These units are for
internal doors and external doors and gates.
We recommend using
sealing compound for external applications to help prevent premature corrosion.
This floor spring unit is adjustable, allowing the door to be held open.
Not for use on fire doors due to hold open device.
Please note: The new version is slightly longer in length and has the
pivot in a different place i.e. 5mm further forward.
This unit will fit
in a Dorma BTS 80 foundation box.
Strength: EN 3 - EN
Single and Double Action
Adjustable Closing Speed
Adjustable Latching Action
Hold Open / Adjustable / Non Hold Open
Safety Valve to prevent overloading.
Max Door weight 300kg
Cost: There is one
cost option available with this product:
- Geze TS550 NV Unit,
Foundation Box and Standard Spindle EN: £186.50