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  4. Steel belt reinforced polyethylene (PE) ...

Steel belt reinforced polyethylene (PE) spiral corrugated pipe for underground drainage

Steel belt reinforced polyethylene (PE) spiral corrugated pipe for underground drainage:

Steel belt reinforced polyethylene (PE) spiral corrugated pipe for underground drainage uses polyethylene as the outer base material, the surface is coated with high-performance bonding resin, and the steel belt wave body bent and formed is the main support structure. The spiral corrugated pipe is integrated by winding and extruding. The product combines the advantages of high rigidity, high strength of steel and corrosion resistance, wear resistance and flexibility of plastics, which not only can make the pipe reach SN8, SN12.5, SN16 three ring stiffness, but also solve the steel Corrosion problems make up for the large diameter full plastic pipe buried drainage pipe ring ...

Product Details

1. Product introduction
Steel belt reinforced polyethylene (PE) spiral corrugated pipe for underground drainage uses polyethylene as the outer base material, the surface is coated with high-performance bonding resin, and the steel belt wave body bent and formed is the main support structure. The spiral corrugated pipe is integrated by winding and extruding. The product combines the advantages of high rigidity, high strength of steel and corrosion resistance, wear resistance and flexibility of plastics, which not only can make the pipe reach SN8, SN12.5, SN16 three ring stiffness, but also solve the steel The corrosion problem makes up for the weakness of the larger diameter all-plastic pipe buried drain pipe ring stiffness reaching SN8.
It is connected by hot melt extrusion welding, heat shrinkable tape, electric fusion tape, etc. to meet the needs of various projects and working conditions, and it satisfies the requirements of tightness and convenient connection.
2. Scope of application
This product has a variety of connection methods, can meet the needs of various projects, better meet the reliable sealing and convenient connection.
  Claim. While achieving high performance, another outstanding feature is the saving of raw materials. Compared with the same diameter and the same ring rigidity, all plastic buried drainage pipes can significantly reduce costs; at the same time, compared with traditional drainage pipes, it has reliable sealing and use. Long life, flexible and earthquake resistant, light weight, convenient and fast construction, it is a new type of chemical building material with broad promotion prospects. It is suitable for drainage pipes such as rainwater, sewage, and wastewater discharge systems with medium long-term temperature not greater than 45 ℃.
● Municipal engineering rainwater and sewage discharge.
● Industrial wastewater discharge, community drainage workers.
● Salt industry brine transportation, fishery water transportation.
● Mine ventilation and drainage works.
● Agriculture and forestry irrigation and drainage, highway drainage.
3. Product characteristics
★ Pressure and impact resistance:
The pipe is reinforced with steel belt, the ring stiffness can reach more than 16KN / m2. It has good strength, impact resistance and good adaptability to any foundation.
★ Chemical resistance:
Has the same anti-corrosion ability as plastics, will not be corroded by sewage, wastewater and chemicals, will not be corroded by decaying substances in the soil, nor will it be destroyed by plant roots.
★ Aging resistance:
The pipes are generally black, and can withstand direct sunlight during stacking and construction; the service life is up to 50 years.
★ Excellent wear resistance:
Is more resistant to wear than steel pipes, cast iron pipes, and cement pipes; and it overcomes the rapid stress cracking of plastic pipes.
★ Excellent drainage circulation:
The inner wall of the pipe has low flow resistance, fast drainage speed, strong water passing capacity and large flow rate.
★ Excellent structure:
The reinforced skeleton of the pipe and the inner and outer layers of plastic are mutually contained to form a whole, and there is no worry about the separation of the inner and outer layers of plastic and the reinforcement.
★ Light weight and easy installation:
Pipe connection uses electrothermal fusion joints, which has strong resistance to axial stretching, mature and reliable connection technology, and variety of pipe fittings.
Fourth, the production process of pipe
1. The production process of the pipe The main production process of the pipe is: first wrap a solid wall PE inner layer tube on the host, and then place the steel plate reinforcement folded into an inverted "U" shape on the solid wall PE inner layer tube At the design position, a PE outer layer with the same waveform as the steel belt reinforcement is extruded and compounded on the outside, and the finished pipe can be obtained after shaping, shaping, cooling and cutting.
The main requirements of the production process are: in a short period of time, when the inner layer and the outer layer are in a molten state, under a certain pressure, the inner layer tube, the steel strip reinforcement, and the outer layer PE complete the compound to ensure that each layer is compounded A monolithic tube wall.
The two main processes of coating and extrusion winding for pipe production are as follows:
(1). Steel strip coating process
Steel strip coating process is as follows:
In the steel strip coating process, the focus is on controlling the temperature of the heating and incubator, so that the bonding resin can be well coated on the surface of the steel strip to ensure the bonding strength; another important point is to control the extrusion speed and traction speed of the extruder, Ensure stable coating thickness.
(2). Extrusion winding production process
The process of extrusion winding is as follows:
The extrusion winding process focuses on controlling the inner and outer winding thickness, the speed of the steel belt, and the heating temperature of the steel belt; the composite of the steel belt must ensure the temperature and pressure of the composite process to ensure the stable quality of the pipe.
Fifth, the connection of the pipeline
One of the advantages of plastic pipes is that the system has a particularly high sealing performance when transporting fluids, and the key to its sealing performance is the sealing reliability of the pipe connection parts. The historical experience of pipeline application proves that the key to the success of the promotion and application of the new pipeline is to see whether there is a connection technology that is consistent with the performance and service life of the pipe. The connection method specified in this standard is a typical connection method for practical applications. The connection methods that have been widely used in engineering are: hot melt extrusion welding connection, heat shrinkable tube (belt) connection, clamp (huff sleeve) connection, electric fusion tape connection, socket type electric fusion or sealing ring connection Etc., these connection methods have more mature connection structure and connection product and construction technology, and two (or three) connection methods can be used in combination when needed.

