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PKTMCFire Damper with Pressure resistance

Technology abilities demonstration:

PKTMC – is product designed and developed to fulfill requirements of individual special project according to the conditions Customer. PKTMC is not intended for direct offers and serves as technology abilities demonstration only. This product is not standardly available in MANDÍK, a.s.



  • Dimensions min. Ø200, max. 800mm (circular design only, extension fitting to square duct possible)
  • Stainless Steel - Casing thickness 3 - 6 mm, welded construction with pickling and passivation
  • Possible use as a fire damper with hight tightness and resistance against pressure, tight pressure valve, fire valve
  • Electric actuator (eg. AUMA, Bernard Controls, SIPOS) or pneumatic actuator (STASTO-VALBIA), use of limit switches (eg. Petercem, Telemechanique, Honeywell)
  • Max. air velocity 35 m/s
  • Tested pressure difference 5kPa (inside/outside of duct - dynamic pressure when the damper safely opens / closes). Max. permissible pressure is not defined - on reques.
  • Turbulent flow inside the duct in front of/behind the damper is possible
  • Seismic resistant (high resistance)
  • Tested according to EN 1366-2, Classified according to EN 13501-3, CE certified according to EN 15650
  • Fire classification EI 180 ve, ho (i ↔ o) S
  • Can be installed in random position inside rigid wall, ceiling, onto solid walls, ceilings with additional insulation and duct installation with insulation by stone wool
  • Pressure tightness - closed blade max. 14 l /m2/min under 1.1 bar (tested towards both sides of the blade)
  • Operable at temperatures up to 200 °C
  • Safe cycles without loss of leakage / fire resistance of at least 20,000
  • Usable in a magnetic field of up to 126 mT
  • Radiation resistance up to 100 kGy (including pneumatic actuator)
  • Suitable for explosion hazardous areas class II 3 / 3G c IIB + H2 TX
  • Decontaminable
  • Guaranteed service life 40 years
  • Low Voltage and Electromagnetic Compatibility Certified
  • IP protection of actuators / pneu-actuators / limit switches is 65