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Unitech Pipes

ISO Certified Quality | Factory Direct Piping Solutions

Black Pipe HDPE 100% Virgin Material

Crafted from 100% virgin HDPE material, Unitech Black Pipes offer ultimate structural purity, high pressure resistance, and maximum UV durability. Non-corrosive and crack-proof, they provide premier long-term performance for heavy-duty fluid transport and underground cable protection.

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05 - 12 Nov, 2026
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Product Overview

Unitech Black HDPE Pipes (100% Virgin Material) represent the highest standard in high-density polyethylene piping. Manufactured without recycled fillers or re-grind plastics, these premium conduits maintain uniform wall thickness, high tensile strength, and superior burst-pressure resistance. Infused with carbon black UV stabilizers, they provide unbeatable weather resistance and long-term durability for high-consequence utility and industrial applications.

Key Highlights & Applications

  • 100% Virgin Polymer Purity: Zero recycled content ensures maximum chemical purity, higher tensile strength, and zero structural micro-flaws.

  • UV-Stabilized Weather Resistance: Integrated carbon black formulation prevents material degradation under direct sunlight and extreme temperatures.

  • High Structural & Pressure Resistance: Absorbs ground movement, heavy surface loads, and physical stress without deforming or cracking.

  • Low-Friction Smooth Inner Bore: Prevents scale buildup in fluid lines and enables effortless, long-distance cable pulling.

  • Total Chemical & Moisture Immunity: Completely resistant to aggressive soil acids, alkalis, rust, and galvanic corrosion.

  • Critical Infrastructure Applications: Engineered for municipal water mains, industrial fluid transport, underground power distribution, and high-spec utility ducting.

Technical Specifications

Specification Details
Material Grade 100% Virgin High-Density Polyethylene (HDPE)
Color Finish UV-Stabilized Deep Black
Structural Integrity High Burst Pressure & Crack-Proof
Installation Types Direct Underground Burial, Trenchless Directional Drilling, Open-Air
Chemical Resistance 100% Proof against Acids, Alkalis, Soil Chemicals & Rust
Expected Lifespan 50+ Years

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Black Pipe HDPE 100% Virgin Material removeBlack Colour (Hydro Shape) removeBlack Pipe HDPE Economical Quality removeBlack Pipe HDPE Hammer Pass Quality removeHDPE Yellow Colour Pipe 100% Virgin Material remove
NameBlack Pipe HDPE 100% Virgin Material removeBlack Colour (Hydro Shape) removeBlack Pipe HDPE Economical Quality removeBlack Pipe HDPE Hammer Pass Quality removeHDPE Yellow Colour Pipe 100% Virgin Material remove
ImageBlack Pipe HDPE 100% Virgin MaterialBlack Colour (Hydro Shape)Black Pipe HDPE Economical QualityBlack Pipe HDPE Hammer Pass QualityHDPE Yellow Colour Pipe  100% Virgin Material
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DescriptionCrafted from 100% virgin HDPE material, Unitech Black Pipes offer ultimate structural purity, high pressure resistance, and maximum UV durability. Non-corrosive and crack-proof, they provide premier long-term performance for heavy-duty fluid transport and underground cable protection.PVC Reducing Coupler (Black / Hydro Shape): High-grade uPVC inline transition fitting designed to join two plain-end pipes of different diameters in a straight run. Features an engineered smooth taper profile and solvent-weld sockets for minimal pressure loss, high durability, and leak-proof performance.Unitech Black HDPE Pipes offer a cost-effective, heavy-duty solution for general drainage, cable conduit, and agricultural piping. UV-resistant, flexible, and crack-proof, they deliver dependable, long-term durability while keeping budget requirements low.Engineered to pass rigorous hammer-impact tests, Unitech Heavy-Duty Black HDPE Pipes deliver maximum toughness for high-stress industrial and underground cabling. Fully UV-stabilized, crack-proof, and extra durable, they withstand heavy loads, extreme pressure, and harsh terrain.Engineered from 100% virgin HDPE material, Unitech Yellow Pipes provide heavy-duty, highly visible conduit protection for underground gas and electrical utilities. Non-conductive, flexible, and crack-resistant, they ensure safe, effortless cable pulling and reliable long-term performance.
Content

Product Overview

Unitech Black HDPE Pipes (100% Virgin Material) represent the highest standard in high-density polyethylene piping. Manufactured without recycled fillers or re-grind plastics, these premium conduits maintain uniform wall thickness, high tensile strength, and superior burst-pressure resistance. Infused with carbon black UV stabilizers, they provide unbeatable weather resistance and long-term durability for high-consequence utility and industrial applications.

