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The proven solution for controlled hold-open of fire and smoke check doors


Universal application capability, stable hold-open point and assured quality. The DORMA TS 73 EMF is a combination of hydraulic door closer and electromagnetic hold-open unit.
In conjunction with a smoke detection system (e.g. DORMA RMZ), the TS 73 EMF can be used as a hold-open system for fire and smoke check doors. The hold-open of the door is performed under electromagnetic control. In the event of a fire, the door is reliably closed by the integral hydraulic closer. The closing cycle is also initiated by manual door operation or automatically in the event of a power failure.
Certified to ISO 9001




For the distributor

  • Efficient stocking thanks to non-handed, modular system
  • Range of arm assemblies and accessories to provide an ideal solution even for special applications.


For the fabricator/installer

  • Easy to fix.
  • No adjustment of the hold-open point necessary.
  • Optimum adaptability thanks to adjustable latching action.


For the specifier/architect

  • Attractive, compact design.
  • Wide range of applications.
  • Hold-open possible between approx. 75° and 180°.


For the user

  • To hold open, the door simply has to be opened to the required point and released.
  • Free selection of the holdopen point (opening angles over 75°); variable at any time without the need for adjustment of setting controls.
  • Convertible to free-swing door closer.