A Steel wire wrapped skeleton reinforced polyethylene composite pipe(DN50-630mm)
B Flexible composite high-pressure conveying pipe(DN50-150mm)
|Steel wire wrapped skeleton reinforced polyethylene composite pipe: Polyethylene resin (polyethylene HDPE, heat-resistant polyethylene PE-RT, etc.) is used as the base material, the steel mesh skeleton is the reinforcement, and the extruded steel skeleton reinforced polyethylene composite pipe is used.(Steel wire wrapped skeleton reinforced polyethylene composite pipe)
|Flexible composite high-pressure conveying pipe: It uses polyethylene resin (polyethylene HDPE, heat-resistant polyethylene PE-RT, cross-linked polyethylene, polyvinylidene fluoride) as the base material, and polyester, aramid, steel wire rope, ultra-high molecular weight polyethylene filament, etc. as reinforcements. Extruded flexible composite high-pressure conveying pipe.
Implementation standards of composite pipe:
The standards implemented are the oil and gas industry standards of the People’s Republic of China: SY/T 6662.1-2012 Non-metallic composite pipes for the oil and gas industry Part 1: Steel skeleton reinforced polyethylene composite pipes(Steel mesh skeleton reinforced polyethylene composite pipe) SY/T 6662.2-2020 Non-metallic composite pipes for the oil and gas industry Part 2: Flexible composite high-pressure conveying pipes
It is mainly composed of three layers: the inner thermoplastic pipe is made of thermoplastics such as HDPE, PERT, PA, and PVDF. The middle layer is a reinforced material layer wound at a specific angle. The materials include aramid fiber, polyester fiber, glass fiber, etc. The outer layer is a protective layer, usually HDPE with anti-aging and anti-UV added.
Composite hose mark and meaning
Basic terms and definitions of composite pipes:
Nominal pressure: The maximum working pressure of composite pipes and fittings when transporting media at 20°C. The unit is megapascal (Mpa).
Average outer diameter: Use the circumference method to measure the value of the circumference of the outer wall of the composite pipe divided by 3.142 (pi). The result is rounded to 0.1mm. If the second digit after the decimal point is greater than zero, it is rounded up to one digit. The unit is millimeters (mm).
Nominal outer diameter: The number identifying the size represents the outer diameter of the composite pipe. Use an integer and the unit is millimeters (mm). Polyethylene compounding ingredients: Pellets made from polyethylene base resin with necessary antioxidants, UV stabilizers and pigments.
The characteristics and advantages of composite pipes
(3)Heat resistant and preservation
(4)Strong conveying capacity
(8)High cost performance
(9)Good hygienic performance
The product has good flexibility and impact resistance, and is especially suitable for installation in mountainous and rocky areas. Excellent corrosion resistance, service life of more than 20 years, resistant to corrosion by H2S, CO2, chloride, etc., eliminating pipeline perforation caused by corrosion High pressure resistance, normal operating pressure reaches 25MPa, burst pressure reaches over 75MPa There are fewer joints, large-diameter pipes are supplied in coils of 150 meters to 200 meters, and small-diameter pipes are supplied in coils with a continuous length of more than 1 kilometer. The product has strong design and high cost performance. The pipeline structure can be selected and designed according to parameters such as the transmission medium, operating temperature, and pressure level. The maximum operating temperature can reach 95°C. It is light in weight, high in strength, and quick to install. It can be installed by 3-5 people per day. More than 5KM, unparalleled flexibility in corners and rough terrain applications