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Magnetrol Pneumatic Tuffy

The Magnetrol Pneumatic Tuffy liquid level switch is a compact pneumatic level switch designed for horizontal mounting in a tank or vessel through threaded or flanged pipe connections.

Measurement Principle:
Buoyancy force of process liquid on a float causes the float to move with the liquid's surface. Float movement pivots a magnet into the field of a like-charged switch magnet. As the magnets repel each other, the switch magnet moves, actuating the switch.


All 316 SS (1.4401) wetted components
Process pressures to 103 bar (1500 psi)
NACE and/or ASME B31.3 construction
Specific gravity as low as 0,40
2" NPT mounting
Process temperatures from -40 C (-40 F) to +150 C (+300 F)


Sour service (NACE)
Day storage tanks
High/low alarm
Clean liquids
Process vessels
Skids and OEM use


Specific gravity rating
Carbon steel and stainless steel external mounting cages
Variety of thread-on flanges

[1.17551844-118.pdf click here to view file attachment]