Unmatched Strength

For Seamless Water Flow

At Prayag, we bring you a range of Composite Pipes engineered for high durability, excellent Thermal compatibility, and long service life. Designed to handle extreme conditions, these pipes ensure hassle-free installations with zero corrosion and high tensile strength.

Prayag Composite Pipe

Why Choose Prayag Composite Pipes?

Superior ROI
Superior ROI

A strategic business decision that reduces project risk and lifecycle maintenance labor.

50-Year Design Life
50-Year Design Life

Engineered for lasting reliability in the most demanding environments.

Hygienic and Safe
Hygienic & Safe

Manufactured from Food Grade Material to ensure pure and clean flow.

Weather Proof
Weather Proof

Built with excellent UV resistance to withstand harsh conditions without degradation.

Composite Pipes by Prayag

Composite pipe range

What are Composite Pipes

A composite pipe is a next-generation pressure solution utilizing a PE-AL-PE (Polyethylene-Aluminum-Polyethylene) multi-layer structure manufactured in strict compliance with IS 15450:2022.

This five-layer architecture integrates a form-stable aluminum core overlap-welded between layers of high-performance polyethylene. This evolution solves the dual problem of plastic's thermal instability and metal's corrosive degradation. We have created color-coded safety standards to identify fluid mediums immediately for risk mitigation.

LIFE flow composite pipe
Black

LIFE flow

Standard water supply and ISI-compliant applications.

EVER flow composite pipe
White

EVER flow

Potable and residential (PRT) water supply systems.

SAFE flow composite pipe
Yellow

SAFE flow

LPG and Natural Gas pipeline distribution.

OXY flow composite pipe
Blue

OXY flow

Specialized Medical Air and Oxygen supply for healthcare infrastructure.

Where our pipes work

Key Application Areas

From residential plumbing to critical medical gas lines, our pipe range is engineered for the specific demands of each application.

Manufacturing plants

Manufacturing Plants and Industrial Facilities

Chemical and heat-resistant piping for process, cooling & utility lines

Food processing units

Food Processing and Packaging Units

Hygienic, corrosion-free pipelines built for food-grade safety standards

Automotive operations

Automotive and Assembly-Line Operations

Precision-engineered lines for coolant, air & hydraulic systems

Healthcare infrastructure

Hospitals, Clinics and Healthcare Infrastructure

Medical gas and pure water supply lines built to clinical safety codes

High-rise residential towers

High-Rise Residential Towers

Vertical riser and horizontal distribution networks

Commercial buildings

Commercial Buildings

Office blocks, malls, institutional campuses

Industrial parks

Industrial Parks and Utilities

Internal water networks, process-water supply

Prayag Composite Pipe engineering advantage

Advantage

The Engineering Advantage

  • Thermal Stability: The aluminum core ensures an extremely low expansion rate, preventing the "sagging" common in standard polymers.
  • Hydraulic Efficiency: A smooth interior facilitates 30% more flow than traditional alternatives, reducing pumping energy costs.
  • Form-Stability: The pipes can be hand-bent and retain their shape without "spring-back," drastically reducing the need for joint fittings.
  • Risk Mitigation: Available in coils up to 300m, eliminating up to 80% of potential leak points compared to rigid 6-meter pipes.
  • Lightweight: Up to 70% lighter than metal, making transportation and installation significantly easier.

Specification

FeatureSpecification
Material StandardIS 15450:2022
Structure5-Layer PE-AL-PE
PE Density940.4 – 948.0 kg/m³
Size Range (OD)12mm to 40mm
Aluminium CoreOverlap-welded (0.18mm to 0.33mm)
Max Coil LengthUp to 300 Metres
Thermal StabilityOIT > 20 minutes at 200°C

Fittings Ecosystem

Prayag's fitting ecosystem is designed to address the weakest link in any fluid network through high-precision mechanical jointing and strategic risk mitigation. The system is categorized into two material types and supported by a specialized toolset to ensure permanent, leak-proof connections.

Nylon Union Coupler 20 mm

Union Coupler

  • Range : 20mm to 40mm
Nylon Equal Elbow 90 degree 20 mm

Equal Elbow 90°

  • Range : 20mm to 40mm
Nylon Equal Tee 20 mm

Equal Tee

  • Range : 20mm to 40mm
Nylon Female Tee 20 x half inch

Female Elbow 90°

  • Range : 20mm to 40mm
Nylon Female Tee 20 x half inch

Female Tee

  • Range: 20 × ½″ mm to 25 X 1⁄2 mm
Nylon Female Threaded Adapter 20 x half inch

Female Threaded Adapter

  • Range: 20 × ½″ mm to 25 X 1⁄2″mm
Nylon Male Threaded Adapter 20 x half inch

Male Threaded Adapter

  • Range: 20 × ½″ mm to 25 X 1⁄2″ mm
Brass Equal Elbow 90 degree

Unequal Coupler

  • Range: 20 x 16 mm to 32 x 25 mm
Brass Equal Tee fitting

Male Threaded Adapter

  • Range: 16 x 1⁄2" mm to 32 x 1 1⁄4 mm
Brass Female Threaded Adapter

Unequal Tee

  • Range: 20 x 16 x 20 mm to 32 x 25 x 32 mm
Brass Female Threaded Adapter variant 2

