Back

EI fire dampers

16 models · EI 30 to EI 180, fire tested to ISO 10294-1 / ISO 21925-1

Insulated fire damper with fusible link and torsion spring, combinable
EI 120 FD · fusible link
S-FSD-L210-0175.24
Insulated fire damper with fusible link and torsion spring, combinable

Symmetrical single-blade damper, 61.5 mm casing and blade, closed by torsion spring when the 70–74 °C fusible link releases; combinable for large ducts

W 200–2364 × H 200–1764 mm · 0175-2024/TNCL

Insulated fire damper with fusible link and torsion spring
EI 120 FD · fusible link
S-FSD-L210-0723.23
Insulated fire damper with fusible link and torsion spring

Symmetrical single-blade damper, 61.5 mm casing and blade, closed by torsion spring when the 70–74 °C fusible link releases; combinable for large ducts

W 150–1200 × H 150–800 mm · 0723-2023/TNCL

Insulated fire damper with fusible link and torsion spring
EI 120 FD · fusible link
S-FSS-L210
Insulated fire damper with fusible link and torsion spring

Symmetrical single-blade damper installed in a wall opening between two fire compartments; closed by a torsion spring when the 72 °C fusible link melts, no power supply needed

W 150–500 × H 150–500 mm · 0289-2024/TNCL

Insulated single-blade fire damper, Hoocon actuator
EI 180 MFD · actuator
S-MFD-FS-L400
Insulated single-blade fire damper, Hoocon actuator

Insulated single-blade damper, 400 mm casing, Hoocon 5 Nm spring-return actuator; EI 180 to EN 1366-2 / ISO 21925-1

W 150–600 × H 150–600 mm · EN 1366-2 · ISO 21925-1 fire test, Guangzhou (CN), 2026 — EI 180; report shown to customers directly

Insulated multi-blade fire damper with KLB actuator
EI 180 MFD · actuator
S-MFSD-M2/K
Insulated multi-blade fire damper with KLB actuator

Symmetrical multi-blade damper installed in the wall between two fire compartments, closing by spring return on power loss or fire alarm

W 150–1500 × H 150–800 mm · 0933-2026/TNCL-TT1

Insulated fire damper with Belimo actuator
EI 180 MFD · actuator
S-MFSD-S1/B
Insulated fire damper with Belimo actuator

Symmetrical single-blade damper installed in the wall between two fire compartments, closing by spring return on power loss or fire alarm

W 150–1500 × H 150–800 mm · 0884-2026/TNCL-TT1

Insulated corridor fire damper with Belimo actuator
EI 120 MFD · actuator
S-MFSD-L210
Insulated corridor fire damper with Belimo actuator

Symmetrical single-blade damper mounted on the face of a fire wall (fire side or non-fire side), closing by spring return on power loss or fire alarm

W 150–1200 × H 150–800 mm · 0204-2024/TNCL

Extended combination fire damper with Belimo actuators
EI 120 MFD · actuator
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

W 500–2500 × H 500–1700 mm · 0280-2024/TNCL

Insulated fire damper L600 with Belimo actuator
EI 120 MFD · actuator
S-MFSD-L600
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.

W 150–1200 × H 150–800 mm · 064.22.KC.NCPCC

Insulated combination fire damper L600, 1200 × 800 modules
EI 120 MFD · actuator
S-MFSD-L600-C
Insulated combination fire damper L600, 1200 × 800 modules

Four 1200 × 800 modules joined 2 × 2 with 80 mm joints, each module with its own blade and actuator. For large single openings up to 2480 × 1680 mm.

W 1280–2480 × H 880–1680 mm · 066.22.KC.NCPCC

Insulated fire damper L600, two blades, one Belimo actuator
EI 120 MFD · actuator
S-MFSD-L600-D
Insulated fire damper L600, two blades, one Belimo actuator

Two modules side by side in one casing, 100 mm mullion, two 58 mm blades driven by one actuator. For openings up to 2000 × 1000 mm.

W 1250–2000 × H 150–1000 mm · 332.22.KC.NCPCC

Multi-blade fire damper EI120
EI 120 MFD · actuator
S-MFSD-MB
Multi-blade fire damper EI120

Parallel multi-blade damper installed in the wall between two fire compartments, closing by spring return on power loss or fire alarm

W 150–800 × H 150–1200 mm · 0838-2025/TNCL-TT1

Insulated fire damper with Belimo actuator
EI 60 MFD · actuator
S-MFSD-WB
Insulated fire damper with Belimo actuator

Symmetrical damper, one blade per compartment (two compartments for W > 1200 mm), installed in the wall between two fire compartments, closing by spring return on power loss or fire alarm

W 150–1500 × H 150–600 mm · 0839-2025/TNCL-TT1

Insulated fire damper with KLB actuator
EI 60 MFD · actuator
S-MFSD-WF
Insulated fire damper with KLB actuator

Two symmetrical blades in two sections (W > 1200 mm), installed in the wall between fire compartments, closing by spring return on power loss

W 150–1500 × H 150–600 mm · 0723-2025/TNCL-TT1

Insulated multi-blade make-up air fire damper
EI 60 MFD · actuator
SAFD-H-L210
Insulated multi-blade make-up air fire damper

Parallel multi-blade damper installed in a wall opening between two fire compartments, supplying make-up air for smoke extraction; 2–10 V control, spring-return closing on power loss

W 150–1200 × H 150–800 mm · 0230-2024/TNCL-TT2

Insulated multi-blade make-up air fire damper, vertical blades
EI 30 MFD · actuator
SAFD-L210
Insulated multi-blade make-up air fire damper, vertical blades

Vertical multi-blade damper installed in a wall opening between two fire compartments, supplying make-up air for smoke extraction; spring-return closing on power loss

W 150–800 × H 150–1200 mm · 0127-2024/TNCL-TT2

Specification suggestions

Model specification clauses for this product line, ready for the consultant's tender documents: view, copy or print. The neutral version names no brand; the Starduct version adds a reference-product block with test report numbers.

Together with the general section: P15 – General requirements for all products