ELECTRIC CONTROLS

** For More Electric Controls Available - See Pneumatic Controls **

The WellMark Series 790 Major Style side-mounted liquid level control which works on positive magnetic repulsion to complete and electrical circuit to pump, valve, alarm or other device, when the liquid level in the vessel rises (or lowers) to a predetermined point.

The WellMark Series 683, 686, 687 Major Style Float-switch which is a float type of control that completes an electrical circuit to a pump, valve, alarm or other device, when the liquid level in the vessel rises (or lowers) to a predetermined point -- 2 psi (atmospheric) to 1440 psi.

The WellMark Series 688 Major Style single point on/off level switch, which completes an electrical circuit to a pump, valve, alarm or other devise. This unit senses virtually any liquid and does not need adjustment when the vessel contents are changed. It will ignore foam, surge or splash to indicate true liquid level, with repeatability to 0.050 in. standard.

The WellMark Series 710, 720, 730, & 740 Major Style float-operated units designed for external mounting to the process vessel and provide high pressure capabilities with low specific gravity ratings within the petroleum, power and natural gas industries. These models provide reliable magnetic switching for level alarm or control function applications.
CSA APPROVED
Class I, Division I, Groups C & D
Class II, Groups E, F & G
Class III, Enclosure Type 4

The WellMark Series 750S Major Style side-mounted float operated Liquid Level Switch.  Positive magnetic repulsion feature enables the float movement to magnetically actuate an externally located electrical switch without seals or o'rings.

--Contact Factory for Details - Discontinued Item--

The WellMark Series 770S Major Style side-mounted float operated Liquid Level Switch to magnetically actuate an externally located electrical switch, eliminating conventional seals.

--Contact Factory for Details - Discontinued Item--

The WellMark Series 780 Major Style Hermetically Sealed Level Control, side-mounted float type liquid level control. This unit is used as a high or low level control. Also can be used to sound alarms or operate control equipment. 

The WellMark Series 810 Major Style Hermetically Sealed Level Control is a vertical mounted switch used to monitor "flow vs. no-flow". Its purpose is to operate valves, alarms, control pumps or any other electrical function. 

The WellMark Series W861 WellMark Style Hermetically Sealed Level Control is a side mounted float type liquid level control. This unit is used as a high or low level control. Also can be used to sound alarms or operate control equipment.