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Metal non-return valve

Project Wind
Air diffusion

The non-return valve for circular ducts prevents reversal of the air flow in the ventilation ducts.
The butterfly valve opens when overpressure occurs in the duct.
By means of a dedicated spring the butterfly will return to the closed position once the pressure has been lowered.

TECHNICAL SPECIFICATIONS:

• Made of metal
• Valve body made of galvanized steel
• Butterfly valve

Models

Available Models (5)

11161820

METAL NON-RETURN VALVE Ø 100 mm

Measurement	100
Ø d [mm]	99
L [mm]	88

11161821

METAL NON-RETURN VALVE Ø 125 mm

Measurement	125
Ø d [mm]	124
L [mm]	88

11161822

METAL NON-RETURN VALVE Ø 150 mm

Measurement	150
Ø d [mm]	149
L [mm]	88

11161823

METAL NON-RETURN VALVE Ø 160 mm

Measurement	160
Ø d [mm]	159
L [mm]	88

11161824

METAL NON-RETURN VALVE Ø 200 mm

Measurement	200
Ø d [mm]	199
L [mm]	88

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Documentation

Immagine IMG_11161820.jpg

Technical Data Sheet

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