Pipes in domestic and drinking water applications transport water below room temperature. Where pipes enter the building, we often find weak points in the building structure. These so-called thermal bridges are one of the most frequent reasons for energy loss. In addition, condensation can form on the cold surface of the pipe. When the remaining water in the pipe system is exposed to temperatures below freezing, it solidifies after some time and expands. The pressure exerted may be sufficient to cause the pipe to crack along its length or break the pipe joints. The extent of the damage or the cost of water pipes that burst due to freezing can be very expensive. The damage caused by burst water pipes often results in costly repairs.

Insulation of service and drinking water pipes performs an important function in preventing such problems. Insulation along the entire pipe system reduces the risk of the medium freezing, which drastically reduces the probability of pipe icing. A positive side effect: thanks to the insulation, the multiplication of legionella bacteria, which develops between a temperature range of 25 to 55 °C, is safely prevented. Kaiflex products ensure that the temperature of the cold water pipes does not exceed 25 °C.

Corrosion protection

Corrosion processes under insulation are among the hidden and particularly critical damage processes. Particularly at risk are refrigeration, cryogenic and alternating temperature installations, i.e. installations that tend to draw moisture from the air through the insulation. Kaimann corrosion protection systems play a significant role in protecting the material under the insulation, reducing the risk of a wide variety of corrosion types (e.g. oxygen or crevice corrosion) as well as costly system damage and downtime. The closed-cell structure provides a reliable vapour barrier, safely protects against moisture penetration, and has a chemically neutral pH of about 7, therefore not promoting acidic or alkaline corrosion. Kaifinish protective coatings provide corrosion protection through shielding, i.e. insulation of the pipe surface by excluding air and moisture.

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Corrsion
Condensation

Condensation prevention

In order to ensure the thermal performance of an insulation material in the long term, high water vapours diffusion resistance is also important in addition to thermal conductivity. This additionally protects the refrigeration and air-conditioning systems from condensation and pipe corrosion. The closed-cell structure of Kaiflex is formed from individual, self-contained cells. As a result, the insulation material already has "by nature" a secure vapour barrier integrated across the entire insulation profile and offers a water vapour diffusion resistance of up to μ ≥ 10,000. Kaiflex cannot become soaked during its service life and therefore retains its excellent insulating performance. The result: Kaiflex insulation on cold-carrying pipes increases the service life of technical equipment and also prevents moisture damage to the building's inventory.

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Energy efficiency

Optimal technical insulation can provide sustainable support in keeping energy losses in a building or operational system low in the long term. Cost-saving measures to increase energy efficiency and system performance can be easily realized by insulating the entire piping network with Kaiflex. Thanks to the low thermal conductivity of up to λ ≤ 0.033 W/(m·K) and the thus very good thermal performance, the energy budget can already be sustainably optimized with a minimum insulation layer thickness, as the following example shows: an uninsulated DN 50 pipe has an annual energy consumption of 172.2 kWh per pipe meter. At a heat price of 0.24 € / kWh, this results in additional costs of 41.33 Euros per meter and per year. If, on the other hand, the pipe is covered with 19 mm of Kaiflex insulation, heat losses are reduced to 39 kWh and operating costs shrunken to 9.36 Euros per meter per year (assuming ambient temperature of 23 °C, media temperature 6 °C, rel. humidity 75 %, system hours  6,000). This means that 77 % of costs can be saved and the use of Kaiflex has already paid for itself after a short time.

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Thermal efficiency

Thickness insulation calculator Kaicalc

Those who pay attention to careful planning, workmanship and quality in a project design, can avoid costly system malfunctions or even failures and can thus keep operating costs stable in the long term - or even reduce them sustainably. Decisive for this is both the choice of the right insulation material and the correct calculation of insulation thickness. Our insulation thickness calculator Kaicalc provides reliable support around the clock.

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