Key Highlights & Applications

  • 100% Virgin Polymer Purity: Zero recycled content ensures maximum chemical purity, higher tensile strength, and zero structural micro-flaws.

  • UV-Stabilized Weather Resistance: Integrated carbon black formulation prevents material degradation under direct sunlight and extreme temperatures.

  • High Structural & Pressure Resistance: Absorbs ground movement, heavy surface loads, and physical stress without deforming or cracking.

  • Low-Friction Smooth Inner Bore: Prevents scale buildup in fluid lines and enables effortless, long-distance cable pulling.

  • Total Chemical & Moisture Immunity: Completely resistant to aggressive soil acids, alkalis, rust, and galvanic corrosion.

  • Critical Infrastructure Applications: Engineered for municipal water mains, industrial fluid transport, underground power distribution, and high-spec utility ducting.

Technical Specifications

Specification Details
Material Grade 100% Virgin High-Density Polyethylene (HDPE)
Color Finish UV-Stabilized Deep Black
Structural Integrity High Burst Pressure & Crack-Proof
Installation Types Direct Underground Burial, Trenchless Directional Drilling, Open-Air
Chemical Resistance 100% Proof against Acids, Alkalis, Soil Chemicals & Rust
Expected Lifespan 50+ Years

PVC Reducing Coupler (Black Colour / Hydro Shape Design)

Our PVC Reducing Coupler (Hydro Shape) provides an efficient inline solution for transitioning between two uPVC pipes of different outer diameters. Designed with a smooth internal taper (hydrodynamic shape) to minimize fluid turbulence and maintain line pressure, this fitting joins smaller and larger pipes in a straight line using permanent solvent-weld connections.

Key Performance Features

  • Hydrodynamic Transition: Smooth internal tapering reduces friction loss, fluid turbulence, and pressure drops across pipe size reductions.
  • Direct Inline Size Reduction: Connects two unequal pipe sizes directly without requiring extra bushings or multiple adapters.
  • Precision Solvent-Weld Sockets: Accurately molded inner sockets ensure tight, chemical-bonded joints for high-pressure reliability.
  • High Impact & Pressure Resistance: Built with robust wall thickness to handle working pressure surges, soil stress, and thermal variations.
  • Corrosion & Chemical Immunity: Non-corrosive uPVC material prevents scaling, rust, and chemical attack in harsh underground or exposed settings.

Applications

  • Stepping down pipe diameters in potable water distribution and main-to-branch supply lines.
  • Agricultural and commercial irrigation setups, transitioning sub-mains to smaller distribution pipes.
  • Industrial process lines requiring smooth inline pipe size transitions.
  • Commercial plumbing, pool filtration loops, and drainage networks.

Price & Size Chart

Outer Dia (mm x mm) Reducing Coupler Price
25 x 20 mm 162
32 x 20 mm 212
32 x 25 mm 253
40 x 25 mm 399
40 x 32 mm 466
50 x 25 mm 732
50 x 32 mm 732
50 x 40 mm 865
63 x 32 mm 998
63 x 40 mm 1,077
63 x 50 mm 1,330
75 x 50 mm 1,862
75 x 63 mm 2,168
90 x 63 mm 2,860
90 x 75 mm 2,860
110 x 63 mm 5,187
110 x 75 mm 5,187
110 x 90 mm 5,187

Product Overview

Unitech Black HDPE Pipes (Economical Quality) combine practical performance with budget-friendly value for non-pressurized drainage, general wiring protection, and agricultural applications. Built with carbon black UV stabilizers, these durable conduits withstand outdoor exposure, soil movement, and physical impact without cracking—making them the ideal alternative to expensive rigid PVC or metal piping.

Key Highlights & Applications

  • Cost-Effective Efficiency: High-value pricing designed to maximize savings on large-scale infrastructure and farm projects.

