DORMA RTS88 Overhead Concealed Door Closer

Product Overview

The RTS88 is a compact overhead concealed door closer designed for seamless integration into aluminum, wood, or hollow metal door frames.

Its hidden installation maintains a clean architectural appearance while delivering reliable performance for both interior and exterior doors.

Product Features

• Concealed Design: Installed within the door header for a clean, hidden finish
• Compact Size: Fits 1-3/4" × 4" frame headers
• Adjustable Opening: Maximum swing of 90° or 105° depending on configuration
• Temperature Control: Separate sweep and latch valves for consistent closing speeds
• Pressure Relief: Protects internal mechanism from forced closing
• Cushion Feature: Reduces impact at opening limits

Technical Specifications

• Door Weight Capacity: Up to 250 lb (113 kg) interior / 200 lb (91 kg) exterior
• Door Width: Up to 4' interior / 3'-6" exterior
• Installation Type: Overhead concealed
• Compatible Frames: Aluminum, wood, and hollow metal

Important Notes

• Ensure proper frame preparation before installation
• Adjust closing speed according to application requirements
• Suitable for both commercial and residential use

Technical Documents

View & Download RTS88 Technical Data Sheet (PDF)