matal reinforced spirally corrugated plastic pipe

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Product Description:

Metal reinforced polyethylene(PE)spirally corrugated pipe is a new kind of double-wall spirally corrugated pipe. The HDPE is used as basic material, and the steel strap spiraled as the supporting part which is spiraled to corrugated wall structure.

Material

The stuffing material of steel reinforced HDPE pipe and fitting is PE 80 (piping class), and we use high quality low-carbon steel wire as the reinforcing part of the pipe and Q235 steel sheet for fittings.

Characteristics of PE 80(piping class) material

Characteristics

Test Standard

Unit

Result

Melt Flow Index(5Kg,190)

ASTM D 1238

G/10min

0.56

Density

ASTM D 792

G/cm3

0.954

Tensile Yield Strength

ASTM D 638

Kg/cm2

230

Tensile Fracture Strength

ASTM D 638

Kg/cm2

370

Tensile&Elongation Ratio

ASTM D 638

%

600

Brittleness Tempreature

ASTM D 746

-70

Linear Expansion Coefficient

DIN 53752

K-1

1.3x10-4

ESCR (F50)

ASTM D 1689

HR

2000

Thermal Stability

ISO 10837

min

20

Grade

ASTM D 4131(B)

PE 80

Long-term Hydro Static Strength

ISO 9080

MPa

9.33

Short-term Hydro Static Strength

ASTM D 4131

HR

165

The characteristic of steel wire and sheet

Characteristics

Test Standard

Unit

Result

Steel wire

Tensile strength

GB/T 343-1994

MPa

400-500

Tensile&Elongation Ratio

GB/T 343-1994

%

12

Steel sheet

Tensile strength

GB/T 709-1988

MPa

200

Tensile&Elongation Ratio

GB/T 709-1988

%

10


Characteristics

Because of the reasonable design and the advanced production technology, the Metal reinforced polyethylene(PE)spirally corrugated pipe possesses many advantages, such as high ring stiffness, resistance to corrosion and abrasion, light weight, convenient construction and installation etc..

It is a new kind of pollution-free plastic pipe which recommended by the Ministry of Construction. The features follows:

1 For the high elastic modulus of corrugated steel strip, the pipe possesses high ring stiffness.

Metal reinforced polyethylene(PE)spirally corrugated pipe makes use of the special corrugated steel as supporting structure. Because of steel’s high elastic modulus and pipe cross-section’s high moment of inertia, there are 4 ring stiffness classes for the pipe: SN8, SN10, SN12.5, and SN16. Its high ring stiffness breaks the limit that the highest ring stiffness of plastic pipe can only reach the SN8. It makes plastic pipe can satisfy various engineering requirements.

2 The HDPE materials is very stable is chemical reaction, the pipe can resist corrosion and abrasion, and has a long service life.

The steel is completely covered by HDPE, so only the HDPE is exposed to the liquid and the soil. HDPE is a kind of crystal Non-polar material, it is very stable and has no electric-corrosion. Pipe resists corrosion and abrasion, has a long service life.

3 Smooth inter wall, the transportation capability of the pipe is high

The inner wall surface of Metal reinforced polyethylene(PE)spirally corrugated pipe is smoother than concrete pipe. So the transportation capability of the pipe is obviously higher than that of concrete pipe under the same condition.

4 Hollow structure, light weight, convenient construction and installation

With the corrugated steel strip as supporting structure, it needs fewer raw materials than other plastic pipes. Metal reinforced polyethylene(PE)spirally corrugated pipe is light. It can be connected by many kinds of method, for example, electric melting belt; the transport and installation are convenient and simple.

5  HDPE and adhesive resin are combined with the steel strip closely in molten state.

As bond between HDPE and steel, there is a layer of adhesive resin which the steel strip’s surface coats with. To control the optimum temperature, pressure and time can ensure that HDPE and steel compound closely. It prevents the steel strip being rusty.

6 Flexible pipe, joint steady, resist to unequal settlement

Metal reinforced polyethylene(PE)spirally corrugated pipe possesses the characteristic of both rigidity and flexibility, when under pressure, the pipe and backfill soil can resist to external load and reasonable uneven settlements of soil.

Combined with the advantages of the electric-melting belt welding method and the patented technology of welding, it can ensure the welding quality be safety.


Specification

specification

minimum  mean inside diameter

mm

minimum  inner wall thicknessmm

minimum  multilayer wall thickness

mm

Maximum  thread pitchmm

300

294

2.5

4.0

55

400

392

3.0

4.5

65

500

490

3.5

5.0

75

600

588

4.0

6.0

85

700

673

4.0

6.0

110

800

785

4.5

6.5

120

900

885

5.0

7.0

135

1000

985

5.0

7.0

150

1100

1085

5.0

7.0

165

1200

1185

5.0

7.0

180

1300

1285

5.0

7.0

190

1400

1385

5.0

7.0

200

1500

1485

5.0

7.0

210

1600

1585

5.0

7.0

210

1800

1785

5.0

7.0

210

2000

1985

2200

2185


Application

The 12th China National Games Projects

The 12th National Games of the People's Republic of China was held in  Liaoning province in 2013. Liaoning was the 6th provincial level host of the games, following Beijing, Shanghai, Guangdong, Jiangsu and Shandong.

