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Ori-Plast manufactures a wide range of Polyethylene pipes both High Density (HDPE) & Medium Density (MDPE) conforming to various standards viz., BIS, BS, DIN & ISO to name a few.
Polyethylene is a thermoplastic polymer consisting of long chains of ethylene or ethane. It is a wax like thermoplastic with density varying from 934.0kg/m³ to 960.0kg/m³ which is less than the density of water. The only two additives that are added to polyethylene are Carbon Black, within the range limit of 2-3% in order to add reinforcement and to increase polyethylene’s weathering properties and trace amounts of anti-oxidant.
HDPE has a relatively high molecular weight compared to MDPE and is superior in terms of abrasion resistance and impact strength. It is also strongly resistant to stress cracking and has low creep rupture properties. It has excellent insulation properties over a wide range of frequencies and is not chemically active. HDPE pipes are one of the two largest thermoplastic pipelines available and by far the most versatile.
PE pipes for water is available in black colour: Water Supply & Sewerage

MDPE fittings are connectors that are used to join MDPE pipes together or connect them to other types of piping systems. These fittings are specifically designed for use with medium-density polyethylene pipes and are manufactured from the same material, ensuring compatibility and a secure, leak-free connection.
MDPE fittings are available in a range of sizes and shapes to suit various applications, such as elbows, tees, couplers, reducers, and end caps. They are commonly used in a range of industries, including water supply, gas distribution, and industrial processes.
MDPE fittings can be installed using various methods, including electrofusion, butt fusion, and mechanical compression fittings. The installation method used will depend on the size and application of the fitting and the site conditions. Proper installation and maintenance of MDPE fittings are essential to ensure a long-lasting, secure connection and to prevent leaks and other issues.
MDPE pipes are a type of plastic pipe made from medium-density polyethylene. These pipes are designed for the transportation of liquids and gases and are commonly used in a range of applications such as water supply, gas distribution, and industrial processes. MDPE pipes offer several advantages over other materials, including resistance to abrasion, stress cracking, and a range of chemicals, as well as flexibility, ease of installation, and high durability. They are commonly available in a range of diameters and lengths and can be installed using a variety of methods, including butt fusion, electrofusion, and mechanical compression fittings.
HDPE PLB Duct Pipe is a high-strength, lightweight conduit made from High-Density Polyethylene (HDPE), designed to protect and route underground cables such as optical fiber and telecom lines. It features excellent flexibility, corrosion resistance, and durability, making it ideal for direct burial and long-term outdoor use. The PLB (Permanent Lubricated Bore) inner lining ensures smooth cable pulling and reduced friction during installation.
A: Oriplast produces a comprehensive range of PE piping solutions, including High-Density Polyethylene (HDPE), Medium-Density Polyethylene (MDPE), Polyethylene of Raised Temperature Resistance (PERT), and PLB Duct pipes.
A: Oriplast PE pipes and fittings conform to Indian and global standards, including IS 4984, IS 14333, ISO 4427-2, and hold BIS, BS, DIN, and ISO quality certifications.
A: Oriplast HDPE pipes are extruded from 100% virgin resin compounds across PE 63, PE 80, and PE 100 material grades containing 2%–3% carbon black for UV weatherability.
A: Oriplast supplies PE pipes and fittings in outer diameters ranging from 20 mm up to 630 mm, with pressure ratings from PN6 to PN25 for gravity and high-pressure duties.
A: Oriplast HDPE systems are primarily joined using Butt Fusion and Electrofusion welding, creating monolithic, leak-proof joints that are as strong as the pipe body.
A: The catalog features HDPE & MDPE Couplers, Equal/Fabricated Tees, Reducers, Elbows, Flanges & Blind Flanges, Step End Long Necks, and Repair Clamps.
A: Yes, their natural elasticity, high tensile strength, and resistance to scratch/crack propagation make them ideal for Horizontal Directional Drilling (HDD) and trenchless pipe laying.
A: Yes, PE material is chemically inert and highly abrasion-resistant, allowing it to safely transport slurry, boiler ash, mine tailings, acids, alkalis, and industrial effluents.
A: Yes, Oriplast MDPE pipes and electrofusion fittings are specially engineered for underground fuel gas distribution, LPG lines, and city gas networks due to their high flexibility and stress-crack resistance.
A: PERT (Polyethylene of Raised Temperature) pipes offer enhanced hydrostatic strength at higher temperatures. They are ideal for radiant underfloor heating, solar lines, and hot/cold drinking water distribution.
A: Yes, Oriplast PE pipes are 100% non-toxic, lead-free, and hygienic. Their non-porous inner bore prevents scaling, rust, and bacterial colonization, ensuring pure water delivery.
A: Unlike rigid materials that become brittle, PE retains high flexibility and impact strength in sub-zero conditions down to -40°C, accommodating freeze expansion without cracking.
A: Their mirror-smooth interior reduces hydraulic friction and head loss, preventing encrustation buildup over time and lowering pump power consumption.
A: Yes, smaller diameter PE pipes (up to 110 mm) can be supplied in continuous seamless coils of up to 100 meters, drastically reducing joint requirements and installation costs.
A: Engineered with high-density molecular bonds and UV stabilizers, Oriplast PE pipelines offer a maintenance-free operational life of 50 to 100 years.