Dorma Closer TS73EMF EN4 Elect MAG/HYDR H/O DEV **Body Only**Availability : Out Of stock The DORMA TS73EMF EN 4 closer is a combination of hydraulic door closer and electromagnetic hold open unit. 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. Closing speed adjustable by valve and latching speed