HT/ArmaFlex S
20 / 22
£22.72
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HT/ArmaFlex S
HT-20x022-SBK
£22.72
Free UK delivery on orders over £100
Usually dispatched within 1–2 working days
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How to measure?
Measure the Outside Diameter (OD)
Pipe insulation sizes refer to the outside diameter of the pipe — not the bore (internal diameter).
Wrap a tape measure around the pipe, divide by π (3.14) to get the OD. Or use calipers across the outside of the pipe directly.
Pipe insulation sizes refer to the outside diameter of the pipe — not the bore (internal diameter).
|←— OD —→|Wrap a tape measure around the pipe, divide by π (3.14) to get the OD. Or use calipers across the outside of the pipe directly.
Overview
Pre-covered, flexible closed cell elastomeric insulation material with exceptional resistance to UV radiation, specifically designed for outdoor environments and heat pump applications.
Highly flexible, closed cell insulation material based on extruded elastomer foam, covered with a polyolefin-copolymer coating. Specially designed for outdoor environments and heat pump solutions.
Length: 2 metres per length.
Key Features
- Exceptional UV/weathering resistance – Built to endure strong and durable performance for outdoor and heat pump installations
- Wide operating temperature range – -50 °C to +150 °C
- No additional painting or re-coating needed
- No mastic required
- Easy to seal joints with no shrinkage
- Compatible with ArmaFix load-bearing insulation support
Material Type
Factory-made flexible elastomeric foam based on ethylene propylene diene monomer (EPDM), according to EN 14304.
Product Colour Range
- Black foam with black covering
- Black foam with white covering
Special Features
Flexible and tear-resistant. Strong resistance against UV. The covering offers excellent durability, even under UV exposure for outdoor applications. Waterproof.
Applications
Thermal insulation for pipework for external heat pump pipework. Also suitable for solar collectors including outdoor installation, hot gas and steam lines, and dual temperature lines.
Installation
Use ArmaFlex HT625 adhesive for a reliable and seamless installation.
Technical Specifications
| Property | Value | Standard |
|---|---|---|
| Service temperature range | -50 °C to +150 °C (tapes: up to +85 °C) | EN 14706, EN 14707, EN 14304 |
| Declared thermal conductivity (λd at 40°C) | ≤ 0.042 W/(m·K) | EN ISO 13787, EN 12667, EN ISO 8497 |
| Reaction to fire | E(L) | EN 13501-1, EN ISO 11925-2 |
| Practical fire behaviour | Self-extinguishing, does not drip, does not spread flames | – |
| Water vapour diffusion resistance factor (μ) | ≥ 4,000 | EN 13469 |
| UV resistance | Excellent | EN ISO 4892-2 |
| Length | 2 m per length | – |
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