SWT to mechanical flow switch flow velocity monitoring in ducts and pipes. Required the use of electric heating coils. Stable construction with stainless steel paddle and device for attachment to the outside of channels. Circuit NO or NC. Tripping at or exceeding the set flow rate (undershoots min. Approximately
5 m / s, exceeding of min. approx 3 m / s). Make: Helios No.: 8 Type: SWT ______________________________________