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2 | Product description
2.2 Ignition protection concept
The compressor described in these instructions for assembly is suitable for use in device category 3
for explosive gas atmospheres up to temperature class T3 and explosion hazard subgroup IIB/IIC in
accordance with Directive 2014/34/EU.
The entire compressor, including motor, is perceived as technically tight and therefore does not need
an ignition protection.
To prevent ignition risk caused by working materials also during system malfunctions, all used working
materials have to meet the requirements for the temperature class of the compressor. The surface
temperature of the compressor may not exceed 80 % of the ignition temperature of the working
material. For this reason all working materials need to have an auto-ignition temperature of > 250 °C.
The scope of delivery of the standard compressor comprises a conductive paint finish, that is suitable
for the use in explosion group IIC. If the compressor is delivered with the accessory "Offshore Paint
Finish", the application is restricted to explosion group IIB.
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