Swastik Fire Protection

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 neither
harmful to brass and prosphor bronze nor classified as a hazardous
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 temperature
as mentioned below and must not be used on lines carrying liquids below
0
oC.
These series may be used on liquids with high salt or chlorine content
but is not for use in hazardous atmospheres.
They may be also used outdoors but must be protected from weather or
splashing water.
All series WFS flow switches are designed for use only as operating
controls.
Where an operating control failure would result in personal injury 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 failure.
Operating Pressure 10kgf/cm² (1000KPa)
Withstand Pressure 17.5Kgf/cm² (91750KPa)
Insulation Resistence Over 100 ohm , DC500VM
Withstand Voltage AC1500V/1minute
Contact Point Life 1000K Cycle
Bellows Life 500K Cycle
Temperature of Fluid Max 100C (212F)