HTIDC won the bidding of drainage pipline projects of the 12th National Games in Shenyang in 2012.

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Q:What is the KPS composite pipe?
A composite tube is a combination of two or more transistors in accordance with a certain law, which is equivalent to a triode, and the compound tube is also called a Darlington tube.
Q:What about flexible composite pipes used in oilfields?
Flexible composite high pressure conveying pipe is divided into composite pipe for oil transportation, composite pipe for gas transmission, composite pipe for water conveyance and composite pipe for injecting alcohol. Different types of pipe diameter and the use of different, nominal pressure and wall thickness also exist some differences.Edit this paragraph of flexible composite high-pressure pipe research and development significance1, in order to reduce the loss caused by corrosion, oil workers constantly screening pipe material. At present in oil and gas production, transportation, water and other projects are widely used in steel pipe, steel skeleton plastic pipe, glass pipe etc.. Hydraulic oil pipe samples2, steel pipe - high strength, easy corrosion, leakage, short life, accidents occur frequently. 3, steel skeleton plastic pipe, can withstand high pressure; corrosion and exfoliation phenomenon serious, adaptation to temperature and poor air tightness. 4, glass steel pipe anticorrosion and anti scaling; poor toughness and anti collapse ability, easy damage, the use of a limited range. The length of the single pipe is limited, the connection is frequent, the sealing property of the joint is poor, the failure frequency is high, and the utility model is easy to damage and difficult to repair. 5, flexible composite high-pressure pipeline of innovative new technology products, the product has the advantages over the pipe, and are resistant to corrosion, high temperature characteristics, it will bring revolutionary change for the oil and gas industry.
Q:What's the advantage of using a steel plastic composite pipe?
Advantages of steel plastic composite pipe:1, retains the traditional metal pipe steel and strength, far better than plastic pipes, aluminum pipe;2. The utility model has the advantages of smooth inner wall, small frictional resistance and no fouling, and the outer wall is more beautiful and luxurious;3, light weight, toughness, impact resistance, high compressive strength, applicable temperature is wider, -30 DEG C to 100 DEG c;4, and the pipe can be connected by means of wire cutter, socket, flange, welding groove, etc., a variety of ways, and labor;5, and parts connected parts of thermal expansion coefficient is small, more safe and reliable;6, the price performance ratio is reasonable, the comprehensive cost is low.
Q:When will the PSP steel plastic composite pipe be of type G connection?
PSP you say is the steel plastic composite pipe and plastic coated steel plastic pipe, G type connection is clamp connection, in all PSP pipe products, only inside and outside coated pipe is G type connection!
Q:With what pipe steel plastic composite pipe thermal insulation pipes
differenceSteel plastic composite pipe generally refers to the plastic material in the inside tube, steel profiles, the main emphasis on the appearance or environmental requirements (such as static) high places, but for the strength and have certain requirements.
Q:What are the advantages and disadvantages of PE composite pipes for water supply?
1. hot melt connection pipe and pipe fittings are connected to each other by the same thermal plastic, using special equipment to connect hot melt surface heating parts, connected at the contact surface of the material of the main body of mutual fusion, after cooling the connection as a whole. The hot melt connection has butt type hot melt connection, socket type hot melt connection and electrofusion connection.2. electric melting connection by the same thermoplastic plastic pipe, insert the fused fittings made from fused, fused fittings for connecting tool power depends on the electric resistance wire melting pipe internal pre buried produce the quantity of heat required for welding, cooling pipe and electric melting pipe connected with a a whole.
Q:Plastic steel composite pipe buried pipe how to connect?
Plastic steel composite pipe connection method: thread connection, groove connection and flange welding, steel plastic composite pipe is generally threaded connection.
Q:What's the difference between aluminum alloy lined pipe and aluminium plastic composite pipe?
Aluminum plastic composite pipe is inside and outside the tube is made of plastic, the middle layer of Aluminum Alloy, before and after the appearance of different, different processes, use basically the same, but Aluminum Alloy lining plastic pipe performance is much higher than that of the latter, aluminum-plastic composite pipe technology is relatively backward, the market shrinking. At present, is going extinct, a few areas due to consumption habits, still in continue to use.
Q:There are several kinds of plastic steel composite pipe, what is the connection mode?
Steel plastic composite pipe is divided into two kinds of plastic and plastic lining, if the design is lined with plastic coated steel pipe can be used instead, but if the design is not available to replace the plastic lining plastic pipe.
Q:PSP plastic steel composite pipe and lining plastic composite pipe can be used instead?
The steel plastic composite pressure pipe is a new type of composite pipe made of metal and plastic. The welded steel pipe is used as the middle layer, the inner and outer layers are polyethylene plastics, and the special hot melt adhesive is used to form a pipe through the extrusion forming method.

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