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Brand Name: Eagleflying
Compressive strength: 1.25-2.0Mpa
Color: Black or according to customer requirement
Keywords: Hole-mesh steel-strip polyethylene composite pipe for water supply
Grade: CJ/T181-2003
Place of Origin: China (Mainland)

Specifications

Holemesh steelstrip polyethylene composite pipe for water supply
Pressure Pipeline Series/Hole-mesh steel-strip PE composite pipe
Hole-mesh steel-strip polyethylene composite pipe

the Hole-mesh steel-strip polyethylene composite pipe is a composite pipe with cold-rolled steel-strip welded hole-mesh pipe as reinforcing framework and composite thermoplastics. The compressive strength of the pipe is significantly improved by introducing reinforcing framework. Different kinds and brands of thermoplastics can be used to produce composite pipes for different purposes. The holes steel belt plastic pipes produced by our company can be divided into water supply, buried gas, hot water, chemical and special uses according to their uses.

Product features:

High compressive strength and creep resistance;

Good ring stiffness and impact resistance;

Low linear expansion coefficient and thermal conductivity;

Good corrosion resistance and wear resistance;

Light weight, convenient transportation and construction;

Good hygiene;

the inner wall is smooth and scale-free, and the head loss is 30% lower than that of steel pipe.

Product structure:

Hole mesh strip plastic composite pipe is a new type of composite pressure pipe, which is made of cold rolled steel strip and thermoplastic polyethylene plastic, reinforced by argon arc butt welding or plasma helical forming porous thin-walled steel pipe, and double-sided composite thermoplastic with outer and inner layers. The perforated mesh steel strip polyethylene composite pipe for water supply adopts the industry standard CJ/T181-2003 "perforated mesh steel strip polyethylene composite pipe for water supply". The pipe fittings are implemented in GB/T13663.2-2005 "Water supply polyethylene (PE) pipe system Part 2: pipe fittings".

Application range

Chemical industry: manufacturing industry of acid, alkali and salt, petroleum industry, chemical fertilizer, pesticide, pharmaceutical, chemical, mining, rubber and plastics industries to transport corrosive gases, liquids, solid powder process pipes and discharge pipes;

Oil and gas fields: oil-bearing sewage, gas field sewage, oil-gas mixture, gathering and transportation pipelines for polymer solution injection in oil wells, secondary and tertiary oil recovery and gathering and transportation process pipelines;

Mines: slurry, tailings, ventilation pipes and engineering pipes;

Textile, dyeing and paper industry: process piping and discharge piping for conveying corrosive media;

Chemical industry: Silicon powder, salt slurry, potassium mixed salt, etc.

Municipal works: urban building water supply and drainage, drinking water, heat network backwater, natural gas, gas pipeline;

Nonferrous metals: conveying corrosive medium in non-ferrous metal smelting;

Agriculture: deep well pipes, filter pipes, underground canal pipes, drainage pipes, ballast pipes, ventilation pipes, etc.

Shipbuilding: sewage pipes, drainage pipes, ballast pipes, ventilation pipes, etc.

Seawater transportation: seawater desalination plant, coastal power plant, seawater transportation in seaport city, submarine pipeline and optical cable (cable) conduit, etc.

Thermoelectric engineering: process water backwater transportation and waste slag transportation

Expressway: buried drainage pipe, cable conduit

Product specification

Nominal outside diameter (mm)
Thickness (mm)
Nominal pressure (MPa)
Approx. Weight (kg/m)
Length (m)
Water supply
Gas
50
4.0
2.0
1.0
>1.4
6, 9, 12
63
4.5
2.0
1.0
>2.0
6, 9, 12
75
5.0
2.0
1.0
>2.5
6, 9, 12
90
5.5
2.0
1.0
>3.5
6, 9, 12
110
6.0
2.0
1.0
>4.6
6, 9, 12
140
8.0
1.6
1.0
>7.1
6, 9, 12
160
10.0
1.6
1.0
>8.7
6, 9, 12
200
11.0
1.6
1.0
>11.7
6, 9, 12
225
11.5
1.6
1.0
>16.5
6, 9, 12
250
12.0
1.6
0.8
>20.5
6, 9, 12
280
12.5
1.6
0.8
>23.9
6, 9, 12
315
13.0
1.25
0.8
>26.6
6, 9, 12
355
14.0
1.25
0.8
>32.6
6, 9, 12
400
15.0
1.25
0.8
>39.3
6, 9, 12
450
16.0
1.25
0.8
>45.7
6, 9, 12
500
18.0
1.25
0.8
>52.8
6, 9, 12

Correction coefficient of hole-mesh steel-strip polyethylene composite pipe norminal pressure

Temperature t/℃
-40
20
30
40
50
60
70
Correction factor
1
0.95
0.90
0.86
0.81
0.76
0.71

Bending degree of hole-mesh steel-strip polyethylene composite pipe

Temperature t/℃
50
63
75
90
110
140
160
200
250
315
400
Correction factor
≤1.5
≤1.0
≤0.8
Note: Bending degree means the same direction bending, but S bending is not allowed.

Physical Mechanisms Performance Requirements

Water supply pipeline system

No.
Technical performance item
Performance requirement
1
Ring stiffness (KN/m2)
>8
2
Flat test
No rupture
3
Longitudinal shrinkage (one hour in 110℃)
<0.3%
4
Hydraulic test
Temperature: 20℃, time: 1h, pressure: norminal pressure2
No rupture
Temperature: 80℃, time: 165h, pressure: norminal pressure20.71
5
Blasting pressure test
Temperature: 20℃, blasting pressure≥Nominal pressure3
Not less than 3 times of normal pressure
6
Oxidation induction time (200℃), min.
≥20
7
Weatherability (after pipe accepts aging energy accumulatively ≥3.5J/m2)
Hydraulic test, test condition is the same with Item 4 in the table
No rupture
Blasting pressure test, test condition is the same with Item 4 in the table
No rupture
Oxidation induction time (200℃), min.
≥10

Gas supply pipeline system

No.
Technical performance item
Performance requirement
1
Ring stiffness (KN/m2)
>8
2
Longitudinal shrinkage (one hour in 110℃)
No rupture
3
Hydraulic test
Temperature: 20℃, time: 1h, pressure: norminal pressure2
No rupture
Temperature: 70℃, time: 165h, pressure: norminal pressure20.76
4
Blasting pressure test
Temperature: 20℃, blasting pressure≥Nominal pressure4
No rupture, No leakage
5
Thermal stability (200℃), min.
>20
6
Fast crack propagation resistance ( 80℃, 4.0MPa)/h
>1000
7
Weatherability (after pipe accepts aging energy accumulatively ≥3.5J/m2)
Satisfy the requirement of Item 2, 3, 4 in the table, keep good welding performance