Motorised Fire Damper Circular (KTM)

Description

Download Specification

Description

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