Female Threaded Adapter

  • Range: 16 x 1⁄2" mm to 32 x 1 1⁄4" mm
Brass Female Threaded Tee

Female Threaded Tee

  • Range: 16 x 1⁄2" mm to 25 x 1"mm
Brass Male Threaded Adapter

Male Threaded Elbow 90°

  • Range: 20 x 1⁄2" mm
Brass Male Threaded Elbow 90 degree

Female Threaded Elbow 90°

  • Range: 16 x 1⁄2" mm to 32 x 1 1⁄4" mm
Brass Unequal Coupler

Union Coupler

  • Range: 16 mm to 50mm
Brass Unequal Elbow 90 degree

Equal Elbow 90°

  • Range: 16 mm to 50mm
Brass Unequal Tee

Equal Tee

  • Range: 16 mm to 50mm
Brass Union Coupler

Unequal Elbow 90°

  • Range: 20 x 16 mm to 32 x 25mm

Faq's

1. What are Prayag Composite Pipes?

Prayag Composite Pipes are a pressure-pipe solution built with a five-layer PE-AL-PE structure. The design combines polyethylene layers with a form-stable aluminium core to provide durability, thermal compatibility, corrosion resistance, tensile strength, and reliable fluid flow across several applications.

2. How is the five-layer PE-AL-PE pipe constructed?

The composite structure places an overlap-welded aluminium core between high-performance polyethylene layers. Prayag states that the aluminium core thickness ranges from 0.18 mm to 0.33 mm, while the complete five-layer architecture is designed to combine the useful properties of polymer and metal materials.

3. Why does the pipe combine polyethylene and aluminium?

The polyethylene layers provide a smooth, hygienic, and corrosion-resistant fluid path, while the aluminium core improves shape retention and thermal stability. This combination is designed to address the thermal movement associated with standard plastic pipes and the corrosion that can affect conventional metal pipes.

4. Which standard and sizes apply to Prayag Composite Pipes?

Prayag states that its PE-AL-PE Composite Pipes comply with IS 15450:2022. The listed outside-diameter size range is 12 mm to 40 mm, and the polyethylene density specification is 940.4 to 948.0 kilograms per cubic metre.

5. What coil lengths are available and how do they affect joints?

The product page lists coil lengths of up to 300 metres. Prayag states that these long coils can eliminate up to 80 percent of potential leak points compared with rigid 6-metre pipes because fewer intermediate joints may be required along a pipeline route.

6. What is the design life of Prayag Composite Pipes?

Prayag describes the range as having a 50-year design life. Actual service performance depends on selecting the correct product variant, size, fittings, operating conditions, installation method, and maintenance practices for the intended application.

7. Are Prayag Composite Pipes suitable for potable water?

Prayag states that the pipes are manufactured from food-grade material for hygienic flow. EVER flow, identified by its white colour, is listed for potable and residential water supply systems, while LIFE flow, identified by black, is intended for standard water supply and ISI-compliant applications.

8. What do the different pipe colours and product names indicate?

The range uses colour coding to identify the intended fluid or application. LIFE flow is black for standard water supply, EVER flow is white for potable and residential water, SAFE flow is yellow for LPG and natural gas, and OXY flow is blue for medical air and oxygen supply.

9. Can Prayag Composite Pipes carry LPG or natural gas?

SAFE flow is the yellow composite pipe variant listed for LPG and natural gas pipeline distribution. Gas systems require the correct approved pipe variant, compatible fittings, specialist installation, testing, and compliance with all applicable safety codes.

10. Can the pipes be used for medical air and oxygen systems?

OXY flow is the blue variant developed for specialized medical air and oxygen supply in healthcare infrastructure. These critical systems must be designed, installed, tested, and commissioned according to the relevant clinical and safety requirements.

11. Where else can Prayag Composite Pipes be used?

The listed application areas include manufacturing plants, food-processing units, automotive and assembly operations, hospitals, high-rise residential towers, commercial buildings, and industrial parks and utilities. Specific uses include water, process, cooling, utility, coolant, air, hydraulic, and medical-gas lines.

12. How do Prayag Composite Pipes manage thermal movement?

The aluminium core provides a low expansion rate that helps reduce the sagging associated with some standard polymers. Prayag also lists an oxidation induction time above 20 minutes at 200 degrees Celsius as a thermal-stability specification; this is a material test value, not a stated operating temperature.

13. How does the smooth interior affect water flow?

The smooth inner surface is designed to support hydraulic efficiency with less internal resistance. Prayag states that the pipe can facilitate 30 percent more flow than traditional alternatives, although actual flow depends on pipe size, system layout, fittings, pressure, and operating conditions.

14. Can Prayag Composite Pipes be bent during installation?

Prayag states that the pipes can be hand-bent and retain their shape without spring-back, which can reduce the number of directional fittings required. The pipes are also described as up to 70 percent lighter than metal, supporting easier transport, handling, and installation.

15. Which fittings are available and how should the system be selected?

The range includes nylon and brass fittings such as union couplers, equal and unequal elbows, tees, threaded adaptors, and reducer connections. Select the pipe variant, diameter, fittings, and joining tools for the intended fluid, temperature, pressure, route, and applicable code. A qualified plumbing professional should confirm the final system design and installation method.

Need Help Choosing the Right Composite Pipe?

The modern built environment demands a fundamental shift in infrastructure reliability. For decades, specifying engineers were forced into a compromise: the structural rigidity of metallic pipes plagued by corrosion, or the chemical inertness of polymers hampered by high thermal expansion

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