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RKTMJRegulating 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.

 

Characteristics

  • 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

Certifications and declaration