Hainan's marine fishery resources are characterized by a wide range of marine fisheries, a variety of species, fast growth and a long fishing season. It is an ideal place for China to develop tropical marine fisheries. Hainan Province has an area of nearly 300000 square kilometers of marine fishing grounds and 25700 hectares of coastal tidal flats for aquaculture. There are more than 800 kinds of marine aquatic products, more than 600 kinds of fish, and more than 40 kinds of main marine economic fish.Asia Waterproof casing trusted partners Zhongyuan valve fittings Hainan overseas product website make up more Hainan regional knowledge: Many precious seafood species in Hainan have been cultivated in the shallow sea. There are more than 25000 hectares of shallow beaches available for artificial cultivation, and more than 20 kinds of fish, shrimp, shellfish, and bath with high economic value. There are 72 species of freshwater fish (excluding anadromous fish) in 15 families, 57 genera in Hainan Island. Hainan Island is an ideal natural salt farm in China. Many places in coastal harbors and tidal flats can bask in salt, which is concentrated in the arc zone hundreds of miles from Sanya to the eastern coast. Yinggehai, Dongfang, Yuya and other large salt farms have been built, of which Yinggehai salt farm is a rare large salt farm in southern China.Waterproof casing manufacturer Zhongyuan valve fittings is located in Asia, and the China-EU train runs through the country. Zhongyuan valve fittings has a service team for Asia Waterproof casing customers, which can provide Waterproof casing petrifaction solutions with confidence for Hainan 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 [Basement civil air defence be airtight casing pipe] customer! You are the 124531 guest visiting ZhongYuan enterprise! Influence people in a positive way and treat everyone with respect. ZhongYuan has been committed to technical exploration and experience accumulation in space flight since its establishment, and has provided sophisticated [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. If there is an order is also a mistake, then we let you wrong to the end, Zhongyuan valve fittings Reminder Hainan Friends can refer to these knowledge: 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. Your success is our top priority, Zhongyuan valve fittings reminds Hainan friends that this information is helpful for choosing 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. Let us transform your ideas into reality today! Zhongyuan valve fittings reminds Hainan friends that this information is helpful: 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.  We make the buying process simple and our products easy to use, Zhongyuan valve fittings Reminder Hainan 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. Zhongyuan valve fittings reminds Hainan 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. Zhongyuan valve fittings Reminder Hainan Friends can refer to these knowledge: 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 keep innovation, with high passion, to provide perfect project for every client, Asia Transmission joint Basement civil air defence be airtight casing pipe regional product service provider--Zhongyuan valve fittings Hainan multinational product promotion site customer service Key Knowledge Reminder: 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. If Hainan customers operation needs something that is not on the market, our team will make it, Zhongyuan valve fittings reminds Hainan 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 reminds Hainan friends that this information is valuable: 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. 

      space flight The reason why customers choose Asia Transmission joint Basement civil air defence be airtight casing pipe regional product service provider--Zhongyuan valve fittings Hainan multinational product promotion site to cooperate is the core point of "innovation spirit" space flight Basement civil air defence be airtight casing pipe service provider -- Zhongyuan valve fittings About "professional innovation", Zhongyuan valve fittings people agree that the "professional innovation" we advocate is not blind innovation, but innovation based on space flight specialty. Only when we improve our professional level in space flight 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 space flight Basement civil air defence be airtight casing pipe product suggestions and solutions for the company. Such innovation is valuable to space flight industry customers.


      Our experience across our wide range of technologies gives us a unique ability to provide quick feedback on the feasibility of your process. Thank you for attention to the Basement civil air defence be airtight casing pipe product information, and welcome Hainan 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]. Let the products made in China and serve more international customers!



      Hello,Hainan friends.We have assembled a very experienced team, with backgrounds in engineering, design, contracting and manufacturing. We’ve literally seen the industry from every perspective, including yours, so why not let us help? We’re here to help make your project the “best in class.”

      Basement civil air defence be airtight casing pipe friends of international have a look at some of ZhongYuan water supply equipment's customer feedback and product questions and answers before deciding:
      Anhui friends who have cooperated with Basement civil air defence be airtight casing pipe
      Very good quality, very easy to use, very satisfied.
      Basement civil air defence be airtight casing pipe friend of Shaanxi
      Very good quality, very easy to use, very satisfied.
      Basement civil air defence be airtight casing pipe friend from Anhui
      Through several exchanges with ZhongYuan water supply equipment's salesmen, the manufacturer has been focusing on Construction of chemical and municipal pipelines in power plants for some years, and has good experience and cooperation!

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