Multi-Blade Multi-Compartment Smoke Control Damper – SEDM-L

Categories Smoke Control Dampers, Smoke Control Dampers - Mandik

Multi-Blade Multi-Compartment Smoke Control Damper – SEDM-L

A large-format, multi-blade smoke control damper for extracting smoke from several compartments simultaneously. Features a compact construction depth (250mm), high fire integrity (EI 120 S), and is designed for integration into main ventilation ducts.

Product Description

Key Features & Benefits

Multi-Compartment Extraction
Manages smoke extraction from several fire-affected areas through a single, large damper unit.
Compact & Space-Saving Design
Construction length of only 250mm, ideal for installations with limited space in duct shafts.
High Fire Integrity (EI)
Rated EI 120 S (120 minutes integrity AND stability) & HOT 400/30, ensuring structural stability under fire.
Excellent Leakage Control
High leakage class ratings (External A, Internal Class 3) for efficient system performance and pressure maintenance.
Multi-Blade Construction
Multi-blade design for large cross-sectional areas (up to 1200x2030 mm) with reliable operation.
Electric Actuator Control
Equipped with an electrical actuator for reliable interface with central smoke control systems (AA/MA).

Technical Specifications

Size Range

Multi-blade dampers from 200×430 mm to 1200×2030 mm

Construction Depth

Only 250 mm

Certification

CE per EN 12101-8

Fire Classification

EI 120 S (EN 13501-4)

Heat Resistance

HOT 400/30 (400°C for 30 min)

Leakage Class

External: A -Internal: Class 3 (EN 1751)

Cycling Endurance

Class Cmod (EN 12101-8)

Max air speed

12 m/s

Max pressure

+500 Pa

Max underpressure

-1000 Pa

Installation & Control

Main Duct Installation

Designed for large main or sub-main smoke extraction ducts.

Space-Efficient

The short 250mm depth allows installation in tight spaces and shallow building cavities.

Central System Integration

Must be connected to a building's central smoke control management system.

Professional Commissioning

Requires expert setup to coordinate with zone controls and other system dampers.