabric
      4 Reinforcing Ring Multi-strand coppering steel wire
      5 Flange Cast and forged carbon steel(Q235)、Stainless steel(201、304、316、321)、Plastic(CPVC、PVDF、PPH、UPVC、RPP)

      Technical parameter

      Item | Medol KXT-1 KXT-2 KXT-3 A. If media is oil, acid or alkali.
      B. If special requirements for working temperature
      C. If OEM orders with drawings or samples
      D. Please Inform us about above when ordering
      MpaWoring pressure 1.0(10) 1.6(16) 2.5(25)
      Mpa Burst Pressure 2.0(20) 3.0(30) 4.5(45)
      Kpa Vacuum 53.3(400) 86.7(650) 100(750)
      Applicable Temperature -20℃~+115℃(-30℃~+250℃ under special conditions)-20℃~+115℃(-30℃~+250℃ under special conditions)
      Applicable Medium Air, compressed air, water, sea water, oil, acid, alkali, etc.
      Note: the materials of main parts are the same with those of KXT type

      Main date

      DN
      Nominal Diameter
      (mm)
      Length
      Lmm
      Axial displacement
      mm
      Haorizontal isplacement
      mm
      Angular deflection
      (a1+a2)°
      mm

      inch

      Extension Compression
      32 1.25 95 6 9 9 15
      40 1.5 95 6 10 9 15
      50 2 105 7 10 10 15
      65 2.5 115 7 13 11 15
      80 3 135 8 15 12 15
      100 4 150 10 19 13 15
      125 5 165 12 19 13 15
      150 6 180 12 20 14 15
      200 8 210 16 25 22 15
      250 10 230 16 25 22 15
      300 12 245 16 25 22 15
      350 14 255 16 25 22 15
      400 16 255 16 25 22 15
      450 18 255 16 25 22 15
      500 20 255 16 25 22 15
      600 24 260 16 25 22 15
      700 28 260 16 25 22 15
      800 32 260 16 25 22 15
      900 36 260 16 25 22 15
      1000 40 260 18 26 24 15
      1200 48 260 18 26 24 15
      1400 56 350 20 28 26 15
      1600 64 350 25 35 30 10
      1800 72 350 25 35 30 10
      2000 80 350 25 35 30 10
      2200 88 400 25 35 30 10
      2400 96 400 25 35 30 10
      2600 104 400 25 35 30 10
      2800 112 400 25 35 30 10
      3000 120 400 25 35 30 10
      Note: 1, special requirements can be made according to user drawings, flange standard using GB/T9115.1-2000, optional (GB, JB, HG, CB, ANSI, DIN, BSEN, NF, EN, JIS, ISO, etc.) flange standard production. Rubber ball can be made of natural rubber, EPDM rubber, neoprene rubber, butyl rubber, nitrile rubber, fluorine rubber and so on.
      2, suspended water supply using DN200 or more products, the pipeline needs to have a fixed support or fixed bracket, otherwise the product should be installed anti-pull-out device.
      3. When users use rubber joints, the corresponding flange should be the valve flange or conform to GB/T9115.1-2000 flange.

      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.  Turning ideas into reality with expert manufacturing, Asia Transmission joint product supplier Zhongyuan valve fittings Fujian Negative pressure resistance rubber joint overseas product promotion station customer service Key Knowledge Reminder: Strengthen communication with users, dedication to provide our customers with excellent products, perfect and beautiful service, innovation pipeline hereby make the following commitment:


      Reasons for choosing innovative pipelines:

      The reason why many Negative pressure resistance rubber joint customers choose Innovative water supply equipment is that the key word "win-win culture" Construction of chemical and municipal pipelines in power plants Negative pressure resistance rubber joint service provider - 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. ZhongYuan's customer service personnel reminds us of the key points of product knowledge in the field of Heat application: The company creates a good atmosphere, ambitious goals, creates a comfortable Innovative water supply equipment cultural 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". Develop the Fujian Market with brands and impress Fujian customers with services, Asia Transmission joint product supplier Zhongyuan valve fittings Fujian Negative pressure resistance rubber joint overseas product promotion station customer service Key Knowledge Reminder: Externally, Innovative water supply equipment creates good Construction of chemical and municipal pipelines in power plants Negative pressure resistance rubber joint products and services, and customers gain recognition and provide good service experience for Construction of chemical and municipal pipelines in power plants customers, which is also "win-win", and the sense of trust is further strengthened. This is Innovative water supply equipment complementary ecological win-win.


