avr-datasheet-21241

SUPPLY AND EXHAUST
PLASTIC AIR DISK VALVES

A…VR Application
Series • For supply and exhaust ventilation, air conditioning and heating.
• Mounting in false ceilings or walls.
• Used to arrange correct air circulation in premises.
Design
• Made of high quality plastic (ABS plastic or polystyrene).
• Special aerodynamic disk valve design ensures uniform air distribution.
• Smooth air pass regulation due to rotation of central part of the damper.
• Easy mounting with fixing lugs.
• The internal part has a sealing ring for more tight fit.

Grille modifications

A 80 VR, A 100 VR, A 125 VR, A 150 VR, A 200 R – basic modifications

• Equipped with fixing lugs for easy connection to
Ø 80/100/125/150/200 mm round air ducts.
• Modification may include F 80 – F 200 flange (available upon
separate order).

A 200 VR – two-element model

• Equipped with fixing lugs for easy connection to Ø 200 mm
round air ducts.
• Two regulating elements for more perfect air flow
distribution.
• Modification may include F 200 flange (available upon
separate order).

Overall dimensions

Dimensions [mm]
Model Damper normal Air pass, [m2] Fig. no.
D D1 D2 D3 H max H1 H2
pitch, mm
A 80 VR 80 64 90 132 50 34 16 0...8 0...0.002 1
A 100 VR 100 84 90 148 65 44 26 0...20 0...0.006 1
A 125 VR 125 105 110 166 70 40 20 0...22 0...0.008 1
A 150 VR 150 125 128 200 80 50 30 0...23 0...0.009 1
A 200 R 200 177.6 183 246 80 53 33 0...16 0...0.009 1
A 200 VR 200 177.6 128 246 80 53 33 0...19 0.001...0.008 2

Fig. 1 Fig. 2

230 VENTS. Domestic ventilation. Catalogue №6 | 2022-05

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Technical parameters

The internal part of the air disk valve is pulled out to ensure the required clearance S (mm) (fig. 3) to provide required
air flow according to the diagram.

Fig. 3

VENTS. Domestic ventilation. Catalogue №6 | 2022-05 231