STEEL STRUCTURE PROTECTIVE EQUIPMENT

Manual/Electric Horizontal Steel Protective Airtight Door for Escape Opening of Utility Tunnel

Features

Features of escape opening door: The door leaf opens and closes smoothly and lightly; two operation modes (electric & manual) are available for free switching. It features large clear opening dimension and superior protective airtight performance.

Scope of Application

It is applicable to escape openings for personnel in underground utility tunnel projects, and can also be used for access of maintenance staff entering and exiting the tunnel interior.

Key Design Considerations

Construction and Installation Requirements

This manual/electric horizontal steel protective airtight door for utility tunnel escape opening consists of door leaf, primary rotating shaft, limit protrusion, hanging ring, door frame, maintenance cover plate, lead screw, reciprocating base, support arm, rocker arm, limit groove, hook, linear guide rail, drive motor, torsion spring, manual locking device, rotating handwheel, fixing latch and other components.

Product Specifications

Escape clear space: 1000mm × 1000mm

Motor power: 1.5kW

Overall dimension (Length × Width): 1500mm × 1600mm