FDMA

Characteristics

Dampers from 180 × 180 mm to 1 600 × 1 000 mm

CE certified acc. to EN 15650

Tested in accordance with EN 1366-2

Classified acc. to EN 13501-3+A1

Fire resistance up to EIS 120

External Casing leakage class C / Internal leakage class 3 acc. to EN 1751

Corrosion resistant acc. to EN 15650

Cycling test in class C 10 000 acc. to EN 15650

Damper actuating mechanical or electrical

Maximum air speed through opened damper of 12 m/s and pressure difference 1200 Pa

Can be used in explosion-hazard environments

Quick Comparison

Settings	FDMA remove	D remove	O remove	FDMB remove	E17 remove	BT remove
Name	FDMA remove	D remove	O remove	FDMB remove	E17 remove	BT remove
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Description	FDMA FDMA – The Damper in the HVAC equipment duct that prevents the spread of fire and combustion products from one fire segment to another by shutting off the airflow at the fixture points.	D Multiple leaf air volume control damper for installation in the majority of grilles or diffusers. Made by aluminium. With simultaneously opposite rotated blades. The regulation is possible from the front of the grille/diffuser with screwdriver or a handle.	O Ceiling diffuser, square or rectangular, with fixed blades in angle 45o (anemostat), for supply or extract air. With one (O1), two (O2), three (O3) or four (O4) way throw pattern. Accessible. Made by anodized aluminium. Electrostatic paint in RAL color is possible. For use in cooling cases or in heating if the installation height is small.	FDMB FDMB – The Damper in the HVAC equipment duct that prevents the spread of fire and combustion products from one fire segment to another by shutting off the airflow at the fixture points.	E17 Linear, light type, wall grille for supply or return air made by anodized aluminium. The blades are fixed and 12mm spaced. For throw straight or 15o deflected (E12-15ο) . Electrostatic paint in RAL color is possible. The blades are parallel to the first mentioned dimension.	BT Linear heavy type grille for floor installation made by anodized aluminium. For supply or extract air. The blades are fixed and the air jet is vertical to the grille face. Electrostatic paint in RAL color is possible. The blades are parallel to the first mentioned dimension.
Content	Characteristics Dampers from 180 × 180 mm to 1 600 × 1 000 mm CE certified acc. to EN 15650 Tested in accordance with EN 1366-2 Classified acc. to EN 13501-3+A1 Fire resistance up to EIS 120 External Casing leakage class C / Internal leakage class 3 acc. to EN 1751 Corrosion resistant acc. to EN 15650 Cycling test in class C 10 000 acc. to EN 15650 Damper actuating mechanical or electrical Maximum air speed through opened damper of 12 m/s and pressure difference 1200 Pa Can be used in explosion-hazard environments	Also is available in the following executions: D-ON/OFF 220V: Adjustable with electric actuator on/off 220V. DOWNLOADS D	Also is available in the following executions: O1/O2/O3/O4-D: With aluminium made, multiple leaf, air volume control damper with simultaneously opposite rotated blades. O1/O2/O3/O4-SX: With equalizing grid, made by aluminium, cosnsisted by one row of adjustable blades. O1/O2/O3/O4-D-SX: With aluminium made, multiple leaf, air volume control damper with simultaneously opposite rotated blades and equalizing grid, made by aluminium, consisted by one row of adjustable blades. All the above mentioned types of diffusers is possible to be installed in metal plate with external dimensions 595X595mm (-SPQ). In this case the plate and the diffuser are painted electrostatically in RAL color. This is possible for the nominal diffuser dimensions 150Χ150, 200Χ200, 230Χ230, 250Χ250, 300Χ300, 350Χ350, 380Χ380, 400Χ400 and 450Χ450. In this case the diffuser is not accesible. DOWNLOADS O O 595mm x595mm	Characteristics Dampers from 100 × 100 mm to 1 000 × 500 mm CE certified acc. to EN 15650 Tested in accordance with EN 1366-2 Classified acc. to EN 13501-3+A1 Fire resistance up to EIS 120 - 500 Pa External Casing leakage class C / Internal leakage class 3 acc. to EN 1751 Corrosion resistant acc. to EN 15650 Cycling test in class C 10 000 acc. to EN 15650 Damper actuating mechanical or electrical Maximum air speed through opened damper of 12 m/s and pressure difference 1200 Pa Can be used in explosion-hazard environments	Also is available in the following executions: E12(-15ο)-D: With aluminium made, multiple leaf, air volume control damper with simultaneously opposite rotated blades. E12(-15ο)-E: Accessible. E12(-15ο)-FA: With air filter. E12(-15ο)-D-E: Accessible and with aluminium made, multiple leaf, air volume control damper with simultaneously opposite rotated blades. E12(-15ο)-D-FA: With air filter and aluminium made, multiple leaf, air volume control damper with simultaneously opposite rotated blades. E12(-15ο)-E-FA: Accessible, with air filter. E12(-15ο)-D-E-FA: Accessible, with air filter and aluminium made, multiple leaf, air volume control damper with simultaneously opposite rotated blades. E12(-15ο)-Τ1Κ: With one row of vertical adjustable blades, made by aluminium, in the back of the grille. E12(-15ο)-Τ1Κ-D: With one row of vertical adjustable blades, made by aluminium, in the back of the grille and aluminium made, multiple leaf, air volume control damper with simultaneously opposite rotated blades. E12(-15ο)-SR: For direct installation in the side of round air duct. With galvanised frame. E12(-15ο)-SR-D: For direct installation in the side of round air duct and aluminium made, multiple leaf, air volume control damper with simultaneously opposite rotated blades. With galvanised frame. E12(-15ο)-SR-DΚ: For direct installation in the side of round air duct and flap type damper. With galvanised frame. E12(-15ο)-L: Without frame. E12(-15ο)-Τ1Κ-L: Without frame. With one row of vertical adjustable blades, made by aluminium, in the back of the grille. The types E12/E12-D/E12-FA/E12-D-FA/E12-Τ1Κ/E12-Τ1Κ-D (and in the -15ο versions) is possible to be installed in metal plate (-SPQ) with external dimensions 595X595mm. In this case the plate and the diffuser are painted electrostatically in RAL color. This is possible only for the nominal diffuser dimensions 100X100, 125X125, 150Χ150, 200Χ200, 250Χ250, 300Χ300, 350Χ350, 400Χ400, 450Χ450 and 500Χ500. DOWNLOADS E17 part 1 E17 595mmx595mm	Also is available in the following executions: ΒΤ-D: With aluminium made, multiple leaf, air volume control damper with simultaneously opposite rotated blades. DOWNLOADS BT Part 1 BT Part 2
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