- Overview
- Product Parameters
- Product Description
- Applications
- Company Profile
- Certifications
- Our Service
- Why Choose Us
- FAQ
Basic Info.
Product Description
| GB/T19742.1-2004 | ||||
| Specification dn/ID mm | Inside Diameter | Outside Diameter | Depth of Bellmouth | Inside Diameter of Bellmouth |
| 225 | 225 | 260 | 152 | 264 |
| 300 | 300 | 348 | 190 | 351 |
| 400 | 400 | 480 | 255 | 473 |
| 500 | 500 | 605 | 240 | 575 |
| 600 | 600 | 725 | 250 | 691 |
| 800 | 800 | 970 | 260 | 963 |
| Commodity | HDPE double-wall corrugated pipe |
| Brand Name | HAILI |
| Material | HDPE |
| Ring Stiffness | SN4; SN8 |
| Size (dn) | 225,300;400;500,600,800 |
| Length | 6m 9m 12m or as the buyer's require |
| Thickness | 2.0mm-36.8mm |
| Joint Method | Elastic sealing ring type |
| Color | Blue with black or black or as the customer's order |
| Loading Port | Qingdao or as the customer required |
| Lifespan | Over the 50 years with the normal working pressure |
| Certification | ISO9001/ISO14001/ohsas18001/ce |
| Standard | GB/t19472.1-2004 |
| Package | Nude packing & seaworthy |
| Payment Terms | T/T/L/C |
| OEM Availability | YES |
Double-wall corrugated pipes are a type of plastic pipe commonly used in various applications due to their unique design and structural advantages. These pipes are made up of two layers: an outer corrugated layer and a smooth inner layer. The two layers are connected by ribs, which provide additional strength and rigidity to the pipe.
Double-wall corrugated pipes find a wide range of applications in various industries and infrastructure projects
due to their structural advantages and durability. Some of the common applications of double-wall corrugated pipes include:
1. Stormwater Drainage
2. Sewage and Wastewater Systems
3. Culverts and Under-Road Drainage
4. Agricultural Drainage
5. Cable Protection
6. Industrial Applications
7. Landfills and Waste Management
8. Road Infrastructure
9. Bridge Abutments
10. Recreation and Sports Facilities
11. Residential and Commercial Drainage
12. Railway and Airport Infrastructure
Haili's production line includes PE water pipes, PE gas pipes, PE mine pipes, PE sprinkler/irrigation pipes, MPP electrical conduit pipes, PVC-U water supply pipes, PE steel-reinforced drainage pipes, glass fiber-reinforced SMC molded plastic inspection chamber and domestic septic tank. These products are widely used in rainwater collection, sewage discharge, water supply&reuse, natural gas transportation, and industrial fluid transportation. The Haili Pipe brand has emerged as a leader in the Chinese pipe industry.
1. We can accept OEM service.we can print your brand logo and do your package
2. Samples can be offered by the tnt dhl ems or other channels.
3. The tracking numbers will be offered after shipping.
4. For all your inquiries about us or our products, we will reply to you in detail within 24 hours
5. We own well-trained and professional after-sale services who can speak fluent English language
Q: What is your MOQ?
A: As customer's request.
Q: Why choose us?
A: We are a professional leader in HDPE pipe factories, we offer pipeline system one-stop services with competitive prices and fast delivery times.
Q: How to buy the product?
A: Contact us by email or by Trade Manager, and inform us which product and quantity you need, we will contact you immediately. The more specify the information that you provided more faster and easier you will get the quotation.
Q: Can I make my own design and logo for the product?
A: Yes, we do OEM. Welcome partner from globally, we can make your product in China.
Q: How can I get some samples?
A: We are honored to offer you free samples, just need to pay the freight cost.
Q: What's the payment term?
A: TT/LC