Eagleflying Plastic Composite Pipe Ltd. Company Logo Eagleflying Plastic Composite Pipe Ltd.
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PSP Steel-plastic Composite Pipe

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Eagleflying Plastic Composite Pipe Ltd.
[China]

Address
No. 5225 Daye Highway, Shanghai City, China Shanghai Shanghai
Phone
86-183-01777631
Contact name
Jacky

Quick Information

  • Brand Name: Eagleflying
  • Place of Origin: China
  • Material : PE
  • :

Description

PSP steel-plastic composite pipe

PSP steel-plastic composite pressure pipe is a PSP steel-plastic composite pipe with intelligent connection mode. It is composed of alloy steel pipe and random copolymer polypropylene (PPR) pipe. It combines the advantages of both steel pipe and plastic pipe. It has excellent physical properties of high pressure and temperature resistance, good hygiene and long service life. PSP steel-plastic composite pressure pipe is a hot-melt connection between double hot-melt pipe fittings and pipe socket. Intelligent electromagnetic welder realizes simple, fast and reliable Pre-installation and post-fusion, successfully solves the connection problem of traditional steel-plastic pipe, and is a revolutionary breakthrough in connection mode and overall quality of steel-plastic composite pressure pipe system.

Advantages of PSP Steel-Plastic Composite Pressure Pipeline System:

● Excellent mechanical properties: Cold and hot water, pressure and temperature resistance. The inner and outer layers are PPR pipes, and the middle layers are complete alloy steel pipes, which have strong and stable compressive capacity, small linear expansion coefficient and no deformations in the open;

● Good hygienic performance: The pipes and fittings are made of food grade PPR special material. They are hygienic, non-toxic and harmless. Their service life is more than 50 years. They are synchronized with the life of buildings. Their excellent environmental protection performance will not pollute the environment;

● Effective, simple and fast assembly: "Fool-like" one-key operation, subversive innovative technology, solved the problem of traditional pipeline connection. The pipe is cut by special pipe cutter, pipe and fittings socket pre-installed, electromagnetic induction heating welding, the construction process is labor-saving, labor-saving, simple and fast;

● More reliable and safe intelligent welding: Fully automatic intelligent electromagnetic heating welding greatly reduces the worker's work intensity and difficulty, and is safer. The welding quality of the joint is the safest and reliable, which avoids the uncertainty and unreliability of manual operation. Intelligent electromagnetic welder is compact and portable, and more suitable for installation and construction of pipe wells or suspension in narrow space.

● Life cycle cost performance ratio: Pipe and double hot-melt pipe fittings are perfectly matched, all-plastic encapsulation, hot-melt connection, and never leakage, which prevents the corrosion of the middle pipe layer and water channeling at the end. The inner and outer layers of pipelines have good corrosion resistance and long service life.

Application field of PSP steel-plastic composite pressure pipeline

 Industrial medium transport pipeline network: It is used in light textile, chemical industry, paper making, food and pharmaceutical industry, metallurgy, heavy industry, automobile, shipbuilding and machinery manufacturing. It has the advantages of both metal and plastic pipes. It can be rigidly installed without deformation. At the same time, polypropylene material has good chemical stability, no secondary pollution, corrosion resistance, smooth inner surface of pipes and non-viscous characteristics, which ensure the high efficiency and reliability of fluid medium transportation.

 Construction cold and hot water pipe network: Building water supply pipes, water purification pipes, heating pipes, central air conditioner pipes. It is the best choice for assembly building and modular pipeline network to be applied in all kinds of construction projects.

 Outdoor buried water supply network: Fire exterior buried pipe network, outdoor water supply pipe network,heat supply network. Applied in urban renewal construction and underground pipeline corridor, it has the comprehensive advantages of high pressure and corrosion resistance. It does not need secondary anti-corrosion, and chemical substances in soil will not have any degradation effect on pipelines.

 Water supply company's secondary water supply and thermal company's secondary heat supply network: Good hygienic performance, high mechanical strength, internal and external anti-corrosion and water hammer impact resistance, double hot-melt intelligent electromagnetic welding, never leakage, simple installation, fast and safe.

 Pipeline network for transportation of groundwater, hot spring water and seawater desalination: Corrosion resistance and aging resistance, good temperature resistance, long service life. It has the advantages of corrosion resistance of inner and outer layers of pipeline, no scaling, good chemical stability and reliable connection.

 Shielding protection sleeve for electrical and communication lines: It is used in metro, high-speed railway, highway and other fields. Metal layer can effectively shield electromagnetic signal interference..

Physical and mechanical properties of PSP steel-plastic composite pipe

Nominal diameter (mm)





Test temperature (°C)




Hydrostatic pressure (MPa)
Test time (h)
Min. blasting pressure
20
80±2












5




165





≥7.5




25
32
40
50
63
4





≥6.0






75
90
110
160
200
250

Suitable temperature corresponds to working pressure range

Norminal outer diameter (mm)
Pipe specification (mm)


Norminal pressure (MPa)
Maximum allowable working pressure (MPa)
Long-term working temperature of cold water and drinking water
Long-term working temperature of heat supply
20
dn20*en2.0
2.5




2.5




2.0




25
dn25*en2.5
32
dn32*en3.0
40
dn40*en3.5
50
dn50*en4.5
63
dn63*en5.0
2.0






2.0






1.6






75
dn75*en5.5
90
dn90*en6.0
110
dn110*en6.5
160
dn160*en7.0
200
dn200*en7.5
250
dn250*en8.5

 

Purpose
Long-term working temperature (°C)
Norminal pressure (MPa)

2
2.5
Max. allowed work pressure (MPa)
Cold water and drinking water
≤40
2
2.5
Hot water, heat supply
≤80
1.6
2
Gas
≤40
0.8
1
Special fluid
≤80
2
2.5
≤80
1.6
2
Drainage
≤65
2
2.5
Protective sleeve
-
-
-
Note: When transporting fluids that are prone to phase change in pipe, the expansion force caused by phase change should not exceed the maximum allowable working pressure or take measures to prevent phase change in pipe system.



Special fluids are consistent with the chemical resistance of the transmission medium contacted by the plastics used in the composite pipe. Instantaneous drainage temperature not exceeding 90°C.



Aging resistance

Categories of Chemicals
Quality change (mg/cm2)
10% Sodium chloride solution
±0.2
30% Nitric acid
±0.1
40% Nitric acid
±0.3
40% Sodium hydroxide solution
±0.1
95% (volume fraction) ethanol
±1.1


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