RKTMJ

RKTMJ

Regulating damper resistant to seismic events

RKTMJ - Multi-leaf regulation damper resistant against seismic events, effects of high-pressure and to higher air flow velocity. Usable as insulating damper, tight insulating damper, low overpressure damper.

Properties

Min. dimensions 250 x 250 x 210; max. dimensions 2000 x 2000 x 210 mm (square cross-section only, round adapter available)
Carbon steel, carbon steel with approved coat system, galvanised steel, stainless steel - casing 3 mm, welded construction
Damper actuating mechanical, electrical, pneumatical, or combination - possible usage of additional limit switches
Plain bearings, maintenance-free design
External Casig leakage class C, Internal leakage class 3,4 acc. to EN 1751
Max. airflow 25 m/s
Contra-rotating aerodynamic blades
Actuation mechanism installed externally of the damper axis and airflow direction
Pressure difference up to 7500 Pa (internal vs. external pressure)
Radioactive aerosol impact allowed - decontaminable
Seismic resistant (high resistance)
Guaranteed service life 40 years, recommended maintenance interval 10 000 hours

Specifications

Multi-leaf regulation damper resistant against seismic events, effects of high-pressure and to higher air flow velocity. Usable as insulating damper, tight insulating damper, low overpressure damper.