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Armaflex Flexifast 1/4 2m Pre-Insulated Ready Made Air Conditioning Pipe Tube Hose
Secure flexibility that saves time
Armaflex Flexifast is a reliable pre-insulated system solution to connect indoor and outdoor units of split- and multi-split air conditioning systems. The flexible rubber hose is assembled with straight end fittings pre-applied to each end and the complete system comes pre-insulated with closed cell Armaflex AC insulation.
The system is easy to install, reduces both cost and time of assembly, avoids condensation and is suitable for use with the new refrigeration gases R134, R404, R407 & R410.
| The benefits of being well prepared |
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Suitable for new refrigerants R134, R404, R407 & R410 |
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Built in vapour barrier prevents condensation |
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Fast and easy to apply |
| Application Areas |
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Air-conditioning units |
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Refrigeration systems |
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Cold shelves |
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Ancillary equipment |
Armaflex Flexifast - Technical Product Data
| Insulation |
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| Properties |
Values |
Remarks |
| Material |
Foamed nitrile rubber |
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| Max. Surface Temperature |
+105° C |
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| Max. Temperature for Flat Surface |
+85° C |
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| Min. Surface Temperature |
-50° C |
For min. temperatures between -50° C and - 200° C, please consult our Technical Department. |
| Thermal Conductivity at 0° C |
0.034 W/(m · K) |
Test acc. to EN ISO 8497 |
| Thermal Conductivity at +20° C |
0.036 W/(m · K) |
| Thermal Conductivity at +40° C |
0.038 W/(m · K) |
| Water Vapour Permeability |
Moisture Resistance Factor µ 7,000 |
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| 2.79 · 10(-14) kg/(m s Pa) |
BS EN ISO 9346:1996 |
| Water Absorption |
0.2% by volume |
Test acc. ASTM C 209 |
| Surface Spread of Flames |
Class 1 |
Surface Spread of Flame acc. BS 476 Part 7: 1997 |
| Fire Propagation |
Total Index Performance (I) ≤ 12
Sub Index (i1) ≤ 6 |
Fire Propagation acc. BS 476 Part 6: 1989 |
Fire Performance
acc. to Building Regulation |
Class O |
Test results for Surface Spread of Flames and Fire Propagation meets Class O fire category for |
| Building Regulations 2000 (England and Wales) |
| Building Standards (Scotland) Regulations 1990 |
| Building Regulations 2000 (Northern Ireland) |
| Building Regulations 1997 (Republic of Ireland) |
| Reaction to fire |
Self-extinguishing, does not drip |
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| Noise Reduction |
Sound Absorption Coefficient ISO 354:2003 up to 0.8 |
Also suitable for use in the prevention of sound passage |
| Resistance to |
Building Materials: Very Good
Ozone: Very Good
Chemicals: Consult Product Test List |
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| Health Aspects |
Dust & Fibre Free |
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| Other Properties |
FM Approved
ODP zero
GWP zero
Tested in accordance with UL 94 |
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| Outdoor Applications |
Armaflex Flexifast should be painted with Armafinish FR paint to the recommended thickness within 3 days. Two or more coats may be required. |
| Flexible Pipe |
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| Properties |
Values |
Remarks |
| Max. Working Temperature |
with crimped fittings: +105° C
with reusable fittings: +90° C |
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| Min. Working Temperature |
with crimped fittings: -40° C
with reusable fittings: -30° C |
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NB |
ID |
OD |
Tolerances |
Min. bending radius |
Working
pressure |
Working
pressure |
Weight |
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inch |
mm |
mm |
mm |
mm |
bar |
PSI |
g/m |
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1/4 |
4.4 |
9.7 |
0.1 |
50 |
45 |
653 |
80 |
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3/8 |
8.5 |
13.9 |
0.15 |
60 |
45 |
653 |
120 |
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1/2 |
10.5 |
16 |
0.15 |
80 |
45 |
653 |
140 |
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5/8 |
13.5 |
19.3 |
0.15 |
150 |
45 |
653 |
180 |
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