Underground Gas Polyethylene Piping System HDPE Gas Pipe

• Material: PE
• Kind: Thermosetting Plastics Pipe
• Water Absorption: 0.12%~0.25%
• Contraction Percentage: 2.0%~5.0%
• Tensile Strength: 41~50MPa
• Diameter: 20-1200 mm
• Model NO.: DH-HDPE-GAS
• Max Nominal Pressure: 15MPa
• Oxidation Induction Time: ≥20min
• Ash Content: ≤0.1%
• Elongation at Break: ≥350%
• Transport Package: by Truck, by Train, by Sea
• Trademark: DHPI
• Origin: China
• HS Code: 3917210000
• Production Capacity: 500000 Kilometers /Year

Product Description

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Product Description

Polyethylene gas pipes have become the top choice for gas distribution systems. Their lightweight nature, resistance to corrosion, availability in convenient coil lengths, and ease of installation through heat fusion or mechanical fittings make them unparalleled in performance. Since their introduction in the 1960s, PE pipes have demonstrated exceptional reliability and durability, solidifying their status as the industry standard.


Shandong Donghong Pipe Industry Co., Ltd. proudly manufactures specialized PE pipes for mining applications using the advanced PE100-RC material, an enhanced version of PE100.This upgraded material boasts significant improvements, including high Minimum Required Strength (MRS), outstanding Slow Crack Growth (SCG), superior Rapid Crack Propagation (RCP) resistance, and exceptional melt strength LS. Ideal for gas transfer, these pipes offer anti-corrosion properties, remarkable flexibility, and minimal medium loss.

Connection Method

 

 

1. Elctric fusion connection.

2. Butt fusion Connection.

3. Flange Buckle Connection

 

Product Features

 

Anti-corrosion

Polyethylene (PE) is an exceptionally robust and inert material, offering resistance to a vast array of chemical media. Apart from a few oxidizing agents, it stands up effortlessly to both soil and water without succumbing to corrosive effects.

 

Secure Connection
Pipes are predominantly joined through heat fusion butt joints and electrofusion. This process seamlessly integrates the joints and pipe materials, ensuring that the interface strength surpasses the pipe body's own strength.

 

High Flexibility
Exhibiting a pipe elongation at break of ≥ 500%, our pipes boast exceptional flexibility. They adeptly manage uneven soil settlement and exhibit superior seismic performance.

 

Excellent Impact Resistance

Designed to perform in low-temperature environments (-20ºC to -40ºC), these pipes resist external impacts and are not prone to cracking or other damages.

 

Exceptional Cracking Resistance

Our pipes demonstrate outstanding resistance to rapid crack propagation (RCP) and slow crack growth (SCG). This effectively mitigates the risk of cracking and crack spreading, even in low-temperature conditions or if installation damage occurs.

 

Low Friction Coefficient
With a smooth inner wall and non-adhesive properties, our pipes maintain optimal conveying capacity and minimize pressure loss within the pipeline.

 

Product Advantages

 

Product Description:

• Low density, lightweight, and easy to handle and install.
• Corrosion resistance to various chemical mediums.
• Smooth inner wall, ensuring strong circulation capacity.
• Long service life: up to 50 years.
• High toughness and excellent seismic resistance.
• Enhanced resistance to slow crack growth (SCG) and rapid crack propagation (RCP).

Experience unparalleled quality with Shandong Donghong Pipe Industry Co., Ltd. Our PE100-RC Pipe for high-density oil and gas applications boasts superior hydrostatic strength, excellent oxidation resistance, and cutting-edge integrated equipment. With stringent process controls, precision meter weight control systems, and a dedicated CNAS laboratory, our pipes promise unmatched reliability and durability. Secure your projects with our robust and dependable pipe solutions, offering you peace of mind.

Product Specification

 (GB/T15558.1-2015)

Nominal Daimeter   dn/mm	Minimum wall thickness      mm
	SDR11	SDR17	SDR21	SDR26
20	3.0
25	3.0
32	3.0
40	3.7	3.0
50	4.6	3.0
63	5.8	3.8	3.0
75	6.8	4.5	3.6	3.0
90	8.2	5.4	4.3	3.5
110	10	6.6	5.3	4.2
125	11.4	7.4	6	4.8
140	12.7	8.3	6.7	5.4
160	14.6	9.5	7.7	6.2
180	16.4	10.7	8.6	6.9
200	18.2	11.9	9.6	7.7
225	20.5	13.4	10.8	8.6
250	22.7	14.8	11.9	9.6
280	25.4	16.6	13.4	10.7
315	28.6	18.7	15	12.1
355	32.2	21.1	16.9	13.6
400	36.4	23.7	19.1	15.3
450	40.9	26.7	21.5	17.2
500	45.5	29.7	23.9	19.1
560	50.9	33.2	26.7	21.4
630	57.3	37.4	30	24.1

 

 

Appliation Cases

Certifications

Company Profile

Shandong Donghong Pipe Industry Co., Ltd. (referred to as: Donghong pipe industry, stock code: 603856), based in Qufu, China-the historic hometown of Confucius-is a leading engineering pipeline manufacturer. We are also a premier pipeline engineering service provider and general contractor, specializing in four distinctive categories of functional and customized pipelines:

1. Exclusive pipelines for efficient rainwater and sewage diversion.
2. Dedicated pipelines tailored for municipal infrastructure.
3. Custom pipelines engineered for industrial and mining sectors.
4. Specialized pipelines designed for national key engineering projects.
5. Pipelines specifically crafted for gas and oil transportation.
6. High-quality raw materials for premium coating solutions.
7. Comprehensive pipe fittings compatible with a variety of pipes.

Our company has fostered a robust industrial ecosystem that integrates design institutes, financial institutions, port logistics, construction units, and upstream and downstream enterprises. Shandong Donghong Pipe Industry Co., Ltd. is committed to pioneering global excellence in pipeline system solutions, striving to transform human life with intelligent pipelines while ensuring the unwavering safety of pipeline transportation.

 

Shandong Donghong Pipe Industry Co., Ltd. proudly features a team of over 200 R&D experts and holds more than 100 patents. Utilizing national technology research infrastructures like the National Enterprise Technology Center and CNAS Laboratory, Donghong leads the way in digitalization, informatization, and intelligentization of pipeline engineering. This innovation propels the engineering pipeline industry forward, supporting pivotal national projects such as the South-to-North Water Diversion and urban water supply integration. With an unwavering focus on innovation and quality, Donghong is dedicated to advancing key strategic initiatives and enhancing people's livelihoods.

FAQ

 

1. Does your product meet international standards?
Our products exceed expectations by passing CE, BV, ISO, and WARS certifications, showcasing performance well above standard requirements. Please inform us of the specific national standards you need; we will verify or conduct tests to ensure compliance.
2. What kind of services do you offer?
As a manufacturing powerhouse, we supply premium pipe products, fittings, packaging, and shipping solutions. Our consultancy division provides expert project advisories, pipe system designs, and tailored solutions. As an engineering-centric enterprise, we offer pipeline contracting, repair services, and free maintenance guidance.
3. Do you support OEM/ODM services?
Absolutely! We specialize in customization across materials, specifications, logos, packaging, and connection methods. Our professional team delivers bespoke solutions for your projects, with a plethora of successful cases to our name.
4. What are your terms of payment?
We accept T/T or L/C at sight.
5. How can you guarantee the quality of your products?
We extend a warm invitation for customers to visit our facilities and inspect our offerings firsthand. We conduct rigorous tests as per your specifications prior to orders. Additionally, we can dispatch samples for you to perform independent quality verification before bulk production.