Fire Damper for Rectangular and Circular Ducts • Type-approved and compliant with the EN 1366-2 and EN 13501-3 standards. • Design for installation in separating concrete and masonry walls and ceilings and lightweight plasterboard walls of fire compartments with fire resistance class EIS 30 to EIS 120. • Readiness for installation with all wall options as delivered - no additional frames needed. • Manufactured in accordance with the ISO 9001 quality system. • VTT, the Technical Research Centre of Finland, is responsible for external quality control. • Installation in rectangular and circular ducts with diameter 630 to 1000 mm. • Available with motorised or manual actuator. • Double sealing, ensuring that the blades are tight when the fire damper is closed before and during a fire. • Fire damper casing complying with the tightness requirements for Class C, EN 1751. • Fire damper tightness meeting smoke damper requirement S of standard EN 1366-2. • Suitability for use in ducts with a maximum pressure of 2800 Pa. • Damper closing tests performed at 15 m/s duct velocity. Product models and Accessories • Models equipped with either manual or electric actuators.

W/H: 200, 250, 300, 400, 500...1000 When the damper is installed on concrete and masonry walls or ceilings, the size of the installation hole is W/H + 100 mm. When the damper is installed on lightweight walls, the size of the installation hole is W/H + 110 mm. FDR 0 WxH D-1 La Lb C L L+2xC Pressure drop and sound data Sound power level Lw, in in each octave band is computed bu adding the corresponding correction factor, Kok, to the sound pressure level in the selection chart according to the following equation. Lw = LpA + Kok The corresponding factor Kok is the average of...

FDR - Fire Damper for Rectangular and Circular Ducts 3

The FDR fire damper casing, installation flange, and installation frame are made of galvanised steel. The closing blade is made of calcium silicate and equipped with a flexible silicone seal as well as a graphite mass seal that expands at high temperatures. Product options and Accessories Actuators Manual actuator, MA (spring return) Electrical actuators Models for Europe and Russia: Belimo BF24-T-2 HL, operating voltage AC/DC 24 V (72 Manual actuator accessories Fuse release temperatures, FU = 50 °C, 65 °C, 72 °C, 100 °C Limit switches, open and closed position, MS Function The FDR is a fire...

an installation flange, which is used to fasten the fire damper to the concrete surface with screws before grouting. During installation, the fire damper and actuator must be protected with, e.g., a plastic cover. The correct operation of the fire damper must be ensured before and after grouting. When the damper is installed for concrete and masonry walls and ceilings, the size of the installation hole is W/H + 100 mm. Installation on lightweight plasterboard walls When the fire damper is installed on lightweight plasterboard walls between fire compartments, an opening for the fire damper must...

800, 900, 1000 A = A: 600 A = B:800 A = C:1000 H = Height A = R: 200, 250, 300, 400, 500, 600, 700, 800, 900, 1000 A = A: 600 A = B:800 A = C:1000 Specifics and Accessories RE = Release type MA Spring release B1 BF24-T-2 HL fuse 72 °C (E and R models) B2 BF230-T-2 HL fuse 72 °C (E and R models) B5 BF24 HL, no fuse (S model) B6 BF230 HL, no fuse (S model) FU = Fuse release temperature (°C) 50 °C, 65 °C, 72 °C, 100 °C AC = Accessories MS Limit switches N1 Safety mesh, 1 side, installed in actuator side N2 Safety mesh, 2 sides Code example FDR/E-R-200-200, RE=MA, FU=72 FDR - Fire...