• 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: Will the model of steel profiles (such as 88-type extrusion profiles, 80 extrusion profiles) is based on what to develop ah
Press the bottom width. Plastic steel profiles are made of polyvinyl chloride (PVC) resin as the main raw material, plus a certain proportion of stabilizers, colorants, fillers, UV absorbers, etc., by extrusion of the profile. 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.
Q: Plastic doors and windows and plastic windows do not like?
Glass fiber reinforced plastic (FRP) doors and windows 1) abroad to alkali-free glass fiber reinforced, the product surface finish is better, no need to deal with the system can be used directly to the window. Domestic self-developed glass fiber reinforced plastic doors and windows profiles generally with alkali glass fiber reinforced, the surface of the profile after grinding, available electrostatic powder coating, surface coating and other technical processes, access to a variety of colors or texture of the decorative effect. The following are the same as the " 2) Do not use high-alkali glass fiber made of profiles. The following are the same as the " 3) FRP doors and windows profiles have a high longitudinal strength, under normal circumstances, you can not enhance the steel. But the doors and windows size is too large or high wind pressure requirements, should be based on the use of requirements to determine the enhanced approach. The transverse strength of the profile is low. Fiberglass doors and windows frame for the assembly of the turret, the joints need to use sealant seal to prevent leakage of the gap.
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 profile V-head saw is mainly used for steel-type 90-degree V-mouth cutting, the internal equipment by the two motors, two pieces of blade. Start the V saw when the two motors at the same time driving into a 90 degree saw blade, the steel profile cutting a 90 degree V port. Saw the saw speed, saw no burr, smooth surface. easy to use. The equipment is running smoothly. High precision. The depth of the V-shaped steel profile is half of the large surface height of the stitch (welding flux).
Q: Fence material outside the plastic inside is iron or steel this material called
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.
Q: How many meters of a conch plastic steel profile
Plastic specifications of a lot of steel, do not know what you want to know? But each type of material has a standard weight of rice, their own to know, for example: Conch 60 two-track sliding box weight is 1.22kg, then 1000kg divided by 1.22 = 819 meters
Q: What is the meaning of steel profiles 80?
Plastic profiles are used for the production of doors and windows with PVC profiles, as early as the late 1950s has been in Germany, China began in 1983 from the beginning of the 20th century, the late 90s began universal application. Because simply use PVC profiles processing doors and windows strength is not enough, usually in the cavity to add steel to enhance the stability of doors and windows, so the profile of the steel interior made of plastic doors and windows are often called steel doors and windows. With the extensive use of steel doors and windows, PVC profiles for the production of steel doors and windows are commonly known as steel profiles. Plastic steel profiles are made of polyvinyl chloride (PVC) resin as the main raw material, plus a certain proportion of stabilizers, colorants, fillers, UV absorbers, etc., by extrusion of the profile.
Q: What belongs to plastic profiles
Plastic Profile A: Impact modifier Plastic profiles, such as without impact modifier, plastic profiles will be very brittle, slightly collision, easy to break. Plastic profiles used in the production of anti-impact agent modifier mainly by the following three categories: chlorinated polyethylene, polyacrylates, ethylene - vinyl acetate copolymer. Plastic profile additive two: heat stabilizer Plastic profile is a thermosensitive plastic, so in the production and processing of plastic profiles, heat stabilizer is essential. The metal salt in the heat stabilizer absorbs the HCL from the PVC, so it can delay the decomposition rate of the plastic and prolong the decomposition time. The most commonly used in the production of plastic profiles is the compound lead salt, which has high thermal stability and low cost. Plastic profile additives three: lubricant The main role of the lubricant is to reduce the polymer and processing equipment and polymer molecules between the internal friction between the friction caused by excessive heat caused by resin degradation, improve the efficiency of heat stabilizer.
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: How to identify the installation of plastic or plastic
Through the cutting, welding, etc. made of doors and windows of the frame fan, equipped with sealing tape, tops, hardware and other accessories made of doors and windows, in order to enhance the rigidity of the profile, more than a certain length of the cavity need to add reinforced steel (steel Lining), this kind of doors and windows called plastic doors and windows.
Q: What is the amount of plastic profiles
For the sliding window, the commonly used fan frame of the European profile, for example, the amount of lap by the window frame ribs, window groove groove and pulley size decision. Usually the ribs, the same size (also has a rib size larger than the groove size), 20 ~ 22mm. Fan groove size minus the pulley height, that is, fan and the next frame of the lap, pulley height is generally 12mm, The amount of lap is 8 ~ 10mm. Industry standard requirements between the frame fan lap uniform, then the fan and the box on the amount of overlap is 8 ~ 10mm.

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