Cylindrical gears for general engineering and for heavy engineering. Modules Ingestion-build-54484 20 Areas of special fire

20 Areas of special fire risk

calculation of size of ventilation openings in habitation compartments

The medium-voltage systems covered by this standard are public distribution systems supplying either private installations in which equipment is connected directly or through transformers

The method is suitable for use over the temperature range 5 to 110 °C

a) water mains and services lines

Cylindrical gears for general engineering and for heavy engineering. Modules Ingestion-build-54484 20 Areas of special fire1 Scope This International Standard specifies the values of normal modules for straight and helical gears for general engineering and for heavy engineering. This International Standard is not applicable to gears used in the automotive field.