The number of corrugated pipes loaded by Tangshan HDPE double-wall corrugated pipe manufacturers is as follows:
Caliber Length
200 6m / root
300 6m / root
400 6m / root
5006 m / root 204060
600 6m / root
700 6 meters per root
800 6 meters / root

Explanation of related terms in this article
Steel strip steel is easy to rust in air and water, and the corrosion rate of zinc in the atmosphere is only 1/15 of the corrosion rate of steel in the atmosphere. Galvanized steel plate is to protect the steel plate from corrosion by a dense galvanized layer. Steel belt (steel-belt) refers to the conveyor belt made of carbon steel used as the traction and carrying member of the belt conveyor, and can also be used to bundle goods; A narrow and long steel plate produced for the needs of mechanical products. The steel belt is also called steel belt, and its width is within 1300mm, and the length is slightly different according to the size of each roll. Strip steel is generally supplied in coils, which has the advantages of high dimensional accuracy, good surface quality, easy processing, and material saving. Steel strips are divided into ordinary steel strips and high-quality steel strips according to the materials used; there are two types of hot-rolled steel strips and cold-rolled steel strips according to the processing method.
corrugated pipe English name: corrugated pipe. Types of corrugated pipe: corrugated pipe mainly include metal corrugated pipe, corrugated pipe expansion joints, corrugated pipe heat exchange tubes, diaphragm capsules and metal hoses. The metal corrugated pipe is mainly used to compensate the thermal deformation of the pipeline, shock absorption, absorption of settlement deformation of the pipeline, etc. It is widely used in petrochemical, instrumentation, aerospace, chemical, electric power, cement, metallurgy and other industries. Plastic and other corrugated pipes play an irreplaceable role in the fields of media transmission, power threading, machine tools, and home appliances. corrugated pipe: A kind of pressure measuring elastic element in pressure measuring instruments. It is a cylindrical thin-walled wrinkled shell with multiple transverse corrugations. The corrugated pipe have elasticity and can produce displacement under the action of pressure, axial force, lateral force or bending moment. corrugated pipe are widely used in instruments and meters, the main purpose is to be used as a measuring element of pressure measuring instruments to convert pressure into displacement or force. corrugated pipe have thinner walls and higher sensitivity, and the measuring range is from tens of MPa to tens of MPa. In addition, the corrugated pipe can also be used as a sealing isolation element to separate the two media or prevent harmful fluids from entering the measurement part of the device. It can also be used as a compensation element, using its volume variability to compensate for the temperature error of the instrument. It is sometimes used as an elastic joint for two parts. Corrugated pipes can be divided into metal corrugated pipe and non-metallic corrugated pipe according to the constituent materials; they can be divided into single layer and multilayer according to the structure. Single-layer corrugated pipe (see picture) are used in many applications. Multi-layer corrugated pipe have high strength, good durability and low stress, and are used in important measurements. The materials of corrugated pipe are generally bronze, brass, stainless steel, Monel and Inconel.
Pipes Pipes are necessary materials for home decoration. Commonly used water supply pipes, drainage pipes, gas pipes, heating pipes, wire conduits, rain pipes, etc. With the development of science and technology, the pipes used for home decoration have also experienced the development of ordinary cast iron pipes → cement pipes → (reinforced concrete pipes, asbestos cement pipes) → ductile iron pipes, galvanized steel pipes → plastic pipes and aluminum-plastic composite pipes . (1) Water supply pipes: there are galvanized steel pipes, copper pipes, aluminum-plastic composite pipes, ABS plastic pipes, polyethylene pipes, polypropylene pipes, etc. (2) Drainage pipes: steel pipes, cast iron pipes, socket-type prestressed reinforced concrete pipes and socket-type self-stressed reinforced concrete pipes, GPR polyester resin pipes, HOBAS centrifugally cast glass fiber reinforced polyester resin pipes, polyethylene pipes , PVC plastic pipes, etc. (3) Heating and gas pipes: galvanized steel pipes, CPVC plastic pipes, ABS plastic pipes, polyethylene pipes, etc. (4) Wire sleeve: there are magnetic tube, aluminum-plastic composite tube, etc. (5) Rainwater pipe: there are iron pipe, cast iron pipe, aluminum-plastic composite pipe, PE plastic pipe, etc.

If you want to know more about it please do not hesitate to contact me. Edison:+86-15966835076.



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