• Glass steel water supply pipeline System 1
Glass steel water supply pipeline

Glass steel water supply pipeline

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Using temperature range:                  30 (c)

The coefficient of friction:              1

The wear volume:                          3

Impact strength:                          6 (MPa)

Material:                                 Glass steel

Pipe diameter:                            1000 (mm)

Pipeline thickness:                       10 (mm)

Application of fluid:                     Water

One, overview of performance

Large diameter: diameter range 4000mm working pressure 50 - 0-5.0MPa

High strength: circumferential tensile strength: 320Mpa, axial tensile strength of 220Mpa (strength required design)

High rigidity: resin quartz sand sandwich structure. 1250, 2500, 3750, 5000, 10000N/M and above.

Anti leakage: rich resin lining layer and the jacket layer density structure, inside and outside leakage proof.

Light weight: generally only the same caliber steel pipe 1/4, cement pipe 1/10, low cost of installation.

Corrosion: corrosion resistance performance is especially outstanding transport corrosive medium and any sewage.

Electrical insulation: breakdown voltage of 12 - 16KV/mm.

Smooth inner wall: hydraulic friction coefficient is small and stable for a long time, has the energy conservation benefit.

Good freeze resistance: when water freezes not cracking.

Good insulation properties: its thermal conductivity is only 1/233 of steel pipe.

Long service life: by 50 years of design. Only the service life into the domestic and international standards of products.

Delivery performance is good: the vinyl resin, good water quality, no peculiar smell, and long-term use and not fouling, avoid light conditions do not produce microbial.

Two, the advantages of glass pipe

Compared with other material pipe, glass pipe prop has the following obvious advantages:

(1) good corrosion resistance. The glass steel pipe can resist acid, alkali erosion fluid, non fluid, in general, steel tube service life is 15 years, cast iron pipe is 5 - 10 years, and the glass pipe can be used for 50 years.

(2) antifouling moth resistance. Unsaturated polyester resin surface pipeline clean and smooth, its special biological stain fungi medium will not be boring rot, for example, steel, cast iron or steel reinforced concrete pipe, surface susceptible to microbial of boring and difficult to remove, so that increasing the roughness, reduce water cross section. While the glass steel pipe in the light of circumstances will not produce microbial, so no pollution, long-term use of clean.

(3) the heat resistance, good freeze resistance. Can be used for a long time range of - 40 C and 80 C within, if resin using a special formula can be more than 110 DEG C temperature work.

(4) engineering, long service life, safe and reliable. Pipeline durability, safety coefficient is above 6. The pipeline life can reach up to 50 - 100 years. For example, the pipeline, built from Shenzhen to Hongkong water supply project in the Hongkong side of the long 50KM, glass steel pipeline for each of the two inner diameter of 2.2m and 1.7m, the installation and use of throw intact so far from 1965.

(5) of light weight, high strength, convenient transportation and installation. Glass steel pipeline density is approximately 1.8, pipe hoop tensile strength of 100 - 200Mpa (close to the steel pipe), axial tensile strength of 320Mpa. Glass steel pipeline each effective length up to 12M, a concrete pipe can reduce 2/3 of the joint. Single, double sealed socket type connection, quick and convenient installation, construction period than the steel pipe, cast iron pipe, concrete pipe can shorten 1/3, welding and rust and cumbersome process and avoids the steel pipe installation required.

(6) friction resistance of small, high delivery capacity. Glass pipe inner surface is very smooth, rough rate (0.0084) and the frictional resistance is small (much smaller than the pipe and cast iron pipe roughness). Computational Hydraulics used by the Hasen William (Hazen-Williams) coefficient C can be maintained at 145 - 150 range long, get the test flow friction loss coefficient f is 0.000915, a concrete pipe (f=0.00232) and tube (f=0.00179) can significantly reduce the flow loss of pressure, improve the transmission capacity of more than 20%. Therefore, in the transport capacity is the same, the glass pipe engineering can choose smaller internal diameter, thereby reducing disposable project investment; if the pipeline using the same diameter, glass steel pipeline can reduce the pressure loss than the other pipe materials, which saves the pump power and energy (30% - 40%), reducing operation cost long.

(7) electrical and thermal insulation is good. Glass steel is an insulator, electric insulation performance advantages of the pipeline, the most suitable for use in power lines, telecommunications lines concentrated regions and multiplexers; heat transfer coefficients of the glass steel is very small (0.25kcal/m H C), pipe insulation performance. Good abrasion resistance. To contain a large number of mud, sand water, rotating effect of wear contrast test is arranged in the pipe. After 3000000 times of rotation, detecting the wear degree of the inner wall of the pipe is as follows: steel pipe for tar and enamel coating for steel 0.53mm; use epoxy resin and tar coating for 0.52mm; the steel surface hardening treatment for 0.48mm; glass steel pipe for the 0.21mm. This could explain the considerable wear.

(9) engineering and maintenance convenient save. Glass steel pipeline due to the corrosion resistance, wear resistance and frost resistance, anti pollution performance, so do not need to be altered, engineering measures such as anti rust and antifouling, insulation. The buried pipe without protection, save the engineering maintenance costs more than 70%. If encounter unexpected damage is easy to repair.

