Engine Fluid Level Switches and Maintainers

Murphy fluid level products offer a wide variety of instruments for the monitoring and automatic maintaining of engine oil, coolant and fuel levels. We also offer fluid level switches and control valves for gas compressor scrubbers, and for monitoring tank or marine bilge levels.

From engines to compressors, you can count on Murphy products to protect your equipment at all times.

Engine oil level maintainers:

LM500 oil level maintainer LM500, LM500TF
Oil level maintainer with sightglass, low level snap-switch and test facility.


LM300 oil level maintainer LM300 series
Level maintainer with sightglass for larger engines.


LR579 oil level regulator LR579, LR589 (info from FW Murphy Production Controls at www.fwmurphy.com)
Oil level regulator for lubricators.



Engine fuid level switches:

L100 oil level switch L100, L120, L127, L128
Float actuated, low oil level switches for small engines.


L129 / L129CK1 oil level switch L129, L129CK1
Float actuated, high and low oil level Swichgage® instruments with sightglass.


EL150K1 fluid level switch L150, EL150K1, EL150EX
Float actuated, low fluid level switch, for oil, fuel or water.


L971 crankcase oil level switch L971
Crankcase oil level switch for hazardous area use.



Gas compressor scrubber fuid level controls:

The following info from FW Murphy Production Controls at www.fwmurphy.com:

MLS liquid level controls for gas scrubbers MLS
Liquid level switches for gas compressor scrubber applications, with magnet actuation for seal-free operation.


LS200, LS200N, LS200NDVOR, L1100 level controls for gas scrubbers LS200, LS200N, LS200NDVOR
Liquid level switches for gas compressor scrubber applications, electric or pneumatic operation


DVU dump valves for gas scrubber applications DVU
Gas compressor scrubber dump valves for use with pneumatic level switches



Tank/bilge fluid level switches:

The following info from FW Murphy Production Controls at www.fwmurphy.com:

DF755 hydrostatic level switch DF755, DF757
Hydrostatic head level switches.


BLSK1 bilge level switch system switch BLSK1
Bilge level switch system.



See also:

EG(S) electric gauge and SwichgageElectric gauge & Swichgage®
Including fuel level gauge, Swichgage® and resistive level senders


J1939 PowerView gaugesCANbus J1939 gauges
Analogue indication of J1939 fuel level data


FuelCAN sender to CAN j1939 converterFuelCAN™
Converts resistive fuel sender signals into CAN J1939 data