PPR Pipe 25mm 3 layers Q-Therm imported

Description

PPR Pipe 25mm 3 layers

 

PN 25 imported from UAE for hot and cold Q-therm PPRc pipes and fittings , Food Grade, Plumbing Materials. PPR Pipe 25mm 3 layers distributor 0322-3540656

 

What is PPR Pipe 25mm 3 layers Q-Therm imported ?

 

Specifications

The following table provides key technical specifications for the Q-Therm 3-Layer PPR Pipe 25mm PN 25, based on Q-Therm product details and compliance with standards like DIN 8077/8078 and ISO 15874:

Note: The pressure rating decreases with temperature (e.g., ~10 bar at 60°C, ~5 bar at 80°C). Consult the manufacturer’s pressure-temperature chart for precise derating. The middle layer (aluminum or fiberglass) enhances UV resistance and reduces thermal expansion compared to single-layer PPR pipes.

Usage

The Q-Therm 3-Layer PPR Pipe 25mm PN 25 is versatile and widely used in various applications due to its robust construction and resistance to high temperatures and pressures:

• Domestic Plumbing: Hot and cold potable water supply in residential buildings, apartments, and villas.
• Commercial and Industrial Systems: Water distribution in hotels, hospitals, schools, and factories, including compressed air lines and chemical fluid transport.
• Heating and Cooling Systems: Radiant floor heating, underfloor heating, and chilled water systems due to low thermal conductivity and high temperature tolerance.
• High-Rise Buildings: Popular in regions like Karachi for multi-story constructions, where pressure and temperature stability are critical.
• Outdoor Installations: The reinforcement layer provides UV resistance, making it suitable for partially exposed installations (with proper insulation).

Its smooth inner surface prevents scaling, corrosion, and bacterial growth, ensuring long-term hygiene and flow efficiency. The pipe is not recommended for direct gas transport or applications exceeding 95°C without manufacturer approval.

Installation

Installation of the Q-Therm 3-Layer PPR Pipe 25mm PN 25 requires socket fusion welding or electrofusion, depending on the fittings used (e.g., 25mm Q-Therm sockets, elbows, or tees). Below is a step-by-step guide for socket fusion, the most common method:

1. Preparation:
   • Cutting: Use a PPR pipe cutter to cut the pipe squarely to the desired length, ensuring a clean, perpendicular edge.
   • Cleaning: Clean the pipe ends and fitting surfaces with alcohol or a dry cloth to remove dirt, grease, or moisture.
   • Chamfering: Bevel the pipe edge slightly (using a chamfering tool) to ease insertion into fittings.
   • Marking: Mark the insertion depth (typically 25–30mm for 25mm pipes) to ensure proper fusion.
2. Heating:
   • Preheat a PPR fusion welding machine to 260–280°C (standard for PPRc).
   • Simultaneously insert the pipe end into the heating bush and the fitting (e.g., Q-Therm 25mm socket) into the corresponding heating socket.
   • Heat for 10–15 seconds (exact time depends on ambient conditions; use a timer to avoid overheating).
3. Fusion:
   • Quickly remove the pipe and fitting from the heater and insert the pipe into the fitting to the marked depth.
   • Apply even, firm pressure for 10–20 seconds to form a uniform weld bead around the joint.
   • Allow the joint to cool undisturbed for 10–15 minutes (longer in colder environments) to ensure bond strength.
4. System Assembly and Testing:
   • Secure pipes with clips or hangers every 50–70cm to prevent sagging, accounting for thermal expansion (lower in 3-layer pipes but still ~0.03 mm/m/°C).
   • Use protective sleeves or insulation for pipes embedded in walls or floors to allow movement and protect against abrasion.
   • Pressure-test the system at 1.5 times the operating pressure (e.g., 37.5 bar for PN 25 at 20°C) for 1–2 hours to check for leaks.
   • Avoid sharp bends (minimum bend radius: 5x diameter); use appropriate fittings (e.g., elbows) for turns.
5. Tools and Safety:
   • Required Tools: PPR fusion machine, pipe cutter, chamfering tool, measuring tape, and depth gauge.
   • Safety Precautions: Wear gloves and safety glasses; work in a well-ventilated area to avoid inhaling fumes from heated PPR.
   • Insulation: For hot water or outdoor installations, apply foam or fiberglass insulation to minimize heat loss or UV damage.
6. Best Practices:
   • Follow Q-Therm’s technical manual for precise fusion times and temperatures.
   • Ensure compatibility with Q-Therm fittings (e.g., 25mm sockets, reducers) for leak-proof joints.
   • Avoid over-tightening threaded connections (if used with PPR-to-metal adapters).
   • Engage certified installers for large-scale or high-pressure systems to ensure compliance with standards and warranty terms.

Additional Notes

• Warranty: Q-Therm typically offers a 50-year service life guarantee under specified conditions (PN 25 at 20°C). Improper installation or exposure to unsupported conditions (e.g., excessive UV or temperatures >95°C) may void this.
• Availability: Available through authorized distributors in regions like Pakistan (e.g., Karachi, Lahore) and the Middle East. Check with suppliers for pricing and stock.
• Environmental Benefits: PPR is recyclable, and the 3-layer design reduces material waste while enhancing performance.
• Maintenance: Virtually maintenance-free due to corrosion resistance; periodic checks for joint integrity are recommended in high-pressure systems.