Pre-insulated pipes suit modern cooling systems
An
Armacell UK product story
Edited by the Engineeringtalk editorial team
Jul 8, 2005
Armaflex Split and Duosplit pre-insulated pipework can be supplied with SAE flare fittings and other accessories.
Available from Armacell UK, Armaflex Split and Duosplit pre-insulated pipework can be supplied with SAE flare fittings and other accessories.
Designed as installation packages for single-split and multi-split air conditioning units, reversible air conditioner heating pumps, refrigeration systems and cold shelves, the products are economical, reduce installation time, avoid condensation, optimise system performance and help protect the environment.
Modern split air conditioning systems can be installed virtually anywhere and combine high efficiency with low running noise.
Usually the condenser and compressor are mounted externally, with the evaporator coil, often including a furnace or heat pump, fitted indoors.
The Armaflex pre-insulated pipes are designed for the feed and return supplies between these separated components.
The seamless drawn copper pipe used is subject to nitrogen purging during the annealing process, which results in a super clean tube with carbon levels well below current standards for refrigeration applications.
The pipework is then pre-insulated with a closed-cell foam which reduces the overall cost of installation.
Even further savings are achieved with the Duosplit, which comprises two insulated copper pipes of different sizes (for the gaseous and liquid refrigerant flows), which are joined with a sophisticated connecting system which permits separation and re-joining without damage and without the need for special tools.
The insulation thickness is calculated to prevent condensation occurring and is resistant to ozone and UV radiation as well as being free of PVC and CFCs.
The elastomeric insulation used for Armaflex Split has a temperature operating range of -50 to +150C.
All insulation is foil covered to give durability and prevent moisture ingress, also making it suitable for both external and internal installations.
For maximum economy the insulated tubing is supplied in continuous coiled lengths of 50m for the Split product in tubing sizes of 0.25, 0.375 and 0.5in OD.
Larger sizes up to 0.875in diameter in the Split range and all sizes in the Duosplit range are available in 20m coils only.
SAE flare fittings can be supplied for copper joints.
These are gas tight and resistant to mechanical damage.
They comply with new CEN regarding refrigeration gases, have pressure ratings up to 590bar and eliminate problems associated with traditional soldering methods.
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