Pipe construction materials: technical characteristics and application

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2018-03-22 01:12:16

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Communications systems consist of channels of a certain size. As the conductive element in many of them can be used pipe chrysotile-cement, the main ingredient which is a type of asbestos. This feature is less secure than amphibole counterpart, is banned in European countries due to known carcinogenic activity.

chrysotile-cement Pipe

Advantages and disadvantages

The Materials used for the production of pipelines, there are quite a lot. Each of them has its own advantages, depending on which conclusions are drawn on possibility of use in a particular situation. It is further proposed to consider what positive qualities of chrysotile-cement pipe.

The basic advantages are:

  • Ability to operate when exposed to aggressive environments;
  • Low level of conductivity;
  • Simple mounting technology;
  • Absence of corrosion processes in use;
  • Long lifespan.

chrysotile-cement pipe

Of the downsides of excessive fragility. It gives some difficulties when laying or installing of the items. Products are mostly cracked at the point of mechanical impact.

Classification and application

Split chrysotile-cement pipe can be into two large categories. The first of these is the production of pressure type. Such elements have high strength, so they can be used in communication networks with internal pressure. However, to use them as heating for hospitals, kindergartens, schools and other institutions is not allowed.

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The Second category is represented by the unconfined products. Most popular BOT chrysotile-cement pipe of 100 mm. It is often acquired to create a sewage system or a private house drainage design of the site. Sometimes inside elements to fit the cables for the organization of communication channels.

Pipe

Products are non-pressure type are used extensively in the chimney, if the exhaust temperature does not exceed 300 degrees. They can be useful when landscaping. With their help, arranged flower beds, urns, and erected the columns. In some cases, the pipe construction materials BOT plays the role of a support pillar of the Foundation. The number of bearing elements is determined by the mass of the structure and cross beams tying.

Specifications non-pressure products

With the presented articles arranged mostly communications systems in which there is no pressure. In this regard, it is proposed to examine the technical indicators of it free-flow elements.

BNT 100

BNT 150

BNT 200

Outer diameter in inches

11,8

16,1

21,3

The Thickness of the side wall in mm

9

10

11

Length in meters

3,95

The Weight of one running meter in kilograms

6,1

9,4

18

These characteristics are chrysotile-cement pipe. GOST for their production (GOST 31416-2009) allows to control the quality. In paragraphs of the documentation requirements for the final product.

On the surface of products should not be chips or cracks. From straightness is allowed to deviate by no more than 12-24 mm (depending on the length of the element). The value of the hydraulic pressure test for non-pressure analogues should be more than 0.4 MPa.

Product Labeling

To simplify the selection process, the pipe construction materials should be somehow marked. Usually on the outer surface is applied a special marking by means of paint. The inscription contains information about the manufacturer, item type, conditional pass and the batch number.

chrysotile-cement Pipe 100

Transport and storage

When shipping items must be securely fastened. In the process of unloading is not permitted discarding products directly from the machine. Pipe-laying should be carried out in piles on the pad with a smooth surface. If the storage location contains the bumps and hollows, as the basis used wooden strips. The bottom row when it is desirable to fix.

Production process

Pipes are Manufactured from chrysotile-cement mortar reinforced with fibers. First, the main component of the crushed mechanically. Further, the prepared liquid composition. 85 percent of binder is placed only 15 percent of chrysotile asbestos. In the production should apply to raw materials, meet the requirements of these standards. Plays an important rolethe activity of radionuclides. Its value must conform to the standards, which were approved by the paragraphs of the standard.

A Little about component details

The Main element is a chrysotile-cement pipe. However, it usually comes together with special couplings. During the works needs to be part of the same class. As for pressure counterparts, they are also equipped with sealing rings made from rubber.

chrysotile-cement Pipe

Warranty

If the consumer complied with the recommended rules of storage, operation and transportation of products, it can count on the time period within which may be replaced defective items. This period is not more than 1 year from the date of shipment by the manufacturer.

Features of carrying out of works on installation

In pipeline no need to use heavy equipment or special equipment for the connection. Docking is performed by a plastic or chrysotile-cement couplings. If necessary, the rubber seals are inserted, making possible to achieve acceptable sealing. The pressure strip firmly against the surface. The radial clearance located between the coupling and the pipe, allows to obtain the necessary bend when connecting. The communication channel without expansion joints is considered to be inexpensive, but at the same time reliable.

chrysotile-cement Pipes GOST

It Should be noted that drainage systems are used not regular items, and perforated. Through holes excessive moisture from the site goes directly to the channel, and then is discharged to the manifold. To avoid blockages, it is recommended to use a permeable membrane loose gravel.

Final part

For the communication networks of private homes are usually sold chrysotile-cement pipe of 100 mm, as it is in many cases the best option. If necessary, you can purchase items with a larger or smaller diameter. However, you must remember that with increasing cross-section substantially thicken the side walls of the product, so the mass increases. For this same reason, it increases the cost of production.


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BE: https://tostpost.com/be/b-znes/10483-truba-hrizotilcementnaya-tehn-chnyya-haraktarystyk-prymyanenne.html

DE: https://tostpost.com/de/business/10484-rohr-hrizotilcementnaya-technische-daten-und-anwendung.html

ES: https://tostpost.com/es/negocio/10488-tubo-de-hrizotilcementnaya-especificaciones-y-uso-de.html

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PT: https://tostpost.com/pt/neg-cios/10480-a-tubula-o-de-hrizotilcementnaya-caracter-sticas-t-cnicas-e-aplica-o.html

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Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."

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