Insulated fire damper L600 with Belimo actuator

One damper, one 58 mm insulated blade, 600 mm casing, installed in the wall between two fire compartments. Fail-safe closing on power loss, status via auxiliary switches.

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Insulated fire damper L600 with Belimo actuator

Technical description

Model code	S-MFSD-L600
Type	MFD · actuator
Fire class	EI 120 (measured EI 120)
Production sizes	W 150–1200 × H 150–800 mm
Release	FSLF24-S
Casing length	L = 600 mm
Flange	(W + 100) × (H + 100) mm · TDC-V40
Order code	S-MFSD-L600-1000x600-TDC-V40-EI120

Source: Measured (test report) · EI and leakage during the fire test: measured values from the test report. Free area ratio, ΔP, airflow and closed-damper leakage by size: calculated by the engine, outside the scope of the fire-resistance certification.

Testing

Test report	064.22.KC.NCPCC
Laboratory	Fire Safety Laboratory FSE (LAS-XD 416) – Vietnam Institute for Building Science and Technology (IBST)
Date	2022-03-31
Standard	ISO 10294-1:1996 + TCVN 9311-1:2012
Specimen	1200 × 800 mm
Measured	EI 120 min · leakage during the fire test (test report §6.3)
Material test	MgSO₄ board 10 mm (casing and blades): Mould resistance, ASTM D3273-21 — 28 days, 32.5 °C, 95 % RH Exposed (smooth) face rating 10; inner (mesh) face, pressed against the steel, rating 9 Vietnam Institute for Building Materials (VIBM) – VILAS 003 · 5391/VLXD-TTMT&CKXD · 22/10/2026 Test outside the laboratory’s VILAS accreditation scope