Total Solution Provider of Certified Fixed Fire Fighting Systems


co2-qlLow pressure CO2 systems


Danfoss Semco low pressure COsystems are intended for use where large machinery and cargo spaces require protection with carbon dioxide. The advantage of the low pressure system is that one single tank replaces a large number of CO2 cylinders with an approximate saving of 50% in weight. The tank, main valves, distribution valves, refrigerators, and associated controls are supplied prewired and ready assembled on a common steel frame.

The quantity of carbon dioxide is shown directly by an electronic gauge indicating the actual tons of CO2 in the tank. The gauge unit is fitted with alarm contacts for warning at low CO2 contents in the tank. Recharging after use is made directly from a truck.
For large vessels the installation cost of a low pressure CO2 system is considerably lower compared to the installation costs of a high pressure CO2 system. The system is designed to meet the requirements of the appropriate classification societies to which the vessel is being built.

LPCO2 diagram billede

Schematic diagram and main components

The tank is constructed as a steel pressure vessel in accordance with the classification society requirements. The tank is equipped
with two safety valves, which are fitted to a three way changeover valve, thus one safety valve is connected to the vessel if the
other one is out of operation. The tank unit is supplied complete and ready for use, installed on a rectangular steel framework
and held in position by thermally insulated supports. The tank is insulated with non-flammable polyurethane foam protected by
an aluminium cover.

Quality assurance
Danfoss Semco HSE&Q system is in accordance with DS/EN ISO 9001:2008, DS/EN 14001:2004, and DS/OHSAS 18001:2008 and is certified by DNV.

Read our brochure about Low -pressure COSystems here.

14954 - 10-LPCO2 corrected

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