9
Non-return
damper
technical specifications
design according article 2.1.
dimension
type
Damper bodies and blades are supplied in the standard design made of galvanized plate without
any other surface finish.
Sliding bearings are made of resistant self-extinguishing nylon.
The appliance is constructed and preset by the manufacturer, its operation is dependent on
proper installation and adjustment.
Dampers are transported by box freight vehicles without direct weather impact, there must not
occur any sharp shocks and ambient temperature must not exceed +40°C. Dampers must be
protected against mechanic damages when transported and manipulated.
Dampers are stored indoor in environment without any aggressive vapours, gases or dust.
Indoortemperature must be in the range from -5°C to +40°C and maximum relative humidity 80%.
Dampers must be protected against mechanic damages when transported and manipulated.
Assembly consists of installing dampers in the ventilation duct system.
Non-return
dampers are maintenance-free.
