Introduction to HDPE Double Wall Corrugated Pipe:
HDPE double wall corrugated pipes (double-layer twisted pipes) are one mould profile two layer extrudings. Applies to rain water drainage, sewage drainage in residential district, or pollutant and exhaust gas discharge as well as sewage drainage for mine industry, or organic pollutants drainage from people's life, agricultural drainage, low pressure irrigation and coalmine ventilation.
HDPE double wall corrugated pipe
| Inner Diameter(mm) | Outer Diameter(mm) | Weight(kg/Meter) | Length(Meters/piece) | |
| SN4 | SN8 | 6 | |||
| 200 | 230 | 2.5 | 3.0 | 6 | |
| 300 | 350 | 4.5 | 6.5 | 6 | |
| 400 | 460 | 7 | 11 | 6 | |
| 500 | 570 | 10.5 | 15 | 6 | |
| 600 | 680 | 17 | 21 | 6 | |
| 700 | 790 | 21 | 25 | 6 | |
| 800 | 900 | 29 | 32 | 6 | |
Physical Properties of HDPE Double Wall Corrugated Pipe:
Item | Data |
Ring stiffness S1, S2 | ≥4.0KN/m², ≥8.0KN/m² |
Impact strength | TIR ≤10% |
Flexiblity | Smooth, no reverse bend and crature |
Inside Heating Box Test | No multi-layer and crature. |
Moving Rate | ≤4 |
Applications:
(1) roof drainage
(2) sports grounds, golf courses, airports, parks and other green waste and drainage
(3) the rear retaining wall drainage (vertical, horizontal drainage)
(4) agriculture, horticulture and underground irrigation and drainage systems
(5) slopes, embankment slope drainage, etc.
(6) tunnels, underpasses drainage
(7) highway, railway roadbed and shoulder drainage
(8) soft ground horizontal drainage
Frequently asked questions
Q:What material of pipe are you specialized in?
A: We manufacture HDPE corrugated pipe, HDPE, PPR, PB, PE-RT, PEX Aluminum composite pipes and fittings.
Q: Do you produce PVC pipes and fittings?
A: Sorry, dear friend. We are more professional PE and PPR pipe and fittings, which are more suitable for drinking water as they are more hygienic than PVC material.
Q: Please tell me your largest outer diameter for pipes.
A: We can produce 1600mm diameter (PE pipe) as the largest size.
Q: The price of your products is higher than others.
A: We can't promise you the best price, but we can promise you the best quality. We import raw material from famous companies such as Borstar, LG Chemical, Chervrom, Hyosung, Lydellbasell, Sinopec.
Q: For pipe fittings, what do you do mainly?
A: For fittings, coupling (socket), elbows, tee, reducer, union, valve, cap and copper insert fittings are our main products.
Q:Where is your factory located in?
A: Our factory located in Tianjin City, the second largest port in China, which is only one hour away from Beijing airport.
Q: Can you provide us some samples for testing?
A: Of course, my friend. For small amount of samples, we can provide you for free.
Q: How is our customer service?
A: all our sales representatives can speak fluent English. They will answer all of your questions in 24 hours.