The switch is usually used in places where interlocking or
brand new and high quality
STFS-25 fully sealed liquid switch can use different slurry according to the rate of installed pipeline.
When the liquid exceeds or falls below the set rate, its single-pole double-throw switch (SPDT) can make one circuit conduct, while cutting off the other circuit.
Used for sensing changes rate of liquids flowing through pipes, such as water, ethylene, or other non-hazardous liquids.