(10) can be designed, adaptability. According to the use of specific, be specific properties and shape on pipeline design:

A: Design of the winding angle when, in order to make the pipeline with different shaft / hoop strength distribution;

B: on the wall thickness of pipeline design, in order to make the pipelines can be subjected to different internal and external pressure;

C: Design of the material, in order to achieve different corrosion purpose, retarding, dielectric objective etc.;

D: Design of the joint mode, the application of different installation conditions, in order to improve the speed of installation engineering;

E: can design the shape of the products, to meet the specific shape need.

F: to be awakened by the rigidity of the pipeline design, to meet the different requirements of the load.

(12) the project integrated low cost and good benefit. The comprehensive benefit is the overall cost of long term benefit refers to a variety of factors by the investment of construction, installation and maintenance cost, service life, saving energy and steel form. The engineering practice shows that the comprehensive cost less than 15 - 20% steel pipe, ductile iron pipe, concrete pipe is 5 - 10% lower than. Such as considering long-term various functions and using the pipeline, the comprehensive benefit of FRP pipe is desirable, especially in the larger diameter, the lower the cost of. When further consideration of buried pipes can be used for decades, and every year without maintenance, more can play the comprehensive benefits of superior.



Q:What is the quality of plastic steel profiles in the end?
08 years to now has been doing the money, it began to have no conch and Shide famous, but it is higher than the other brands, the reason it is a high proportion of plastic, that is less talc powder, the other three sealed pad The bridge is split, so that the fan does not account for the proportion. Speaking of two-color co-extruded, it is the technology is ASA technology is always the most leading, there is no fade, and gorgeous and glossy, which is other profiles can not be compared, I used to vote in the tender angle, , Shide, Zhongda, Huaan, ... .... 10 years did appear broken material situation, has not yet been found.
Q:The development of steel profiles
From the European to the American: European-style profiles are the mainstream of the market, but the rapid development of American profiles, which is due to some exports to the United States of steel-steel production enterprises driven by the United States as a lively, beautiful, delicate structure, delicate lines, Decorative, high light rate, high perspective, etc., has won the favor of consumers.As European-style profiles in China has 20 years of history, the US profile short-term can not replace the European profile in China's position. European-style profile is concerned about the fan package box, and the American profile is a box fan. Domestic steel doors and windows are basically fan package box.
Q:How plastic embossed profiles are made
Plastic processing is a complex process, generally divided into the following main processing methods:
Q:Is not aluminum alloy better than steel?
Aluminum alloy steel has its own advantages and disadvantages, in general, aluminum alloy is better than steel, high grade. Steel is hard plastic squeeze into the cavity, then will be coupled with the steel lining, which see the strength of the manufacturers of doors and windows, and if the thickness of the steel lining is not enough, a long time will be deformed, but the price is low, because it is plastic So it is not a special heat. Aluminum alloy must be a new type of aluminum, not the kind of the oldest kind of aluminum, the new aluminum cavity and plastic steel is the same, but the material is aluminum, good age, metal is hot fast, but It is also possible to add a kind of insulation material, cold bridge (also called broken bridge), plus this material can solve the problem of insulation, but also can do both positive and negative colors , Aluminum alloy is the high price of the general high-end district are equipped with aluminum alloy.
Q:What is the steel profile?
Simply put the profile is installed into a window that can still be seen after the outer surface. Such as the large and small faces of the box. While the middle glass trough installed glass and pressed after the invisible, that is non-visible surface.
Q:Will the model of steel profiles (such as 88-type extrusion profiles, 80 extrusion profiles) is based on what to develop ah
Strictly speaking, refers to the width of the bottom of the window frame profile. 88 is that the bottom of the frame width of 88 mm. And some profiles are not absolutely accurate, take the approximate value
Q:The difference between steel and aluminum alloy profiles
Plastic windows are easy to weather, aluminum alloy will not. If you want to be insulated when you do windows with double glass
Q:PVC extrusion profiles compared to ABS, PE and other plastic profiles have any advantages?
ABS weather resistance is poor, the proportion of light, chemical resistance is poor, but if the ABS and PVC blending modified into PVC / ABS alloy pellets, you can combine the advantages of two products in one, the price is cheap, the current price 14500-17000 yuan / ton.
Q:PVC plastic profiles dip in the seam, how to deal with seamless docking
Stabilizer too much or too little stabilizer is to inhibit the degradation, or with the release of hydrogen chloride reaction and to prevent the discoloration of PVC processing. Stabilizer according to the different types of different, but the total point, the amount of excessive will delay the material of the plasticization time so that the material export mold when the plastic is not, the formula system between the molecules are not fully dissolved, Its intermolecular structure is not strong cause. And the amount of too little will result in the formulation of relatively low molecular weight degradation or decomposition (also can be said to be plasticized), the stability of the intermolecular structure of the various components of the damage. So the amount of stabilizer will also affect the impact strength of the profile, too much or too little will cause the profile strength caused by the phenomenon of brittle profile.
Q:China 's top ten brands of steel profiles in 2014
Vikavica plastic doors and windows are produced by the German company of Vicat plastics in Shanghai. In the eastern coastal provinces of China occupies a considerable market. Is one of the top ten brands of steel doors and windows in China. It is a foreign - funded enterprise. It is one of the large - scale steel - making windows and doors enterprises directly under the Ministry of Construction of the new world. Companies in China's northeast Liaoning Anshan, China's steel doors and windows is one of the top ten brands.

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