Flow Switch

The paddle type SPDT WFS series are designed to provide excellent performance where accuracy, reliability, and rugged construction are required used in liquid flow lines carrying water or any fluid n either harmful to brass and prosphor bronze nor classified as a hazardo us fluids.

They can be wired to close one circuit and open a second circuit when liquid flow either exceeds or drops below the adjusted flow rate . The WFS series are recommended for liquid pressure and temperatu re as mentioned below and must not be used on lines carrying liquid s below 0 oC.

These series may be used on liquids with high salt or chlorine c ontent but is not for use in hazardous atmospheres.
They may be also used outdoors but must be protected from weathe r or
splashing water.
All series WFS flow switches are designed for use only as operat ing
controls.
Where an operating control failure would result in personal inju ry and/or loss of property, it is the responsibility of user to add safety devices that protect against, or supervisory systems that warn of control fai lure.