MANDÍK FDMB Fire Damper

Categories Fire Dampers, Fire Dampers-MANDIK

MANDÍK FDMB Fire Damper

A rectangular fire damper designed for HVAC ducts, providing certified 120-minute fire and smoke protection. Engineered for rectangular ductwork from 100x100mm to 1000x500mm, it ensures reliable compartmentalization in commercial and industrial buildings with flexible mechanical or electrical actuation.

Product Description

Key Features & Benefits

120-Minute Protection
EI 120 S certified fire and smoke barrier for rectangular duct penetrations.
Flexible Actuation
Mechanical fusible link or electrical actuator options for different system needs.
Rectangular Design
Specifically made for rectangular ducts from 100x100mm to 1000x500mm.
Space-Efficient
Fits standard rectangular ductwork commonly used in modern building designs.
Durable Construction
Corrosion-resistant materials with cycling endurance up to 10,000 operations.
Full Certification
CE certified, tested to EN 1366-2, and classified per EN 13501-3 standards.

Technical Specifications

Size Range

Rectangular dimensions: 100×100 mm to 1000×500 mm (H×W).

Fire Rating

Fire resistance: EI 120 S (120 minutes integrity, insulation & leakage control).

Standards

CE Certified. Tested per EN 1366-2. Classified per EN 13501-3+A1.

Leakage Class

External Casing: Leakage Class A (TC 3). Internal (Closed): Leakage Class 2 (EN 1751).

Performance

Max Air Speed: 12 m/s. Pressure Diff: Up to 1200 Pa. Cycles: Cmod or C10,000 per actuator.

Actuators

Mechanical: Fusible link. Electrical: 24V/230V motor for system integration.

Installation & Integration

Rectangular Duct Mounting

Designed for direct installation in standard rectangular ductwork at fire barriers.

Electrical System Connection

Electric models connect to fire alarm control panel for automatic emergency closure.

Mechanical Fall-Safe

Mechanical versions provide automatic closure via fusible link without external power.

Access & Maintenance

Requires inspection access for periodic testing, visual checks, and resetting.

Hazardous Environments

Suitable for installation in explosion-hazard areas when correctly specified.

Use Cases