RS PRO Diffusion Valve, 137mm Diameter

RS PRO Ceiling Vent Air Diffuser. Complete your ceiling air supply installation with these air diffusers. Our air diffusion valves are compatible with rigid or flexible ducting, easy to install and are constructed from two component parts that include a diffuser and spigot mount plate. How do you install an air diffusion valve?. First create a hole in the ceiling with the appropriate diameter, insert the mounting plate and secure it with screws, and insert the diffuser rotating clockwise until it locks in place. To adjust the airflow rotate the valve and the air will escape at a 90° angle passing along the ceiling or wall. Features and Benefits. ;ul> ;li>Circular supply air valve ;/li> ;li>Outlet frame cone and central diffuser ;/li> ;li>Mounting plate ;/li> ;li>Fits into a mounting ring secured to ceiling or wall, with the ducting attached. 2 sizes available, for 100mm or 150mm ducting. ;/li> ;li>Gasket forms an airtight seal ;/li> ;li>With 1/4 turn bayonet fixing for quick removal and an adjustable setting with locknut ;/li> ;li>Airflow is adjusted by rotating the control disc ;/li> ;li>Male spigot will fit inside ;/li> ;li>Aesthetically pleasing wipe-clean design ;/li> ;li>Suitable for internal use in compliance ;/li> ;/ul>. RS PRO Ceiling Vent Air Diffuser Variants - Available Separately. ;ul> ;li>137 mm x 47 mm, 100 mm duct, RS Stock no: ; 185-4684 185-4684 ;/li> ;li>202 mm x 60 mm, 150 mm duct, RS Stock no: ; 185-4690 185-4690 ;/li> ;/ul>. Applications. ;ul> ;li>Commercial ;/li> ;li>Industrial and domestic ventilation ;/li> ;li>Hotels ;/li> ;li>Flats ;/li> ;li>Halls of Residence and Hospitals ;/li> ;/ul>