Kaiflex Solar EPDMplus – UV-Resistant Twin Pipe Insulation for Solar Thermal Systems

The Kaiflex Solar EPDMplus Collection features pre-insulated twin pipe systems designed for fast, reliable connection of solar collectors, heat pumps, and thermal storage tanks. Manufactured by Kaimann, this solution combines high-temperature EPDM insulation with corrugated stainless steel tubing, offering excellent durability, thermal performance, and installation efficiency.

Product Overview

Kaiflex Solar EPDMplus 2in2 is a complete twin-pipe assembly with integrated supply and return lines, each pre-insulated with closed-cell EPDM foam. The system is clad in a tear-resistant black foil for added UV protection and mechanical resilience.

Key specifications:

• Pipe type: Corrugated stainless steel (VA), twin pipe configuration
• Insulation: Closed-cell EPDM foam with integrated vapor barrier
• Thermal conductivity: ≤ 0.038 W/(m·K)
• Temperature range: -50 °C to +150 °C (intermittent up to +175 °C)
• UV resistance: Excellent – designed for direct outdoor exposure
• Outer cladding: Tear-proof black foil
• Fire classification: EN 13501-1 compliant
• Accessories: Expansion fittings, end caps, wall brackets, and sensor cables

Applications

• Solar thermal systems (collector to tank connections)
• Heat pump supply and return lines
• District heating distribution lines
• Hot gas and heat exchange systems
• External pipework exposed to sunlight and weather

Performance Benefits

• Fast, clean installation with pre-insulated twin pipe format
• Maintains thermal efficiency and prevents energy loss
• Resistant to UV, ozone, and mechanical stress
• Reduces installation time and material waste
• Supports compliance with modern solar heating system standards