Introduction of Hdpe Pipe s Hdpe Pipe Sdr11 Sdr17 Sdr 21 High Density Polyethylene Hdpe Pipe s

High Density Polyethylene Pipe (PE Pipe) is a durable and flexible thermoplastic piping solution widely used in industrial, municipal, agricultural, and mining applications. Known for its excellent chemical resistance, high impact strength, and long service life, PE pipes are ideal for transporting water, gases, and other fluids under varying pressure conditions.

Key Features of Hdpe Pipe s Hdpe Pipe Sdr11 Sdr17 Sdr 21 High Density Polyethylene Hdpe Pipe s

Corrosion & Chemical Resistance

Resistant to rust, scale, and most chemicals, making it suitable for aggressive environments.

Lightweight & Flexible

Easy to transport and install due to low weight; flexibility allows bending without joints in certain applications.

High Impact Strength

Withstands extreme weather conditions and physical stress, reducing breakage risks.

Leak-Free Joints

Heat-fused joints create seamless connections, minimizing leakage risks.

Long Service Life

UV-resistant and abrasion-proof, with a lifespan exceeding 50 years under proper conditions.

Smooth Inner Surface

Reduces friction loss, improving flow efficiency and lowering energy costs.

Eco-Friendly

Non-toxic, recyclable, and compliant with drinking water safety standards.

Cost-Effective

Lower installation and maintenance costs compared to traditional materials (e.g., metal, concrete).

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Specifications of Hdpe Pipe s Hdpe Pipe Sdr11 Sdr17 Sdr 21 High Density Polyethylene Hdpe Pipe s

HDPE pipes are made from strong plastic. This plastic is High-Density Polyethylene. People choose HDPE pipes for many projects. They resist corrosion very well. They handle chemicals without damage. They last a long time underground. They are also lightweight. This makes them easier to install than metal pipes.

The strength of an HDPE pipe relates to its SDR. SDR means Standard Dimension Ratio. It tells you the wall thickness compared to the pipe’s outside diameter. A lower SDR number means thicker walls. Thicker walls handle higher pressure. A higher SDR number means thinner walls. Thinner walls handle lower pressure but cost less.

SDR11 pipes have thick walls. This gives them a high pressure rating. They work well for main water lines. They are good for gas distribution under pressure. They handle force well. SDR11 is common for sizes from half an inch up to large diameters.

SDR17 pipes have medium wall thickness. Their pressure rating is lower than SDR11. They are often used for water service lines. Think about connections from the main line to buildings. They work for lower pressure irrigation systems. They are a cost-effective choice for many uses.

SDR21 pipes have thinner walls. They have the lowest pressure rating among these three. They are used for non-pressure applications. This includes things like drainage and sewer systems. They are also used for conduit protecting electrical wires. They are economical for large projects needing lower pressure tolerance.

HDPE pipes come in many sizes. Common diameters range from 20mm up to 1200mm or more. The size you need depends on the project. The SDR rating you choose depends on the required pressure. Always check the specific pressure rating for the size and SDR you plan to use.

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Applications of Hdpe Pipe s Hdpe Pipe Sdr11 Sdr17 Sdr 21 High Density Polyethylene Hdpe Pipe s

HDPE pipes are everywhere. You see them moving water underground. They carry gas safely to homes. Factories rely on them for chemicals. High-Density Polyethylene makes these pipes tough. It resists rust and chemicals very well. It bends easily without breaking. This makes installation simpler. HDPE pipes last decades underground. They don’t leak often. Their smooth inside keeps water flowing fast. This saves energy.

Different jobs need different pipe strengths. That’s where SDR ratings matter. SDR means Standard Dimension Ratio. It tells you the wall thickness relative to the pipe size. A lower SDR number means a thicker wall. A thicker wall handles higher pressure.

SDR11 HDPE pipes have thick walls. They handle high pressure well. Use them for main water supply lines. They work for gas distribution lines too. They are good for force mains carrying sewage. Industrial plants use them for high-pressure fluids.

SDR17 HDPE pipes offer a good balance. Their wall is medium-thick. They handle moderate pressure. Use them for water distribution networks. They suit irrigation systems well. Municipal projects use them often. They are common for sewer laterals. They work for some mining slurry lines.

SDR21 HDPE pipes have thinner walls. They handle lower pressure. Use them for gravity-flow sewer systems. They are perfect for stormwater drainage. Land drainage projects use them a lot. They work well for conduit protecting electrical cables. They are used for low-pressure effluent lines.

Packing and Shipment

Depends on the products and qty,we could make the packing of coiling,rolls,bundle packing,crates or boxes,etc.

Shipment:By sea,railway,by air or as customer’s request.

Company Profile

Luoyang Datang Energy Tech Co., Ltd. is a leading Chinese manufacturer specializing in high-quality plastic pipes and fittings. Equipped with state-of-the-art automated production lines and supported by a team of 200 professionals, we offer an extensive product line comprising over 150 types of plastic pipes and fittings designed for water supply and drainage systems, gas transmission, and floor heating systems. Our main products include PVC Pipes and Fittings, PE (HDPE) Pipes and Fittings, PPR Pipes and Fittings, and PEX Floor Heating Pipes. 

Should you have any inquiries regarding HDPE Pipe Fitting, please do not hesitate to contact us!

Tel.:0086-183 3790 0677

Wechat: 0086-183 3790 0677

Whatsapp: 0086-183 3790 0677

Email: sales@pipesandfittings.net

Payment Terms

T/T,L/C at sight,Western Union & Paypal,etc.

5 FAQs of Hdpe Pipe s Hdpe Pipe Sdr11 Sdr17 Sdr 21 High Density Polyethylene Hdpe Pipe s

Here are 5 common questions about HDPE pipes, specifically SDR11, SDR17, and SDR21:

What do SDR11, SDR17, and SDR21 mean for HDPE pipes?
SDR means Standard Dimension Ratio. It compares the pipe’s outside diameter to its wall thickness. A lower SDR number means a thicker pipe wall. SDR11 pipes have thicker walls than SDR17 pipes. SDR17 pipes are thicker than SDR21 pipes. Wall thickness directly affects pressure capacity.

What pressure can these HDPE pipes handle?
Pressure rating depends on the SDR and the pipe size. SDR11 pipes handle the highest pressure because of their thick walls. SDR17 pipes handle medium pressure. SDR21 pipes handle lower pressure applications. Always check the manufacturer’s pressure rating chart for the exact size and material grade you need.

Where are SDR11, SDR17, and SDR21 HDPE pipes typically used?
SDR11 pipes are used for high-pressure jobs. This includes main water lines, gas distribution, and industrial force mains. SDR17 pipes are common for medium-pressure municipal water systems and some irrigation. SDR21 pipes are often used for lower pressure applications like gravity-flow sewer lines, drainage, and certain irrigation laterals.

How does temperature affect these pipes?
HDPE pipes handle a wide temperature range. They work well in very cold conditions, even below freezing. But the material’s strength decreases as temperature rises. The pressure rating drops significantly at higher temperatures. You must reduce the operating pressure for hot water or warm environments. Consult the manufacturer’s derating tables.

What sizes and standards apply to these pipes?
SDR11, SDR17, and SDR21 HDPE pipes come in many sizes. Diameters typically range from small (like 1/2 inch) up to very large (over 60 inches). Common standards include ASTM D3035 for water and sewer pipes up to 3 inches, ASTM F714 for larger sizes, and other standards for gas or specific uses. Size availability depends on the SDR and the manufacturer.

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