Libreville is the capital, the largest city and the second largest port of Gabon. It is also the political, economic, cultural center and transportation hub of the country, and the capital of Hekou Province. "Libreville" means the free city. In 1839, the French captain Bouet found that this was a good place to build a business station, and he defrauded the sovereignty of a large area of land on both sides of the Gabon estuary at a low price. Libreville reserves include phosphate, gold, barite, nickel, chromium, zinc, etc.Follow Waterproof casing product supplier Zhongyuan valve fittings Libreville cross-border business service station to learn the common Libreville regional knowledge: The coastal exclusive economic zone is 200 nautical miles wide and rich in fishery resources.Waterproof casing supplier Zhongyuan valve fittings is located in East Asia, China, bordering the Pacific Ocean, and the China-Europe train runs through the country. Zhongyuan valve fittings has a designated service team for Africa Waterproof casing customers, which can provide reliable Waterproof casing petrifaction solutions for Libreville Waterproof casing 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.

      Dear Libreville [Basement civil air defence be airtight casing pipe] customer! You are the 124538th guest to visit ZhongYuan enterprise! You have the vision.We know how to make it real. ZhongYuan has been committed to space flight innovation exploration and experience accumulation since its establishment, and has provided good after-sales 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. Building a better world through technology, Zhongyuan valve fittings reminds Libreville friends that this information is helpful for choosing Chinese products: 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,Empowering your global business growth, Key points of product knowledge in the field of space flight: 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. Inspiring the world through innovation, Key Knowledge Points for Related Products in the space flight Industry that Libreville Friends Need to Understand: 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.  If Libreville customers operation needs something that is not on the market, our team will make it, Zhongyuan valve fittings Reminder Libreville Friends can refer to these knowledge: 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. Let good quality flow freely without borders, Libreville Waterproof casing Basement civil air defence be airtight casing pipe rest assured service enterprises--Zhongyuan valve fittings customer service Key Knowledge Reminder: Normalized training is an important part of the work of [Innovative water supply equipment] head office. Keep the original intention and study hard. We power the future through advanced manufacturing technology, Zhongyuan valve fittings reminds Libreville friends that this information is valuable: 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. Let good quality flow freely without borders, Zhongyuan valve fittings reminds Libreville 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. We have been in your position to make the latest technology work for you, Zhongyuan valve fittings reminds Libreville friends that this information can help buy good Chinese products: 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. Zhongyuan valve fittings,Your reliable partner for international trade, Zhongyuan valve fittings reminds Libreville friends to understand this information: 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. 

      Libreville Waterproof casing Basement civil air defence be airtight casing pipe rest assured service enterprises--Zhongyuan valve fittings Based on the advantages of the space flight industry, the core point "cultural atmosphere" space flight Basement civil air defence be airtight casing pipe service provider - Zhongyuan valve fittings always believes that the enterprise culture condenses the hearts of the people, and excellent talents shape high-quality products! Zhongyuan valve fittings, which has adhered to the space flight field and created Basement civil air defence be airtight casing pipe products with ingenuity for many years, has always attached great importance to the impact of cultural concepts on enterprises! Corporate culture is the soul and development cornerstone of Zhongyuan valve fittings, and the formation of Zhongyuan valve fittings corporate culture is by no means a result of one day.


      Dreams make our lives worth living. Thank you for attention to the Basement civil air defence be airtight casing pipe product information, and welcome Libreville friends valuable suggestions , If you have any questions about ZhongYuan Basement civil air defence be airtight casing pipe, please call ZhongYuan technical engineer at [+8618539447368]. Good products in China, serving customers from all continents!



      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 who want to buy can browse“ ZhongYuan water supply equipment” Relevant product customer evaluation and product question and answer:
      Basement civil air defence be airtight casing pipe customer of Sichuan
      Basement civil air defence be airtight casing pipe Very satisfied, very fast, ha ha, happy cooperation!
      China Xinjiang friends who have cooperated with Basement civil air defence be airtight casing pipe
      We also saw a lot of Construction of chemical and municipal pipelines in power plants related manufacturers online and chose to cooperate with ZhongYuan water supply equipment.
      China Xinjiang old customers who have purchased Basement civil air defence be airtight casing pipe
      The quality is stable and very easy to use. I am very satisfied with the cooperation with ZhongYuan water supply equipment this time.
      Basement civil air defence be airtight casing pipe customer friend of Hubei
      ZhongYuan Brand strength is indeed as promised by the manufacturer. The 24-hour service can't be done, but after-sales service can solve the problem quickly during normal working hours.

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

      Add:Gongyi City, Henan Province, China    Privacy Policy    allsites      mobilesite
      Phone: +8618539447368    Email: 
      18539447368@163.com
      Website:http://www.xdguandao.com/
      WAP