A0-6 Assembly 1 min 17 s
EI fire damper workshop
Details
Question answered: How are Starduct EI fire dampers made, and in what volume?
EI 120 Measured (test report)
S-MFSD-L210-C
Extended combination fire damper with Belimo actuators
Assembly of single-blade S-MFSD-L210 modules (each ≤ 1200 × 800) with 174 mm mullions, mounted on the wall between two fire compartments; each module closes by spring return on power loss or fire alarm
Technical description
| Model code | S-MFSD-L210-C |
|---|---|
| Type | MFD · actuator |
| Fire class | EI 120 (measured EI 136) |
| Production sizes | W 500–2500 × H 500–1700 mm |
| Release | FSLF24-S |
| Casing length | L = 210 mm |
| Flange | (W + 164) × (H + 164) mm · TDC |
| Order code | S-MFSD-L210-C-2000x1600-TDC-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 | 0280-2024/TNCL |
|---|---|
| Laboratory | VLAT-2.0552 – Centre for Applied Research of Fire Science & Technology, University of Fire Prevention and Fighting |
| Date | 2024-05-21 |
| Standard | ISO 21925-1:2018 + TCVN 9311-1:2012 |
| Specimen | 2374 × 1774 mm |
| Measured | EI 136 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 |
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Production & QC
Process-stage videos
P8 Third-party testing 2 min 17 s
Two-sided fire test of an insulated fire damper to EN 1366-2
Details
Question answered: Were tests really done, where, and for which models?
Production & QC documents (ITP, procedures, sample records)
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