HDPE double-wall corrugated pipe is made of elevated density polyethylene and extrusion corrugated outer wall and a smooth inner weld extrusion molding. It has excellent corrosion resistance, great insulation, strong low temperature resistance, excellent sealing performance, no leakage etc, light weight, not easy to damage, easy installation, is one of the concrete pipe, cast iron pipe for supplies. Below and HDPE pipe manufacturers together to understand the next.
Product features
1. Strong resistance to external pressure
The outer wall is a ring corrugated structure, which considerably enhances the ring stiffness of the pipe, thus enhancing the resistance of the pipe to the soil load. This performance has obvious advantages compared with different pipes.
2. Low project cost
Under equal load conditions, HDPE double-wall corrugated pipe only needs a thinner wall to meet the requirements, compared with the steel pipe to save 40-60%; compared with cement pipe, the comprehensive cost is essentially the same; compared with similar HDPE hollow wound tube can also save 20-40%.
3. Convenient construction
Light weight, tube weight is only 0.94 ~ 0.96g/cm, large length (minus joints) handling and connection are more convenient; low requirements for trench and foundation, convenient connection and quick construction; this advantage of double-walled bellows buried drains is more obvious in crowded urban areas and in geologically harsh areas (such as elevated water level and soft foundation).
4. Slight friction coefficient, large flow
The inner wall is smooth, the roughness K value is not more than 0.01mm, and the molecular surface of HDPE material is not positive or negative charge, and the charged impurities in the water will not be attached to the tube wall to form scale, so the flow rate is extremely large. With excellent sealing performance, no leakage, can effectively control the pollution of groundwater resources.
5. Excellent low temperature resistance and impact resistance
The normal operating temperature of HDPE double-wall bellows is between -40 degrees and 60 degrees, and it can work naturally in the cold of -30 degrees. At present, the HDPE pipe is a rare frozen uncracked pipe. The impact strength of HDPE is a fine kind of plastic pipe (PE, PVC, PP, ABS, PB, etc.).
6. Stable chemical properties
Its chemical molecules have no polarity and excellent chemical stability. Except for a few strong oxidants, most chemical media have no destructive effect on it. No bacteria, no scale, its circulation area will not decrease with the increase of running time.
7. Superior physical performance
It has excellent deflection, excellent KD value of dynamic fracture toughness, excellent seismic resistance and can comply with uneven settlement of foundation. It is one of the pipeline materials with excellent seismic performance at present.
8. Long service life
The working temperature is typically between 12-28 degrees, and the service life can be guaranteed in more than 50 years under normal circumstances. Polyethylene raw materials only contain carbon, hydrogen two elements, harmless to the environment, environmental health!
Application field
1, municipal engineering rainwater, sewage discharge, residential district drainage engineering
2. Drainage and transportation of industrial drainage, sewage treatment plants and garbage disposal sites
3, irrigation water, drainage
4, chemical ventilation and chemical industry, mine fluid transport
5. Bushing of low-voltage cables and communication cables