PFR-C Fume Hood Control Valve data sheet ... (PDF)
The PFR-C venturi valves are designed for Fume Hood Extract Systems - Fume Benches - and Special Laboratory Applications. The valve is made to high precision in hot forming dies and consists of an air tight shut off damper to Din 1946 Part 4 and a Venturi air volume measurement device. A motor and controller bracket is welded to the valve as well as the studs to mount the power supply socket and communication terminal box. The Valve is complete with actuator, controller and remote operator panel. It is factory pre-commissioned and has all the components needed to simply install a new system or retrofit existing fume hood systems.