Zhejiang's gross domestic product (GDP) was 4015.4 billion yuan, an increase of 7.6% over the previous year. Among them, the added value of Zhejiang's primary industry was 177.9 billion yuan, the added value of the secondary industry was 1915.3 billion yuan, the added value of the tertiary industry was 1922.2 billion yuan, up 1.4%, 7.1% and 8.7% respectively, and the per capita GDP was 72967 yuan (converted to 11878 dollars at the annual average exchange rate), up 7.3%.More Zhejiang regional common sense Asia Expansion joint product partners Zhongyuan valve fittings Zhejiang network promotion sub-station editors have been sorted out: The value-added structure of the three industries was adjusted from 4.7:47.8:47.5 in the previous year to 4.4:47.7:47.9. The proportion of the tertiary industry in Zhejiang exceeded that of the secondary industry for the first time.Expansion joint service provider Zhongyuan valve fittings is located in the Eurasian continental plate, bordering the Pacific Ocean, and shipping is convenient. Zhongyuan valve fittings has a service team for Asia Expansion joint customers, which can provide reasonable Expansion joint coal gas solutions for Zhejiang Expansion joint customers!

      Basement civil air defence be airtight casing pipe

      Underground civil air defense flexible closed casing is used in underground engineering, chemical industry, steel, construction, chemical industry, tap water, sewage treatment units. Flexible closed casing is to solve some underground engineering pipeline through the wall, and through the strict waterproof requirements; There are also some structures also need pipeline through the wall, but also limit the pipeline can not be due to temperature change or external force to produce expansion and displacement, more do not allow the pipeline under the action of external factors vibration and design.


      Let Chinese manufacturing benefit the world! Dear [Basement civil air defence be airtight casing pipe] customer, welcome! Today is 2023-08-13. Since the ZhongYuan website http://www.xdguandao.com was built, you are the 26145th visitor to ZhongYuan enterprise! ZhongYuan has been committed to Heat innovation exploration and product promotion since its inception, and has provided the best service [Basement civil air defence be airtight casing pipe] products to hundreds of customers!
       

      Product introduction:

      Underground civil air defense flexible closed casing is used in underground engineering, chemical industry, steel, construction, chemical industry, tap water, sewage treatment units. Key product knowledge points in the field of Heat that Zhejiang friends need to understand: Flexible closed casing is to solve some underground engineering pipeline through the wall, and through the strict waterproof requirements; There are also some structures also need pipeline through the wall, but also limit the pipeline can not be due to temperature change or external force to produce expansion and displacement, more do not allow the pipeline under the action of external factors vibration and design.Its shell is poured on the wall at a time, and the pipe passes through the middle of the casing. Zhongyuan valve fittings reminds Zhejiang friends that this information is helpful: The outer diameter of the pipe and the middle of the casing are sealed with packing, which plays a waterproof and reducing role.

      Product name: Basement air defense flexible closed casing

      Name: Closed casing, flexible closed casing

      Caliber specification: [DN50mm-DN3200mm]

      Product color: sky blue, red, green (see product display picture for real color)

      Application: [steel pipe, PP pipe, etc.]

      Product standard: 04FS02 (Atlas number)

      Certification: International ISO9001-2001

      Product grade: Grade A

      Working temperature: -20 degrees to 80 degrees (can also process the whole 304, 316, 316L stainless steel)


      Product advantage:

      1. Flexible closed casing is manufactured in accordance with the national standard 04FS02, and the material is Q235-A.

      2, flexible packing material: asphalt hemp, polystyrene board, polyvinyl chloride foam plastic board.

      3, sealing paste: polysulfide sealing paste, polyurethane sealing paste.

      Note: 1. The thickness of the concrete wall through the pipe should not be less than 200, otherwise one or both sides of the wall should be thickened. The diameter of the thickened part should be at least D4+200. 2. The steel pipe and retaining ring shall be galvanized after welding, and then installed with the casing. ZhongYuan firmly believe that "every process we touch, we will improve", ZhongYuan's customer service personnel reminds us of the key points of product knowledge in the field of Heat application: After all the installation, the baffle and the fixed flange are welded. 3. The welder adopts manual arc welding, and the welding rod model is E4303


      product feature:

      Flexible closed casing description, air defense closed casing description:

      1. flexible packing material: asphalt hemp, polystyrene board, polyvinyl chloride foam plastic board.

      2. sealing paste: polysulfide sealing paste, polyurethane sealing paste.

      3. The thickness of the concrete wall through the wall should not be less than 300, otherwise the wall should be thickened on one side or on both sides, and the diameter of the thickened part should be at least D5+200.

      4. steel pipe and baffle after welding through galvanized treatment, and then implement and sleeve installation.

      5. Manual arc welding is adopted, and the electrode type is E4303.


      Parts material:

      No

      Name

      Quantity

      Material

      Memo

      1

      Flange casing pipe

      1

      Q235-A

      Welding part

      2

      Gasket

      1

      Neoprene rubber

       

      3

      Flange cover

      1

      Q235-A

      Welding part

      4

      Bolt

      n

      Q235-A

      GB897-88A

      5

      Nut

      n

      Q235-A

      GB/T41-2000

      6

      Steel pipe

       

      Q235-A

      --

      7

      Baffle

       

      Q235-A

       


      Technical parameter:

      DN

      D1

      D2

      D3

      D4

      D5

      D7

      L

      L0

      L1

      L2

      d1

      d2

      d3

      D1

      D2

      K

      n-M

      50

      60

      95

      65

      145

      200

      81

      65

       

