• 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:The state of high-rise residential building doors and windows materials are not allowed to use steel profiles are expressly provided?
Plastic can not be used mainly to see its ability to withstand wind pressure can not meet the requirements, and the state did not force the request. At present, only Qinghai is limited to plastic steel, it is because the UV is relatively strong in Qinghai, steel weather resistance is not good aluminum. In fact, as early as ten years ago, steel doors and windows can be used in the tall buildings in Xiamen, indicating the use of absolutely no problem, provided that your doors and windows must be reasonable design, through the local fifty years once the wind. But also in the doors and windows production and installation process to comply with the specification.
Q:Plastic steel profiles how to open the mouth of the best illustration and the formula there are cross-port V to answer to a comprehensive ah
Plastic profiles open V mouth has a special V mouth saw, with a manual cutting machine are not allowed, angle, V port depth can not be determined.
Q:Plastic doors and windows and plastic windows do not like?
Plastic doors and windows that use U-PVC plastic profiles made of doors and windows. Plastic doors and windows with wind, water, insulation and other good features. Plastic doors and windows are made of steel and steel profiles of doors and windows, steel profiles are made of plastic and steel profiles made of mixed.
Q:How to identify the installation of plastic or plastic
Plastic steel because there are iron, so use the magnet to identify. Another: steel easy to change line, now mostly switch to color steel or better.
Q:Specification for steel profiles
That might be a titanium alloy, and now the kitchen is very popular. A lot of wardrobe are used to do that, I have not done. I have 40 steel small profile, you can use screw connection, can also be welded
Q:What belongs to plastic profiles
Plastic profile additives four: processing aids Auxiliaries are mainly developed to improve the performance of plastic molding. Plastic profile processing temperature and decomposition temperature is close, poor mobility, easy to stick in the equipment on the coking, so the production of plastic profiles need to add a certain amount of processing aids to overcome the defects of plastic profiles themselves. Plastic profile additive five: light stabilizer The light stabilizer can inhibit the photooxidation degradation reaction of the polymer by shielding and absorbing ultraviolet rays, quenching and exciting energy to capture free radicals, so as to give the products a good light stabilizing effect and prolong their service life. Plastic profile additives six: filler The filler is a solid additive that is different in composition and structure from plastic, also known as fillers. To improve the physical and mechanical properties of plastic and reduce the cost of plastic has a significant effect and economic value. Plastic profile production formula to add filler, plastic profiles can be heated after the size of the change in the rate of change, increased impact strength, increased rigidity, while also reducing production costs.
Q:What is the broken bridge of aluminum? What are the characteristics?
Broken bridge aluminum energy saving and environmental protection: broken bridge aluminum aluminum-plastic composite window at the seams are equipped with multi-channel sealing tops or ternary ethylene rubber tape, air tightness for a level, can give full play to air conditioning, and save energy 50%.
Q:Plastic steel window profile material
GB 8814-2004 according to the thickness of the main section of the profile will be divided into three categories of ABC, according to the "visible wall thickness minimum / non-visible wall thickness minimum" said, A type of wall thickness of 2.8 / 2.5mm, B Type of material requirements wall thickness 2.5 / 2.0mm, C type of wall thickness does not specify the requirements. The mainstream of the national standard profiles are Class B.
Q:Plastic doors and windows and plastic doors and windows have anything to do
American doors and windows: the main formula for the use of environmentally friendly organic tin heat stabilizer, to avoid the production, processing, use of lead salt toxicity of the drawbacks; development for the multi-cavity section, the second is to reduce the profile wall thickness, 1.80mm; while increasing the number of internal reinforced steel and the chamber, the chamber generally have 9 to 13. In addition to reducing the strength of profiles, but also improve the thermal insulation and sound insulation effect. The sliding window for the frame package fan, improved the sealing and safety performance, cancel the fan pulley, reduce the fan section at the same time, the window lighting performance has been improved. Developed a standard installation method for pulling windows and new mounting wings. In addition the market has a total of steel and plastic doors and windows, plastic and steel machinery is a combination of new materials.
Q:What is the meaning of steel profiles 80?
Ordinary steel profiles will be deformed, the color is relatively monotonous, usually white, if you want to change the color will add PVC with the film, a long time the PVC film will fade. Automotive supplies industry in the use of steel, the material requirements are relatively high, the most typical is the engine chassis protection board, has been widely used by most riders. Plastic steel is also used in the production of tapered roller bearing cage. Plastic cage has: 1, reduce the friction and roller slip, reduce the working temperature; 2, improve safety and performance; 3, fail safe mode, not stuck.

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