DORMA TS 77 Overhead Door Closer (EN 3/4)
The DORMA TS 77 Door Closer is a highly versatile, non-handed rack-and-pinion door closer designed for maximum reliability and ease of installation. Featuring a hydraulically fully controlled closing cycle, it provides the perfect economical solution for standard commercial and industrial doors.
This single model covers both Size EN 3 and EN 4 adjustments, accommodating standard doors up to 1100 mm in width. Whether you are looking for a complete assembly or a Dorma TS77 replacement part, this closer delivers optimal performance with an adjustable closing speed (180° - 20°) and a secure latching action (20° - 0°).
Key Technical Specifications:
- Force Sizes: Adjustable for EN 3 (up to 950 mm) and EN 4 (up to 1100 mm).
- Installation Options: Supports standard door leaf fixing (pull side), transom fixing (push side), and parallel arm setups.
- Controlled Closing: Fully independent valve adjustments for closing speed and latching action.
- Corrosion Resistance: High-grade surface finish for optimum protection in demanding environments.
- Optional Hardware: Available with an optional Dorma TS 77 hold open arm for temporary door hold-open needs.
*Note: For applications involving heavy exterior doors or significant wind resistance, please consider upgrading to the DORMA TS 83 series.