HDPE Pressure Pipe – SDR Rated

HDPE Pressure Pipes are highly resistant to chemicals, abrasion, and UV degradation, making them ideal for harsh environments. Their high tensile strength and chemical resistance ensure long-term performance in aggressive media, while their ability to resist abrasion and UV exposure minimizes the need for frequent maintenance or replacements, extending the life of the system. 

Materials

High-Density Polyethylene (HDPE), providing excellent chemical resistance and flexibility.

Surface Finishes

Smooth internal and external surfaces, ensuring efficient flow and reduced friction.

Compliance Standards

Meets ASTM F714, ISO 4427, AWWA C906, and EN 12201 for global industry compatibility.

Cross-Section Area (A)

The cross-sectional area varies depending on pipe diameter, SDR value, and material.

Mass per Meter (m)

The mass per meter depends on pipe size, SDR rating, and wall thickness specifications.

Product Description

The SDR (Standard Dimension Ratio) determines the pressure resistance of HDPE pipes. Lower SDR values mean thicker walls and higher pressure tolerance. HDPE Pressure Pipes – SDR Rated offer customized pressure ratings for a variety of applications, such as water, gas, and industrial fluid transport, ensuring reliability under demanding pressure conditions. 

Moment of Inertia (Ix / Iy)

Calculated based on pipe diameter, wall thickness, and material properties, ensuring load resistance.

Section Modulus (Zx / Zy)

Measures the pipe’s strength in bending, calculated based on dimensions and SDR.

Radius of Gyration (ix / iy)

Indicates how the pipe resists buckling, calculated from pipe’s dimensions and wall thickness.

Max. Axial Load (Euler Buckling)

The maximum load the pipe can withstand before buckling, calculated per pipe specifications.

Max. Load at Slot (Shear Test)

Determines the maximum shear force at the slot, based on material and structural properties.

Torsional Constant (J)

Assesses the pipe’s resistance to twisting forces, considering diameter and material.

Max Torque (Torsional Load Limit)

Maximum allowable torque before deformation or failure occurs, based on pipe dimensions.

Elastic Deflection (100 N Load)

Measures pipe deflection under a 100N load, which varies based on diameter and wall thickness.

Dynamic Load Rating

Defines the pipe’s performance under varying dynamic loads, based on material and design.

Compatibility Tolerance

Tolerance limits for fitting and joint compatibility, ensuring a proper seal and connection.

Machining Precision Grade

Precision manufacturing with tolerances of ±0.2mm for custom pipe fabrication and fittings.

Fatigue Life (Slot Edge)

Resistance to fatigue loading, up to 10 million cycles, ensuring long-term durability.

Thermal Expansion (ΔL @ ΔT=50°C)

Expansion rate of 0.15mm per meter for every 50°C temperature change, ensuring stability.

Slot Pull-Out Resistance

The pipe resists slot pull-out, ensuring secure connection even under high pull-out forces.

Max Load Bearing at Corner Joint

Determines the load-bearing capacity of corner joints, based on pipe diameter and wall thickness.

Technical Advantages

HDPE pipes have a smooth interior surface, reducing friction and enhancing flow efficiency. This leads to lower energy consumption and higher flow rates, especially in long-distance or high-velocity systems. The material’s resistance to scaling and biofilm buildup further improves its hydraulic performance, reducing maintenance requirements. 

HDPE pipes are lightweight and flexible, simplifying installation, especially in challenging terrains. Their ability to bend around obstacles without additional fittings reduces installation time and costs. The fusion welding method creates leak-free, durable connections, minimizing the need for repairs and reducing system downtime. 

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Industry Applications

Water Distribution Systems

Used in municipal water supply networks for high-pressure applications, ensuring reliable flow and resistance to corrosion. 

Gas Transmission

Ideal for natural gas pipelines, providing flexibility and strength to withstand pressure fluctuations and environmental stressors. 

Industrial Fluid Transport:

Suitable for transporting chemicals, oils, and other industrial fluids, offering chemical resistance and durability under high pressures. 

Sewage and Wastewater Systems

Used in underground sewer networks, offering resistance to abrasive materials, corrosion, and chemicals in wastewater applications. 

Irrigation Systems

Designed for agricultural irrigation, providing durable, pressure-resistant piping for water distribution across large fields and systems. 

Mining Operations:

Used in slurry and fluid transfer within mining environments, where durability and resistance to abrasive materials are critical. 

Compliance with Industry Standards

Manufactured to global standards like ASTM, ISO, and AWWA, HDPE Pressure Pipes – SDR Rated ensure consistent quality, performance, and dimensional accuracy. Compliance with these standards guarantees that the pipes meet safety regulations and ensures reliable system performance across industries. 

HDPE Pressure Pipes are 100% recyclable, and their long lifespan reduces the need for frequent replacements, contributing to sustainability. The low environmental footprint of the manufacturing process makes HDPE a responsible choice for industries aiming to minimize their environmental impact. 

Having Doubts? Our FAQ

Check all our Frequently Asked Question

How does the SDR value affect the pressure rating of HDPE pressure pipes?

The SDR (Standard Dimension Ratio) defines the relationship between the pipe’s outside diameter and wall thickness. A lower SDR indicates a thicker wall, which enhances the pipe’s ability to withstand higher internal pressures. This means pipes with lower SDR values are better suited for high-pressure applications, while higher SDR values are appropriate for lower-pressure systems. 

What impact does temperature variation have on the performance of HDPE Pressure Pipes?

HDPE pipes exhibit good performance across a wide temperature range. However, at higher temperatures (above 60°C), the material may soften, reducing its pressure resistance. In colder environments, HDPE remains flexible and resilient but may become brittle below freezing. Temperature-based de-rating ensures the pipes maintain structural integrity at various operational temperatures. 

How does the chemical resistance of HDPE Pressure Pipes affect their usage in industrial applications?

HDPE pipes provide excellent chemical resistance, making them suitable for transporting aggressive chemicals and acids. The material resists corrosion, oxidation, and degradation by most chemicals. For high-risk environments, HDPE can be engineered to resist specific chemicals by modifying its composition, ensuring long-term reliability even in harsh industrial conditions. 

What are the effects of soil movement on HDPE Pressure Pipes during installation?

HDPE pipes are inherently flexible, allowing them to absorb and adapt to soil movement, reducing the risk of cracks or breaks. This makes HDPE ideal for areas with seismic activity or shifting soils, as it can withstand ground settlements, thermal expansion, and contraction without compromising the pipe’s structural integrity or pressure resistance. 

How do HDPE Pressure Pipes perform in systems that experience surge pressure?

HDPE pipes handle surge pressures better than rigid materials due to their flexibility and high elongation properties. These pipes can absorb transient pressure spikes, preventing damage or failure in systems like water or gas pipelines where rapid pressure changes can occur. Their ability to withstand surge pressure helps maintain system reliability and reduces the risk of catastrophic failures. 

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LOCATIONS

Global Sales Office

818, Preakness lane, Coppell, Texas, USA – 75019

Registered Office

10-A, First Floor, V.V Complex, Prakash Nagar, Thiruverumbur, Trichy-620013, Tamil Nadu, India.

Operations Office

9/1, Poonthottam Nagar, Ramanandha Nagar, Saravanampatti, Coimbatore-641035, Tamil Nadu, India. ㅤ

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HDPE Pressure Pipe – SDR Rated

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