Polypropylene ventilation valve diffuser. The air flow rate is adjusted by screwing (reducing the flow rate) or unscrewing (increasing the flow rate) the central disc.
• MATERIAL: polypropylene
• COLOUR: RAL 9016 white.
• FASTENING: ceiling-mounted or fitted directly on the ventilation or return duct in service rooms
• INSTALLATION HEIGHT: 2.5 – 4 m
• USE: suitable for injecting or extracting air into/from small rooms (bathrooms, kitchens); it can also be used as return terminal in medium-large rooms.
Adjustments and maintenance. The central disc is easy to remove by unscrewing the fastening nut and the central pin.
The air flow rate is adjusted by turning the disc away from (increasing the flow rate) or towards (reducing the flow rate) the external neck