Division 04 • Water Grid, City Gas & Industrial Piping

HDPE & Polyethylene Infrastructure Systems

Heavy-duty PE-100 & PE-80 pressure piping engineered for high-integrity potable water grids, city gas distribution (CGD), trenchless horizontal directional drilling (HDD), and abrasive industrial slurry conveyance.

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Zero Joint LeakageHomogeneous butt-welded fusion

Trenchless HDD ReadyFlexible for river & road crossings

50+ Years Service LifeHigh resistance to slow crack growth

PE 100 Virgin CompoundMRS 10.0 MPa bimodal resin

Infrastructure Grade Engineering

Piping & Jointing Technologies

Supplied in straight lengths and seamless continuous coils for rapid civil installation with zero corrosive failure risks.

Ref: IS 4984 / ISO 4427

HDPE Potable Water Pressure Pipes (PE-80 & PE-100)

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Engineered for municipal potable water transmission, cross-country bulk water supply, submarine outfalls, and industrial effluent transfer. Extruded from bimodal PE-100 resin offering superior resistance to rapid crack propagation and surge pressure water hammer.

Key Engineering Advantages:

✓ Monolithic Reliability: Butt-welded joints create an uninterrupted continuous pipeline with zero gasket failure points.
✓ High Flexibility & Ground Movement Tolerance: Bends naturally to follow ground contour, absorbing seismic tremors and soil shift.
✓ Chemical & Biological Immunity: Resists aggressive chemical soils, acidic effluents, and micro-organism growth.

Available Sizes: 20mm to 630mm ODPressure Classes: PN 2.5 to PN 16 (SDR 41 to SDR 9)Form: Coils (up to 110mm) & 6m / 12m Straight Bars

Ref: IS 14885 / ISO 4437

MDPE & HDPE City Gas Distribution (CGD) Pipes

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Specialized medium and high-density polyethylene piping engineered for natural gas, liquefied petroleum gas (LPG), and coal bed methane (CBM) mains. Available in high-visibility yellow or black with co-extruded yellow longitudinal identification stripes.

Key Engineering Advantages:

✓ Gas Permeation Barrier: High-density resin barrier prevents volatile hydrocarbon micro-permeation.
✓ Electrofusion Compatibility: Seamlessly joints with automated electrofusion couplers for zero-risk gas containment.
✓ Exceptional Toughness at Low Temperatures: Retains high impact ductility and burst safety down to -40°C.

Available Sizes: 20mm to 250mmMaterial Grades: PE 80 (SDR 11) & PE 100 (SDR 9 / SDR 11)Max Operating Pressure: Up to 7 bar (Natural Gas)

Ref: IS 8360 / IS 8008

HDPE Butt Fusion & Injection Moulded Fittings

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Comprehensive fittings portfolio for connecting, reducing, and branching polyethylene piping systems. Fabricated and injection-moulded from identical high-stress PE-100 compound to guarantee uniform thermal fusion characteristics.

Available Configurations:

✓ Butt Fusion Fabricated Bends & Tees: Segmented bends (up to 90°), equal tees, and reducing lateral tees.
✓ Stub Ends & Flange Adaptors: For transitioning between HDPE and metal valves, pumps, or ductile iron piping.
✓ Electrofusion Couplers & Tapping Saddles: Barcode-readable fittings for live under-pressure tapping and pipe jointing.

Sizes: 20mm to 630mmPressure Classes: Matching SDR 17 to SDR 9Joint Method: Heated Tool Butt Fusion / Electrofusion

Ref: IS 16050 / ISO 14236

Polypropylene (PP) Compression Fittings

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Tool-free mechanical jointing system for connecting PE pipes in agricultural networks, landscape irrigation, and secondary house service connections. Features a high-grade acetal gripping ring and NBR O-ring seal for rapid leak-proof assembly.

Key Engineering Advantages:

✓ No Power or Welding Machine Required: Tightens effortlessly by hand or strap wrench in remote field locations.
✓ Demountable & Reusable: Easy to dismantle and reconfigure during pipeline maintenance or farm expansion.
✓ High Pull-Out Resistance: Acetal split ring bites into the outer pipe wall, resisting axial pull under high water pressure.

Sizes: 20mm to 110mmPressure Rating: PN 16 (up to 63mm) / PN 10 (75mm-110mm)Components: Male/Female Adaptors, Tees, Elbows, End Plugs

Technical Benchmark

HDPE & PE Systems Standards Matrix

Standard engineering specifications for public works, municipal water boards, and CGD contractors.

System Type	Material Resin	Applicable Standard	Size Spectrum	Working Pressure (PN)	Primary Jointing
HDPE Potable Water Pipes	PE 100 / PE 80 Virgin Polymer	IS 4984 / ISO 4427	20mm to 630mm	PN 2.5 to PN 16 (SDR 41 to SDR 9)	Butt Fusion / Flanged
MDPE / HDPE Gas Pipes	PE 80 / PE 100 Gas Grade	IS 14885 / ISO 4437	20mm to 250mm	Up to 7.0 bar Gas Pressure	Electrofusion / Butt Fusion
Butt Fusion Fittings	PE 100 Homogeneous Resin	IS 8360 / IS 8008	50mm to 630mm	Matches Pipe SDR Class	Heated Plate Mirror Welding
PP Compression Fittings	Polypropylene Block Copolymer	IS 16050 / ISO 14236	20mm to 110mm	PN 10 to PN 16	Mechanical Compression Grip

Brochures & Schedules

Download PE & Gas Infrastructure Documentation

Review chemical resistance charts, allowable bending radii, maximum drag loads for HDD installations, and electrofusion jointing protocols.

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