Magnetic float level switch TK1
for liquidsfor tankstainless steel

magnetic float level switch
magnetic float level switch
magnetic float level switch
magnetic float level switch
magnetic float level switch
magnetic float level switch
magnetic float level switch
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magnetic float
for liquids
for tank
stainless steel, aluminum
threaded, flange, side-mount, horizontal
Other characteristics
compact, reed switch, economical, explosion-proof
Process temperature

150 °C
(302 °F)

Min.: -40 °C
(-40 °F)

Max.: 149 °C
(300 °F)

Process pressure

103 bar
(1,493.89 psi)


The TK1 liquid level switches are float-actuated devices designed for horizontal mounting in a tank or process vessel through threaded or flanged connections. This low-cost switch is ideal for OEM applications where a single point high or low level alarm is desired All float operated liquid level controls operate on the basic buoyancy principle which states "the buoyancy force action on an object is equal to the mass of liquid displaced by the object." As a result, floats ride on the liquid surface partially submerged and move the same distance the liquid level moves. Because of this, they are normally used for narrow level differential applications such as high level alarm or low level alarm. Specific gravity as low as 0.40 Compact design For use on rising or falling level Reliable reed switch action All stainless steel construction OPTIONS 1½ or 2 inch process connections Hermetically sealed reed switch with optional four-wire dry contact relay 316/316L stainless steel or cast iron/aluminum enclosure material Type of contacts: SPST, SPDT or DPDT The TK1 achieves switching action through the use of a magnet attached to the float assembly and the magnet’s interaction with a reed switch. As the liquid level changes, the float and, therefore, the float magnet, moves. The proximity of the float magnet to the reed switch causes the switch to change state, making or breaking an electrical circuit.

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