The K-Flex 6RX038038 Insul-Tube offers reliable thermal protection for commercial and residential line sets, chilled water lines, and refrigeration piping. Engineered from a flexible NBR/PVC closed-cell elastomeric blend, this tube insulation provides low thermal conductivity to minimize energy losses. Its closed-cell structure serves as an integrated vapor retarder, preventing moisture infiltration that leads to sub-surface pipe corrosion and mold growth.
Featuring a 3/8-inch inner diameter paired with a 3/8-inch insulation wall thickness, this tubular sleeve slips smoothly over copper or steel piping to safeguard systems against sweating in high-humidity conditions. The resilient rubber-plastic composite stands up to environmental demands and resists tearing during installation around tight bends. This ensures long-lasting performance on cold water lines, hot water systems, and dual-temperature refrigerant lines.
HVAC/R technicians and mechanical contractors can easily cut, slice, and seal this flexible tubing to match specific run lengths, elbows, and T-joints on the job site. The lightweight profile ensures manageable handling during fast-paced retrofits or new construction projects. Always verify physical outer pipe diameters and project temperature specifications against manufacturer submittals to ensure a proper, snug insulation fit.
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