HDPE pipe and fitting,PVC pipe and fitting

In the field of marine engineering, high-density polyethylene (HDPE) pipes are ideal for seawater transportation, submarine cable protection, offshore oil extraction and other applications due to their excellent corrosion resistance, impact resistance and long life. However, due to the particularity of the marine environment (high salinity, high pressure, strong corrosion), the quality requirements for HDPE pipes are extremely high.

Among many HDPE pipe manufacturers, Puhui Industry has become a trusted supplier for global customers with its advanced production technology, strict quality control and rich experience in marine engineering. This article will introduce Puhui Industry"s product advantages and purchase recommendations in detail to help you make a wise choice.

 

Why do marine projects require special HDPE pipes?

Challenges of the marine environment to pipelines include:

1. High salinity corrosion → Ordinary metal pipes are prone to rust, HDPE is resistant to chemical corrosion

2. High pressure and water flow impact → High ring stiffness (SN8 or above) and pressure resistance are required

3. Ultraviolet (UV) aging → Anti-UV stabilizer needs to be added

4. Biological attachment (such as barnacles) → Special surface treatment is required

Therefore, high-quality marine engineering HDPE pipes must meet higher material standards, and Puhui Industry"s products are designed for this purpose.

 

Puhui Industry Company Profile

Corporate Background

Established in 2005 (nearly 20 years of experience in HDPE pipe production)

Headquarters: Shandong, China (with a modern production base)

Certifications: ISO 9001, ISO 14001, CE, ASTM F714 (marine pipe standard)

Market coverage: 50+ countries in Asia, Europe, Middle East, Africa, etc.

Core Advantages

1. High-quality raw materials: PE100/PE100-RC grade virgin HDPE is used to ensure high strength and stress cracking resistance

2. Anti-UV and weathering: Add carbon black (2.5%~3%) to extend outdoor service life

3. Customized production: Support DN50-DN2000mm caliber, and can provide double-wall corrugated pipes, solid wall pipes, armored pipes, etc.

4. Marine engineering research: Optimize pipe formula for seawater corrosion and high-pressure environment

 

Puhui Industry marine HDPE pipe recommended products

(1) HDPE solid wall pipe (suitable for submarine water supply and sewage discharge)

Pressure level: PN6-PN25 (can withstand up to 2.5MPa)

Salt spray corrosion resistance: passed ASTM G85 salt spray test

Connection method: hot melt butt welding, electric fusion welding

 

How to choose Puhui Industry"s HDPE marine pipe?

(1) Clarify the needs

Purpose: water supply? Cable protection? Sewage discharge?

Environment: Shallow sea/deep sea? Are there reefs?

Pressure requirements: hydrostatic pressure, fluctuating pressure

(2) Key parameter verification

Material grade: PE100-RC (slow crack growth resistance) is preferred

Ring stiffness: SN8 (shallow sea) or SN16 (deep sea)

UV resistance certification: ensure sufficient carbon black (≥2.5%)

 

Why choose Puhui Industry?

1. Focus on marine engineering - formula and process optimized for seawater

2. Strict quality control - each batch of pipes undergoes water pressure and impact tests

3. Global project experience - cooperative customers include Shell, China Communications Construction, etc.

4. High cost performance - more competitive prices compared to European and American brands

If you are looking for a reliable supplier of HDPE pipes for marine engineering, Puhui Industry deserves priority!

Official website: www.phtopindustry.com | www.phpipes.com
Contact us: Email:inquiry@phtopindustry.com | Whatsapp:+86 15093100892
Company address: Room 802, 8th Floor, Building 5, Jinyin Modern City, Jinshui District, Zhengzhou City, Henan Province, China