Kingflex
1 / 3
The expanded closed-cell structure of Rubber Foam Insulation Tube makes it an efficient insulation barrier. Manufactured with environmental sustainability in mind, it is free from harmful compounds and provides robust resistance to weather and moisture.
The advanced closed-cell technology restricts moisture penetration and heat transfer, ensuring long-term thermal efficiency in critical heating, cooling, and industrial plumbing applications.
| NO. | Copper Tube | Steel Pipe | Internal Φ (mm) | 9mm · 3/8" FF | 13mm · 1/2" HH | 19mm · 3/4" MM | 25mm · 1" RR | |||||||
| Nom. ID Inches | Nom. ID Inches | I.P.S. Inches | Φ External mm | Φ Nominal mm | Ref. Wall*ID | Lengths (2m) per ctn | Ref. Wall*ID | Lengths (2m) per ctn | Ref. Wall*ID | Lengths (2m) per ctn | Ref. Wall*ID | Lengths (2m) per ctn | ||
| 1 | 1/4 | 6.4 | 7.1 - 8.5 | 9*06 | 170 | 13*6 | 90 | 19*6 | 50 | 25*6 | 35 | |||
| 2 | 3/8 | 9.5 | 1/8 | 10.2 | 6 | 11.1 - 12.5 | 9*09 | 135 | 13*10 | 80 | 19*10 | 40 | 25*10 | 25 |
| 3 | 1/2 | 12.7 | 12.5 | 13.1 - 14.5 | 9*13 | 115 | 13*13 | 65 | 19*13 | 40 | 25*13 | 25 | ||
| 4 | 5/8 | 15.9 | 1/4 | 13.5 | 8 | 16.1 - 17.5 | 9*16 | 90 | 13*16 | 60 | 19*16 | 35 | 25*16 | 20 |
| 5 | 3/4 | 19.1 | 19.0 - 20.5 | 9*19 | 76 | 13*19 | 45 | 19*19 | 30 | 25*20 | 20 | |||
| 6 | 7/8 | 22.0 | 1/2 | 21.3 | 15 | 23.0 - 24.5 | 9*22 | 70 | 13*22 | 40 | 19*22 | 30 | 25*22 | 20 |
| 7 | 1 | 25.4 | 25.0 | 26.0 - 27.5 | 9*25 | 55 | 13*25 | 40 | 19*25 | 25 | 25*25 | 20 | ||
| 8 | 1 1/8 | 28.6 | 3/4 | 26.9 | 20 | 29.0 - 30.5 | 9*28 | 50 | 13*28 | 36 | 19*28 | 24 | 25*28 | 18 |
| 9 | 32.0 | 32.5 - 35.0 | 9*32 | 40 | 13*32 | 30 | 19*32 | 20 | 25*32 | 15 | ||||
| 10 | 1 3/8 | 34.9 | 1 | 33.7 | 25 | 36.0 - 38.0 | 9*35 | 36 | 13*35 | 30 | 19*35 | 20 | 25*35 | 15 |
| 11 | 1 1/2 | 38.0 | 38.0 | 39.0 - 41.0 | 9*38 | 36 | 13*38 | 24 | 19*38 | 17 | 25*38 | 12 | ||
| 12 | 1 5/8 | 41.3 | 1 1/2 | 42.4 | 32 | 43.5 - 45.5 | 9*42 | 30 | 13*42 | 25 | 19*42 | 17 | 25*42 | 12 |
| 13 | 44.5 | 44.5 | 45.5 - 47.5 | 9*45 | 25 | 13*45 | 20 | 19*45 | 16 | 25*45 | 12 | |||
| 14 | 1 7/8 | 48.0 | 1 1/2 | 48.3 | 40 | 49.5 - 51.5 | 9*48 | 25 | 13*48 | 20 | 19*48 | 15 | 25*48 | 12 |
| 15 | 2 1/8 | 54.0 | 54.0 | 55.0 - 57.0 | 9*54 | 25 | 13*54 | 20 | 19*54 | 15 | 25*54 | 10 | ||
| 16 | 2 | 57.1 | 57.0 | 58.0 - 60.0 | 13*57 | 18 | 19*57 | 12 | 25*57 | 9 | ||||
| 17 | 2 3/8 | 60.3 | 2 | 60.3 | 50 | 61.5 - 63.5 | 13*60 | 18 | 19*60 | 12 | 25*60 | 9 | ||
| 18 | 2 5/8 | 67.0 | 67.5 - 70.5 | 13*67 | 15 | 19*67 | 10 | 25*67 | 8 | |||||
| 19 | 3 | 76.2 | 2 1/2 | 76.1 | 65 | 77.0 - 79.5 | 13*76 | 12 | 19*76 | 10 | 25*76 | 6 | ||
| 20 | 3 1/8 | 80.0 | 13*80 | 12 | 19*80 | 10 | 25*80 | 6 | ||||||
| 21 | 3 1/2 | 88.9 | 3 | 88.9 | 80 | 90.5 - 93.5 | 13*89 | 10 | 19*89 | 8 | 25*89 | 6 | ||
| 22 | 4 1/4 | 108.0 | 108.0 | 108 - 111 | 13*108 | 6 | 19*108 | 6 | 25*108 | 5 | ||||
| Tolerance: Thickness | ±1.3mm | ±2.0mm | ±2.4mm | ±2.4mm | ||||||||||
| Technical Data Performance Sheet | |||
|---|---|---|---|
| Property | Unit | Value | Test Method |
| Temperature range | °C | -50 to 110 | GB/T 17794-1999 |
| Density range | Kg/m³ | 45 - 65 | ASTM D1667 |
| Water vapor permeability | Kg/(m·s·pa) | ≤0.91×10⁻¹³ | DIN 52 615 / BS 4370 Part 2 |
| μ (Moisture resistance factor) | - | ≥10000 | - |
| Thermal Conductivity | W/(m·k) | ≤0.030 (-20°C) | ASTM C 518 |
| ≤0.032 (0°C) | |||
| ≤0.036 (40°C) | |||
| Fire Rating | - | Class 0 & Class 1 | BS 476 Part 6 & 7 |
| Flame Spread & Smoke Index | - | 25/50 | ASTM E 84 |
| Oxygen Index | - | ≥36 | GB/T 2406, ISO 4589 |
| Water Absorption, % by Volume | % | 20% | ASTM C 209 |
| Dimension Stability | - | ≤5 | ASTM C534 |
| Fungi resistance | - | Good | ASTM G21 |
| Ozone resistance | - | Good | GB/T 7762-1987 |
| Resistance to U.V. and weather | - | Good | ASTM G23 |
This Rubber Foam Insulation Tube is engineered to retard heat gain and control condensation drip from chilled-water and refrigeration systems. It also efficiently reduces heat flow for hot-water plumbing, liquid-heating, and dual-temperature piping configurations.
Usage Temperature Range: -297°F to +220°F (-183°C to +105°C)
For use on cold pipes, thicknesses have been calculated to control condensation on the insulation outer surface, as demonstrated in the table of thickness recommendations.
