Description
Download SpecificationDescription
Motorised Fire Damper (Circular – KTM)
VDI 6022 hygienic standard Certification for assembly outside the wall up to 1 metre
EI 120 S fire damper according to UNI EN 1366-2 classification UNI EN 13501-3 certificate no. 1438-CPR-0509
CE marking – VDI 6022 hygienic certificate
- Construction: Z275 galvanised steel frame th. 10/10 male coupling for direct insertion into the duct, offset blade in calcium silicate mounted on steel shafts and brass bearings, intumescent gasket and perimeter gasket for tightness against cold fumes
- Vertical or horizontal installation
- Leakage Class B of the frame according to EN 1751
Fitted with:
- Manual version: with 72°C thermal fuse, spring return and microswitch
- Motorised version: actuators with 72°C thermal fuse, spring return, 24V and 230V dual microswitch
- Installations in walls with fire resistance classes EI 120/90/60 with blade installed in the wall or outside
- Ceilings th. 150 mm
- Low density masonry walls (min. 450 Kg/m3) with th. 115 mm
- Plasterboard walls th. 125 mm
- Outside the wall th. 120 mm up to 1 metre (EI 90S)
- Minimum distance wall or duct 10 mm
EI 120 (ve ho i < -> o) S
KTM (male connection) UP (external gaskets), frame 195 mm, with fuse and spring return
KTM-UP – W: frame 195 mm, with fuse, spring return and micro switch (W1 – W2 – W12)
- W1: limit switch on closing
- W2: limit switch on opening
- W12: limit switch opening and closing
KTM-E24T: with actuator with spring return, thermal fuse and
double opening and closing micro limit switch, 24V power supply, male connection, 307 mm frame
KTM-E230T: with servomotor with return spring, thermal fuse and
double opening and closing micro limit switch, 230V power supply, male connection, 307 mm frame
Special executions
- Execution in AISI 304/316 stainless steel
- Execution in galvanised steel coated according to the RAL table
- Blade treated with solvent-free, silicate-based impregnating agent, for acidic or very humid environments
- 95°C thermal fuse for motorised version
- Special executions for “cabin/container” metal structures with installation outside the wall
- Additional communication systems
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