Usage
The Geze L-ISM selector bar is designed for double-leaf doors, installed on the side opposite the hinges, to ensure correct closing sequence and reliable door control in environments demanding fire or smoke protection.
Advantages
- Integrated mechanical closing sequence control ensures both leaves close securely in the correct order.
- Suitable for fire and smoke protection doors up to 2800 mm hinge clearance.
- Continuously adjustable closing force (EN size 2–6) adapts to various door weights and applications.
- Easily accessible front-side adjustment of all functions, including speed and latching action.
- No conversion needed for right or left-hand doors; compatible with symmetrical or asymmetrical leaves.
Specifications
- Design: Overhead system combining two TS 5000 L door closers with an ISM guide rail, silver finish.
- Materials/Technologies: Durable aluminum guide rail; hydraulic damping with integrated back check; visual closing force display.
- Performance: For double-leaf single-action doors up to max. leaf width of 1400 mm per leaf, hinge clearance between minimum 1360 mm and maximum 2800 mm; passive leaf minimum width of 380 mm.
Closing force EN size adjustable from EN2–6 (per EN1154).
- Differentiators: Integrated back check prevents damage from sudden opening; installation possible on both right/left-hand configurations without modification.
Compatible with panic features on active leaf when required.
How it works
The selector bar synchronizes the closure of both door leaves by holding the active leaf open until the passive is closed. Hydraulic mechanisms allow adjustment for closing speed, latching action, and provide controlled cushioning during operation. Settings are accessed directly from the front after installation.