

Outer Diameter DN (mm) | PN8 | PN10 | PN16 | PN20 | PN25 | PN35 |
Wall Thick Ness(mm) | Wall Thick Ness(mm) | Wall Thick Ness(mm) | Wall Thick Ness(mm) | Wall Thick Ness(mm) | Wall Thick Ness(mm) | |
50 | 5.0 | 5.5 | 6.0 | 6.5 | ||
63 | 5.5 | 6.0 | 6.5 | 7.0 | ||
75 | 6.0 | 6.5 | 7.0 | 7.5 | ||
90 | 6.5 | 7.0 | 7.5 | 8.0 | ||
110 | 6.0 | 7.0 | 7.5 | 8.0 | 8.5 | |
125 | 6.0 | 7.5 | 8.0 | 8.5 | 9.5 | |
140 | 6.0 | 8.0 | 8.5 | 9.5 | 10.5 | |
160 | 6.5 | 9.0 | 9.5 | 10.5 | 11.5 | |
200 | 7.0 | 9.5 | 10.5 | 12.5 | 13.0 | |
225 | 8.0 | 10.0 | 10.5 | 12.5 | ||
250 | 8.0 | 10.5 | 12.0 | 12.0 | 13.0 | |
315 | 9.5 | 12.0 | 13.0 | 13.0 | 14.5 | |
355 | 10.0 | 12.5 | 14.0 | |||
400 | 10.5 | 13.0 | 15.0 | |||
450 | 11.5 | 14.0 | 16.0 | |||
500 | 12.5 | 16.0 | 18.0 | |||
560 | 17.0 | 20.0 | 21.0 | |||
630 | 20.0 | 22.0 | 24.0 | |||
710 | 23.0 | 26.0 | ||||
800 | 27.0 | 30.0 |


Hydrostatic strength and burst pressure test requirements:

Application:
- Ideal for municipal water supply needs.
- Perfect for both commercial and residential water supply applications.
- Essential in water and wastewater treatment plants, efficiently handling corrosive and reclaimed water, and optimizing sprinkler and drip irrigation systems.
- Suitable for transporting various industrial liquids.
- An excellent choice for swimming pool piping solutions.
- Tailored for sewer, storm, and sanitary pipeline systems.
- Provides reliable protection as a cable duct.

Company Information
Hubei Haiwei Pipe Industry Co., Ltd. finds its home in Chibi City, Hubei Province, known as the "South Gate of Hubei"-a critical component of the Wuhan City Circle, renowned for its strategic geographical benefits. Spanning over 20,000 square meters with fixed assets of approximately 130 million yuan, this company stands as a formidable presence in the region.
As a subsidiary of Jiangsu Haiwei Plastic Technology Co., Ltd., born in 2021 from parent company investments, we share comprehensive production processes and proprietary technologies, spanning research, production, and innovative advancements in plastic pipes, polymer materials, and other specialized fields. We expertly furnish customers with an extensive range of Polyethylene (PE) solutions, including water supply and large-diameter sewage discharge pipes, steel mesh skeleton PE pipes, electrofusion fittings, MPP power cable protection tubes, HDPE double wall corrugated pipes, and more, adhering to both national and enterprise standards.
With strategic alliances forged with entities like the Government Water Conservancy Bureau, China Railway, and China Construction, among others, our company stands at the forefront of China's infrastructural growth. Supported by an annual productivity exceeding 20,000 tons, assets surpassing 130 million yuan, and over 100 pieces of advanced equipment, we deliver unmatched quality and reliability.
The parent company proudly holds prestigious credentials, including national CNAS laboratory accreditation, a high-tech enterprise certificate, ISO certifications (9001, 14001, 10012, 18001), China Environmental Labeling, Xinhua Water Saving, a Five-star after-sales service, and more, elevating our product branding to new heights.
At Haiwei, we unleash the spirit of excellence to become China's foremost supplier of municipal pipelines. Our core values echo 'pragmatic innovation, unity and progress, customer centrality, and harmonious sharing', guiding us towards our corporate mission of 'leading the pipeline industry forward'. We are committed to professional management and brand development. Your endorsement is our greatest accolade, and the responsibility we embrace fuels our continuous advancement. Together, let's carve out a brighter future and enhance the quality of life for all!

Certification

Packing and Delivery

FAQ
Q1: May I get one sample before placing an order?
Re: Absolutely! Samples are available for your convenience. For typical products, we offer samples at no cost, with only freight charges applicable. For high-value items, the freight and a nominal product fee are required. Once our partnership solidifies or you become our esteemed VIP customer, complimentary samples will be at your disposal whenever needed.
Re: We offer multiple payment options, including T/T, L/C, and Ali trade insurance. Choose the method that best suits your convenience.
Q3: How and when can I get my goods after payment?
Re: For small quantities, we ensure swift delivery via international couriers like DHL, FedEx, or TNT, typically within 3-5 days post-dispatch. For bulk orders, sea freight is the economical choice, with transit times ranging from days to weeks, depending on your destination port.
Q4: Is any possible to use my appointed label or package?
Re: Certainly! We are more than willing to accommodate your specific labeling or packaging requests to meet your requirements.
Q5: How can you guarantee the goods you offer are qualified?
Re: Trust and accountability form the cornerstone of our business ethos. Rest assured, all our products meet the highest standards. Prior to delivery, we conduct rigorous testing and provide a Certificate of Analysis (COA) to confirm product quality.
Q6:Is the price on this page correct?
Re: The prices listed are indicative. For the most accurate and up-to-date pricing, please reach out to us directly.