Ostrava is a coal mining and metallurgical industrial base rising in the development of Ostrava - Calvina coal field, with coal output ranking first in the country. The output of steel in Ostrava accounts for a large proportion in the country, including the Vitko Weitse Steel Plant built in 1828.Eastern Europe Transmission joint friends, look at the Ostrava region common sense compiled by the product supplier Zhongyuan valve fittings Ostrava overseas customer service station editor: The coke, chemical and heavy machinery manufacturing industries in Ostrava are also relatively developed, with institutions of higher learning such as machinery manufacturing and mining. The castle was built in 1267, and then gradually formed into a city. A large coalfield was discovered near Ostrava in 1770, and began to develop with the development of mines and the construction of blast furnaces in 1830.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 Eastern Europe Transmission joint customers, which can provide reasonable Transmission joint Heat solutions for Ostrava 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.

      Dear [Basement civil air defence be airtight casing pipe] customer, thank you for visiting the Ostrava Transmission joint Basement civil air defence be airtight casing pipe regional product service provider--Zhongyuan valve fittings official enterprise website! Over the years, Zhongyuan valve fittings has insisted on taking research and development as the basis of survival, and constantly improved the application of new technologies in [Basement civil air defence be airtight casing pipe] products! Change for a better future. If you want to know more about the application of [Basement civil air defence be airtight casing pipe] product new technology in practice, please call Zhongyuan valve fittings [Basement civil air defence be airtight casing pipe] technical consultation hotline: [+8618539447368] to learn more new information!
       

      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. Inspiring the world through innovation, Reminder of product knowledge points for serving the Ostrava coal gas industry: 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. Change for a better future, Zhongyuan valve fittings reminds Ostrava friends to understand this information: 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. Elevating your expectations with our exceptional service, Reminder of product knowledge points for serving the Ostrava coal gas industry: 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.  Execution Excellence gets it done, Key points of product knowledge in the coal gas field that Ostrava friends need to understand: 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 Reminder Ostrava Friends can refer to these knowledge: Normalized training is an important part of the work of [Innovative water supply equipment] head office. Keep the original intention and study hard. Execution Excellence gets it done, Key points of product knowledge in the coal gas field that Ostrava 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. ZhongYuan absorb values, integrity and customer loyalty, Zhongyuan valve fittings reminds Ostrava friends that this information is helpful: 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. Creating a brighter future for all, Zhongyuan valve fittings Reminder Ostrava Friends can refer to these knowledge: 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. Transforming your world with our visionary ideas, Key Knowledge Points for Related Products in the coal gas Industry that Ostrava Friends Need to Understand: 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 "word of mouth" coal gas Basement civil air defence be airtight casing pipe service provider - Zhongyuan valve fittings firmly believes that word of mouth is a good marketing method, and "wine is not afraid of deep alley" is a reflection of the peak of word of mouth marketing. Basement civil air defence be airtight casing pipe The technical content of the product is often the key to coal gas Basement civil air defence be airtight casing pipe customer selection and judgment! In recent years, [Eastern Europe Waterproof casing regional security service provider Zhongyuan valve fittings Ostrava Basement civil air defence be airtight casing pipe network publicity site] is injecting new technology into the products and upgrading the products. Strength comes from technological innovation, and reputation comes from stable quality! Basement civil air defence be airtight casing pipe Only by creating valuable products in the coal gas industry and winning the reputation of customers can Zhongyuan valve fittings move to the industry stage. Zhongyuan valve fittings principal believes that to make coal gas industry customers recognize your company, you must first have the Basement civil air defence be airtight casing pipe product you can produce. Zhongyuan valve fittings has always believed in the principle of doing things: no matter how many things you have made, Zhongyuan valve fittings flagship products Basement civil air defence be airtight casing pipe should always maintain a good standard, so that coal gas Basement civil air defence be airtight casing pipe customers will give back good comments after using them. Then the word of mouth of coal gas Basement civil air defence be airtight casing pipe products will go out.


      Chinese products, low practical price, the world praise! ZhongYuan , take building the brand as its important task, and make a small contribution to manufacturing  all over the world! Ostrava Transmission joint Basement civil air defence be airtight casing pipe regional product service provider--Zhongyuan valve fittings ,Since its establishment, Zhongyuan valve fittings has been rooted in the field of [coal gas], and has created [Basement civil air defence be airtight casing pipe] series products of superior performance! Every call you make, every  cooperation, is the driving force for ZhongYuan to move forward! Bless customers "Wishing you all the best for a year filled with exciting new projects and accomplishments!"



      ZhongYuan takes Ostrava friends to see China! Up and down for five thousand years, a magical country.


      There are many historical and cultural heritages in China. I believe these cultural stories with a long history are attractive enough to make Ostrava friends interested in Chinese Basement civil air defence be airtight casing pipe products.


      One of the world's famous attractions:

      The Summer Palace is a vast imperial garden located in the northwest suburbs of Beijing, China. It covers an area of 290 hectares, including a large lake named Kunming Lake. It was originally built in 1750 during the Qing Dynasty and has been expanded and renovated several times by subsequent emperors. It was listed as a UNESCO World Heritage Site in 1998.


      Basement civil air defence be airtight casing pipe friends who are interested in cooperation can look at ZhongYuan's customer feedback and product questions and answers:
      Basement civil air defence be airtight casing pipe customer friend from Papua New Guinea
      Very good manufacturer, the technicians are very patient~excellent~
      Yemen old customers 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 customer of Palau
      ZhongYuan water supply equipment The Basement civil air defence be airtight casing pipe customer service of the enterprise is relatively professional, and the telephone communication is quite clear!

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