Double Wall HDPE Bellows for Stormwater Drainage Ventilation

• Application: Cable Protection, Chemical Transport, Drainage System, HVAC System, Irrigation System, Water Supply, Municipal Water Supply/Aquaculture/Reclaim
• Certification: CE
• Color: Black, Blue
• Diameter: 100mm-1200mm
• Length: Custom Length
• Material: PE
• Model NO.: DH-HDPE-sbbw
• Nominal Diameter (DN): 100mm-1200mm
• Pipe Length: 6m,12m or as Your Requirement
• Density: 1350 -1550
• Usage: Drainpipe, Water Supply Pipe, Agricultural Irrigat
• Transport Package: Standard Package
• Specification: 6m, 12m or Upon your request
• Trademark: DHPI
• Origin: Shandong, China
• HS Code: 3917390000
• Production Capacity: 500000 Kilometers /Year

Product Description

Product Description

 

Double-wall corrugated pipe is a new type of lightweight pipe made of high-density polyethylene. It has the characteristics of light weight, high pressure resistance, good toughness, fast construction and long service life. Its intentional wall structure design and other structures. Compared with pipes, the cost is greatly reduced. And because the connection is convenient and reliable, it is widely used at home and abroad. A large number of alternative concrete pipes and cast iron pipes.

 

 

 

 

Norminal  Inner Diameter (DN/IN)	Min.Average Inner Diameter	Min. Wall  Thickness of the Inside Layer	Min. Wall Thickness of the Inside Layer under a Hollow Section	Min. Wall Thickness of the Outside Layer under a Hollow Section	Min.Length of Engagement of Socket
100	95	1.0	0.8	0.7	32
125	120	1.2	1.0	0.8	38
150	145	1.3	1.0	0.8	43
200	195	1.5	1.1	0.9	54
225	220	1.7	1.4	0.9	55
250	245	1.8	1.5	1.0	59
300	294	2.0	1.7	1.0	64
400	392	2.0	1.7	1.0	64
500	490	3.0	3.0	1.8	85
600	588	3.5	3.5	2.7	118
1000	985	5.0	5.0	3.0	140
1200	1185	5.0	5.0	3.0	162

 

 

 

 

 

 

 

Company Profile

Shandong Donghong Pipe Industry Co., Ltd. (Donghong Co., Ltd., stock code: 603856) is located in Qufu, China, the celebrated hometown of Confucius. Renowned as a leading engineering pipeline manufacturer and service provider, our expertise spans four distinct categories of highly specialized and bespoke pipelines: custom pipelines for rainwater and sewage management, municipal-specific pipelines, industrial and mining pipelines, and critical pipelines for national key engineering projects. Donghong Co., Ltd. has strategically developed an integrated industrial ecosystem, collaborating seamlessly with design institutes, financial institutions, port logistics, construction units, and an extensive network of upstream and downstream enterprises. Our steadfast mission is to become a global trailblazer in comprehensive pipeline solutions, transforming lives with intelligent pipelines and ensuring the highest standards of safety in pipeline transportation.

On November 6, 2017, Donghong Pipe Industry made a historic entrance onto the Shanghai Stock Exchange, marking a significant milestone as the first company in the plastic pipe industry to be publicly listed on the main board!

 

Donghong Pipe Industry Testing Center has proudly attained national accreditation, being recognized as a CNAS testing center by the National Standards and Accreditation Committee.

 

Our cutting-edge factory features a large storage bin and a fully automated centralized system for mixing, blending, and transferring materials. This advanced technology ensures closed management of raw materials from production to extruder entry, effectively preventing secondary contamination and ensuring unparalleled product quality.

 

Packaging & Shipping

 

Donghong has forged elite partnerships with over 5 top-tier 5A-level logistics companies, boasting years of unparalleled transportation expertise. Leveraging a diverse array of logistics options, including automobile, railway, and maritime shipping, we ensure seamless deliveries regardless of extreme weather conditions or remote locations. Our robust and comprehensive transportation strategy guarantees that every shipment reaches the customer's site with unmatched speed and reliability, providing you with unparalleled service excellence.

 

 

Certifications

After Sales Service

 

Donghong is dedicated to elevating service excellence, meticulously refining every aspect to establish our unparalleled 9S Full Worry-Free Service. This comprehensive support system ensures that customers worldwide can enjoy the seamless and secure use of Donghong products with absolute peace of mind.

 

Full technical support from an expert team

Answers to product technical questions

Construction and installation guidance, material budget

 

FAQ

 

1. Does your product meet international standards?
Our products proudly surpass international quality benchmarks, having secured CE, BV, ISO, and WARS certifications. Each metric surpasses the standard requirements. Kindly inform us of any specific national standards you need, and we will ensure our products are tested and verified accordingly.

2. What services do you offer?
As a comprehensive manufacturing factory, we offer a wide array of services including pipe products, fittings, packaging, and shipping. In our role as a professional consultancy, we specialize in project consulting, pipe system solutions, and design recommendations. Additionally, as an engineering-focused enterprise, we extend pipeline contractor services, pipe repair services, and provide free maintenance guidance to cater to your every need.

3. Do you support OEM/ODM services?
Absolutely, we offer extensive OEM/ODM services encompassing material selection, specifications, logos, packaging, and connection methods. Our expert team is dedicated to delivering bespoke solutions tailored to your unique project requirements, backed by a proven track record of success.

4. What are your terms of payment?
We accept payments via T/T or L/C at sight, ensuring a smooth transaction process.

5. How do you guarantee the quality of your goods?
We invite all customers to visit our facilities and personally inspect our products. Additionally, we offer rigorous product testing based on customer requirements before any order placement. For added assurance, we can dispatch samples prior to bulk production for customers to conduct their own quality tests.