Measurements at swirl outlets without the volume flow straightener lead to lower or higher measurement results, depending on the flow direction in which the swirl impacts onto the vane.Testovent 417 flow straigthener set The volume flow straightener allows redirection of the swirling flow to an almost uniform flow which can then be reliably recorded with a vane anemometer or vane probes..
Safety Sign Emergency Exit, Horizontal Rectangle, Number of Printed Sides 1, English, Sign Format Traditional OSHA, Sign Legend Keep This Doorway Free Of Obstructions So Fire Doors Can Close, Sign Legend Background Color White, Sign Legend Style Text.