Multi-Compartment Smoke Control Damper (Shaft Type) – SEDM-2D

Categories Smoke Control Dampers, Smoke Control Dampers - Mandik

Multi-Compartment Smoke Control Damper (Shaft Type) – SEDM-2D

A specialized, ultra-thin smoke shutter designed for vertical smoke shafts. Features zero standby power, instant 5-second opening, minimal 80mm built-in depth, and high-efficiency grilles. Ideal for protecting openings between floors and smoke extraction shafts.

Product Description

Key Features & Benefits

Ultra-Thin Shaft Design
Built-in depth of only 80mm (total 90mm), perfect for installation in thin shaft walls.
Zero Standby Power
Consumes no electricity while on standby, ensuring reliability and reducing operating costs.
Instant Opening
Opens and secures within 5 seconds for rapid response in smoke control situations.
High Pressure Resistance
Lightweight design rated for Pressure Class 3 (-1500 Pa / +500 Pa) for demanding shaft environments.
Large Effective Area
High-efficiency grilles (up to 95% free area) ensure optimal airflow when the shutter is open.
Easy Installation & Maintenance
Simple to install into various thin shaft wall materials, with wide availability of spare parts.

Technical Specifications

Size Range

350x300 mm to 1105x1105 mm (in 5 mm increments)

Built-in Depth

Only 80 mm (Total: 90 mm)

≤ 5 seconds (and securing)

Certification

CE per EN 12101-8

Fire Classification

EN 1366-10 (EN 13501-4)

Pressure Rating

Class 3 (Underpressure: -1500 Pa / Overpressure: +500 Pa)

Tightness (Closed)

Class 3 (EN 1751)

French Norms

NF 61.937-1 & NF 61.937-10

Installation & Control

Vertical Shaft Installation

Specifically for mounting in vertical smoke extraction shafts at each floor opening.

Power-Free Operation

No electrical connection required for standby or activation; typically uses a thermal (fusible link) release mechanism.

Safe Room-Side Design

All moving parts are concealed behind the grille on the shaft side, keeping the room safe.