      72

      30

      3.5

      4

      8

      65

      86

      4

      4-M12

      65

      76

      114

      80

      165

      220

      96

      65

      25

      72

      30

      3.75

      4

      8

      80

      105

      4

      4-M12

      80

      89

      127

      95

      180

      235

      115

      65

      25

      76

      38

      4

      4

      10

      95

      118

      4

      4-M16

      100

      108

      146

      114

      200

      255

      134

      65

      25

      76

      38

      4

      4.5

      10

      114

      136

      4

      4-M16

      125

      133

      180

      140

      235

      290

      160

      65

      25

      76

      38

      4

      6

      10

      140

      167

      6

      6-M16

      150

      159

      203

      165

      260

      315

      185

      65

      25

      76

      38

      4.5

      6

      10

      165

      190

      6

      6-M16

      200

      219

      265

      226

      320

      375

      246

      65

      25

      76

      38

      6

      6

      10

      226

      252

      6

      6-M16 Production site


      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.   Asia Transmission joint supplier Zhongyuan valve fittings Zhejiang Basement civil air defence be airtight casing pipe multinational product promotion site customer service Key Knowledge Reminder: 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.  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:

      Innovative water supply equipment The reason for becoming a Basement civil air defence be airtight casing pipe long-term partner, the key word "learning culture" Construction of chemical and municipal pipelines in power plants Basement civil air defence be airtight casing pipe service provider -- Innovative water supply equipment firmly believes that training leads to talent, efficiency and quality. The success of Zhejiang customers is always be the goal ZhongYuan pursue, Zhongyuan valve fittings reminds Zhejiang friends that this information can help buy good Chinese products: Normalized training is an important part of the work of [Innovative water supply equipment] head office. Keep the original intention and study hard. Change for a better future, Reminder of product knowledge points for serving the Zhejiang Heat industry: Innovative water supply equipment There is no end to the training work, only when it is in progress!


      Product standards:

      Steel telescopic products are designed, manufactured and accepted in strict accordance with Chinese GB and HG standards and American API standards. Zhongyuan valve fittings reminds Zhejiang friends that this information is helpful for choosing Chinese products: 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. Let us transform your ideas into reality today! Key product knowledge points in the field of Heat that Zhejiang 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. Let good quality flow freely without borders, Reminder of product knowledge points for serving the Zhejiang Heat industry: 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. 

      Many Basement civil air defence be airtight casing pipe customers choose Zhongyuan valve fittings, focusing on the "innovative spirit" Heat Basement civil air defence be airtight casing pipe service providers - Zhongyuan valve fittings about "professional innovation", Zhongyuan valve fittings people agree that the "professional innovation" we advocate is not to emphasize blind innovation, but to create innovation based on Heat specialty. Only when we improve our professional level in Heat can we put forward more constructive and innovative ideas. Professional innovation also echoes the "Zhongyuan valve fittings craftsman spirit" proposed by the company, and can provide more feasible Heat Basement civil air defence be airtight casing pipe product suggestions and solutions for the company. Such innovation is valuable to Heat industry customers.


      We create innovative products,inclusive cultures and values for all our stakeholders. Thank you for your attention to the Basement civil air defence be airtight casing pipe product information, and welcome your valuable suggestions , If you have any questions about ZhongYuan Basement civil air defence be airtight casing pipe, please call ZhongYuan technical engineer at [+8618539447368]. Thank you international friends for paying attention to made in China! 



      ZhongYuan takes Zhejiang friends to see China! In addition to technological advancements, China is also known for its traditional arts such as calligraphy, painting, opera, and martial arts.



      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 Zhejiang friends interested in Chinese Basement civil air defence be airtight casing pipe products.


      Cultural elements that must be comprehended when visiting China:


      The Maijishan Grottoes are built into the mountain in such a way that they are protected from the elements, which has helped to preserve their delicate artwork over the centuries. The caves are also designed in a way that allows for natural ventilation and lighting, creating a comfortable and welcoming environment for visitors.Murals cover the walls and ceilings of the caves and depict scenes from Buddhist mythology and daily life. The colors are vibrant and the details are intricate, offering visitors a glimpse into the artistic style and cultural practices of ancient China.

      The Maijishan Grottoes are significant as a cultural landmark. They are a testament to the skill and creativity of ancient Chinese artisans, who spent centuries carving and decorating these magnificent caves. The grottoes are also an important religious site, representing the spread and influence of Buddhism in China over many centuries.
      The Maijishan Grottoes are a remarkable achievement of ancient Chinese art and architecture, as well as a significant religious and cultural landmark. From their majestic mountain setting to their intricate statues and murals, these grottoes are truly a marvel to behold and should be on every traveler's itinerary when visiting China.

       



      Hello,Zhejiang friends,We simplify the process from quotation to delivery, making product manufacturing easy and simple.!

      Basement civil air defence be airtight casing pipe friends of international come to browse some of ZhongYuan water supply equipment's customer feedback and product questions and answers:
      Basement civil air defence be airtight casing pipe friend from Chongqing
      The goods are very good and the transportation is fast
      Basement civil air defence be airtight casing pipe customer friend from China Liaoning
      The goods are very good and the transportation is fast
      Heilongjiang friends who have cooperated with Basement civil air defence be airtight casing pipe
      The quality is satisfactory. Basement civil air defence be airtight casing pipe is in normal use and is very good.
      Basement civil air defence be airtight casing pipe friend from Shanghai
      A good manufacturer who builds a brand with quality, improves the brand with service, and pays attention to quality and reputation!

      Hot Product:Retractor,Expansion joint,Transmission joint,Sleeve compensator,Spherical compensator,Waterproof casing

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