Lagos is the largest industrial and commercial center in China, where many small and medium-sized industries are concentrated, including large oil extraction plants, cocoa processing plants, textile, chemical supplies, shipbuilding, vehicle repair, metal tools, paper making, sawing and other factories. The largest business district in Lagos is on Lagos Island, where there are tourism, insurance and publishing industries.Africa Transmission joint friends, look at rest assured service enterprises Zhongyuan valve fittings Lagos overseas product promotion website, the Lagos region common sense compiled by the editor: Lagos is also a national cultural and educational center, with Lagos University, library, museum and other cultural facilities.Transmission 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 Africa Transmission joint customers, which can provide reasonable Transmission joint petrifaction solutions for Lagos Transmission 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.

      Improve internationalization level and serve customers from all continents! [Basement civil air defence be airtight casing pipe] customer from Lagos, hello! Today is 2023-09-09. Since the ZhongYuan website http://www.xdguandao.com was built, you are the 58456th visitor to ZhongYuan enterprise! We strive to be the preferred supplier for Zhongyuan valve fittings's products and services in our chosen sectors. ZhongYuan has been committed to technology exploration and product promotion in the space flight field since its establishment, and has accumulated to provide innovative [Basement civil air defence be airtight casing pipe] products for many 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. Let the business between us no longer distance, ZhongYuan's customer service personnel reminds us of the key points of product knowledge in the field of space flight application: 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. If Lagos customers operation needs something that is not on the market, our team will make it, Zhongyuan valve fittings reminds Lagos friends that this information can help buy good Chinese products: 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 believe in long-term relationship, that Lagos customer delights can be achieved only through begin focused on what you know best, Key points of product knowledge in the space flight field that Lagos 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 Lagos customers operation needs something that is not on the market, our team will make it, Zhongyuan valve fittings reminds Lagos friends that this information can help buy good Chinese products: 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. If there is an order is also a mistake, then we let you wrong to the end, Africa Expansion joint rest assured suppliers Zhongyuan valve fittings Lagos Basement civil air defence be airtight casing pipe internet promotion site 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. Elevating your expectations with our exceptional service, Key Knowledge Points for Related Products in the space flight Industry that Lagos Friends Need to Understand: 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 the product go all over the world, Zhongyuan valve fittings reminds Lagos 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. Exporting success to every corner of the world, Zhongyuan valve fittings reminds Lagos friends to understand this information: 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. We believe that what is best for our customers is best for us, Zhongyuan valve fittings reminds Lagos friends that this information is helpful: 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 do you choose Zhongyuan valve fittings to call and cooperate? The key word "win-win" space flight Basement civil air defence be airtight casing pipe service provider -- Zhongyuan valve fittings advocates "win-win cooperation", which means to achieve win-win both internally and externally. Internally, it is Zhongyuan valve fittings employees themselves. The company creates a good atmosphere, ambitious goals, creates a comfortable Zhongyuan valve fittings corporate culture environment, employees achieve their own career goals and growth, and Zhongyuan valve fittings achieves their interests goals, which is a virtuous circle of "win-win cooperation". Externally, Zhongyuan valve fittings has created good space flight Basement civil air defence be airtight casing pipe products and services, and customers have been recognized, providing good service experience for space flight Basement civil air defence be airtight casing pipe customers, which is also "win-win", and the sense of trust has been further strengthened. This is Zhongyuan valve fittings complementary ecological win-win.


      Made in China!ZhongYuan can listen to calls from Lagos friends at any time. You can choose the following contact methods!

      Science has proved that interactive communication is an effective way to obtain information! Do you have any questions about Basement civil air defence be airtight casing pipe? Don't hesitate to act now!

              Select immediate telephone contact: fixed telephone: +8618539447368

                                                                               Technical consultation telephone: +8618539447368
       

       

       

         Choose online convenient contact: computer website: http://www.xdguandao.com

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        ZhongYuan wish customers May your beautiful dreams come true! Africa Expansion joint rest assured suppliers Zhongyuan valve fittings Lagos Basement civil air defence be airtight casing pipe internet promotion site is looking forward to cooperating with you. It is a great honor for ZhongYuan to provide you with Basement civil air defence be airtight casing pipe series products of advanced! Continuous innovation is the constant pursuit of Basement civil air defence be airtight casing pipe quality by ZhongYuan. ZhongYuan are willing to work with you to open a better future.


      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 customer friend of Paraguay
      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 customer from Mexico
      The contract has basically been implemented, and there is no problem that I was worried about at the beginning. ZhongYuan water supply equipment, OK.
      Basement civil air defence be airtight casing pipe customer friend from Bangladesh
      Basement civil air defence be airtight casing pipe Very good. The manufacturer is active in solving problems, and the after-sales service is guaranteed. Very satisfied.
      Hungary old customers who have purchased Basement civil air defence be airtight casing pipe
      The cooperation with ZhongYuan is generally OK. I hope the manufacturer can strengthen after-sales service in the future!

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

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