  • UV-Stabilized Black Outer Shell: Resists degradation from direct sunlight, preventing cracking in open-air installations.

  • Crack-Resistant Flexibility: Navigates terrain contours easily without fracturing or requiring extra elbow joints.

  • Smooth Internal Flow: Minimizes friction for rapid water discharge and effortless cable pulling.

  • Corrosion & Moisture Proof: Fully resistant to soil acids, chemical run-off, moisture, and rust.

  • Versatile Use: Ideal for agricultural irrigation, cable protection, farm drainage, and non-pressurized fluid transport.

Technical Specifications

Specification Details
Material Grade High-Density Polyethylene (HDPE) - Economical Grade
Color Specification Standard Matte Black (UV-Stabilized)
Installation Types Open-Air, Underground Trench, Agricultural Piping
Durability Features Weatherproof, UV-Resistant, Corrosion-Proof
Primary Use Cases Cable Ducting, Farm Irrigation, General Drainage
Expected Lifespan 25+ Years

Product Overview

Unitech Heavy-Duty Black HDPE Pipes (Hammer Pass Quality) are purpose-built for harsh environments that demand maximum physical durability. Formulated to pass strict hammer-impact quality checks, these heavy-duty conduits absorb heavy surface shocks, ground movement, and mechanical stress without cracking or deforming—ensuring bulletproof protection for critical power cables and fluid lines.

Key Highlights & Applications

  • Hammer-Pass Impact Resistance: High-density structural strength designed to absorb heavy impacts without shattering or fracturing.

  • Extreme Mechanical Protection: Shields high-voltage power lines and critical infrastructure from heavy vehicle loads and ground settlement.

  • UV-Stabilized Carbon Black: High-grade weather resistance prevents degradation and surface cracking during long-term outdoor exposure.

  • Smooth Inner Bore: Low-friction interior allows smooth, snag-free cable pulling over continuous long runs.

  • Chemical & Corrosion Proof: Complete resistance to aggressive soil acids, industrial chemicals, alkalis, and moisture.

  • Versatile High-Stress Use: Ideal for heavy industrial sites, highway cable crossing, deep trench burial, and high-impact mining applications.

Technical Specifications

Specification Details
Quality Rating Hammer-Pass Tested / High Impact Strength
Material Grade Extra-Tough High-Density Polyethylene (HDPE)
Color Finish UV-Stabilized Deep Black
Impact & Load Capability Heavy Structural Shock & Pressure Proof
Installation Types Deep Underground Trenching, Industrial Open-Air, Heavy Cable Ducting
Expected Lifespan 50+ Years

Product Overview

Unitech HDPE Yellow Pipes are specifically designed for high-risk gas lines, underground electrical cabling, and utility conduits requiring instant identification. Crafted exclusively from 100% virgin high-density polyethylene, these pipes deliver superior tensile strength, impact protection, and flexibility compared to recycled options or traditional rigid conduits—eliminating the risk of micro-cracks and premature structural failure.

Key Highlights & Applications

  • 100% Virgin Material: Maximum structural purity ensures long-term pressure resistance, higher impact strength, and zero material degradation.

  • High-Visibility Yellow: Essential for underground utility marking, preventing accidental damage during future excavations.

  • Dielectric Safety: Non-conductive insulation protects cables from short circuits and electrical ground faults.

  • Low-Friction Bore: Ultra-smooth inner wall enables easy, long-distance cable pulling without wire sheath damage.

  • Corrosion & Moisture Proof: Highly resistant to aggressive soil chemicals, moisture, alkalis, and ground settlement.

  • Versatile Use: Purpose-built for underground gas pipelines, electrical mains, telecom conduit protection, and municipal infrastructure.

Technical Specifications

Specification Details
Material Grade 100% Virgin High-Density Polyethylene (HDPE)
Color Specification High-Visibility Safety Yellow
Electrical Insulation Non-Conductive / Dielectric
Installation Types Direct Burial, Underground Ducting, Open-Trench
Chemical & Soil Resistance 100% Proof against Acids, Alkalis & Corrosion
Expected Lifespan 50+ Years
WeightN/AN/AN/AN/AN/A
DimensionsN/AN/AN/AN/AN/A
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