      Product standards:

      Steel telescopic products are designed, manufactured and accepted in strict accordance with Chinese GB and HG standards and American API standards. Make your factory work easier, not harder, Zhongyuan valve fittings reminds Fujian 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.


      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. Key Knowledge Points for Related Products in the Heat Industry that Fujian Friends Need to Understand: 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!


      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. 

      Why choose Zhongyuan valve fittings to negotiate cooperation? The key word "professional knowledge" Heat Negative pressure resistance rubber joint service provider -- Zhongyuan valve fittings training practice on Heat industry Negative pressure resistance rubber joint product knowledge. Zhongyuan valve fittings Every employee can provide pre-sale and after-sales service to customers only if they master the main Negative pressure resistance rubber joint product knowledge! Zhongyuan valve fittings will hire Heat industry experts and scholars to the company every year, enter the Negative pressure resistance rubber joint workshop, and carry out detailed training from Negative pressure resistance rubber joint product production principles to Heat industry applications. Through continuous learning and training, strengthen the basic knowledge of Zhongyuan valve fittings newcomers about Negative pressure resistance rubber joint, improve the familiarity of Zhongyuan valve fittings employees in the Heat industry, improve work efficiency in future work, and better serve Negative pressure resistance rubber joint customers and friends!


      Thank you for your attention to Made in China! In the era of intelligent manufacturing, the craftsman spirit is not outdated, and its essence is to do things and wholeheartedly. Asia Transmission joint product supplier Zhongyuan valve fittings Fujian Negative pressure resistance rubber joint overseas product promotion station has been dedicated to Work together to create the future for many years, sticking to the Heat field, and polishing "craftsman" level talents on Negative pressure resistance rubber joint! At the end of the day, innovation is part of ZhongYuan's DNA.



      ZhongYuan takes Fujian friends to see China! From ancient dynasties to modern-day innovations, there is so much to explore and discover.



      There are many historical and cultural heritages in China.
      Zhongyuan valve fittings believe these cultural stories with a long history are attractive enough to make Fujian friends interested in Chinese Negative pressure resistance rubber joint products.



      This cultural heritage is alluring to Fujian friends:

      The Grand Canal is lined with historic towns and villages, many of which have preserved their traditional architecture and customs. Visitors can explore these charming settlements and gain insight into the daily life of ancient Chinese communities. Additionally, the canal itself is home to a variety of distinctive bridges, locks, and sluices that reflect the ingenuity of Chinese engineers and their deep respect for the natural environment.
      The canal required an enormous amount of labor to construct and maintain, with many sections requiring hand-digging by armies of laborers over several centuries. It features a range of innovative structures, including multiple-tiered locks that enable boats to navigate between different levels of water, and intricate sluice gates that regulate the flow of water.
      The Grand Canal is also a testament to the perseverance and ingenuity of the Chinese people. Despite the challenges of constructing such a massive waterway, ancient engineers were able to build a transportation network that connected regions thousands of kilometers apart. Today, while much of the canal has been replaced by modern highways and railways, it remains an important symbol of China's enduring cultural heritage and technological prowess.


      Build long-term relationships and grow organically.

      The right balance of people, process and technology allows us to consistently exceed customer expectations in terms of quality, precision, speed and cost. Let's talk about your next project and how we can meet your specific requirements.

      Friends from Negative pressure resistance rubber joint can learn about ZhongYuan's customer feedback and product questions and answers:
      Gansu old customers who have cooperated with Negative pressure resistance rubber joint
      Very good quality, very easy to use, very satisfied.
      China Shanxi friends who have cooperated with Negative pressure resistance rubber joint
      Yes, we are quite satisfied with the cooperation with ZhongYuan.
      Anhui friends who have purchased Negative pressure resistance rubber joint
      The quality is satisfactory. Negative pressure resistance rubber joint is in normal use and is very good.

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