One of our most versatile level controls, the model B-190 can be used on all types of tank or sump level control applications. Three porcelain displacers provide deadband adjustment. Units can start a sump pump (for example) when liquid reaches the high set point and turn the pump off when the level drops to the low set point. Unit works equally well in pressurized tanks. Two stage units also available.

Service
Compatible liquids

Wtted Materials
Cable, Spring and Stops: 316 SS
Optional inconel spring
Displacers: Porcelain
Optional 304 SS, 316 SS, or karabate (graphite)

Temperature Limits
32 to 200^oF (0 to 93.3^oC)

Pressure Limit
125 psig (8.6 bar)
Higher ratings available

Mounting Orientation
Vertical

Set Point Adjustment
Adjustable by moving displacers

Agency Approvals
UL and CSA

Deadband
Adjustable by moving displacers

Switch Types
SPDT Mercury
SPDT Snap
SPDT Hermetically Sealed Snap

Enclosure Rating
NEMA 4X
Optional general purpose or explosion-proof

Switch Type
SPDT snap switch, hermetically sealed snap switch, or mercury switch. Optional DPDT or two stage

Process Connections
4" 125 Cast Iron Flange
Other material, size, and rating flanges are available

Electrical Connections
Screw terminal

Conduit Connection
¾" female NPT

Weight
25 lb (11.34 kg)

Cable Length
10 ft (3m) standard. Optional up to 100 ft.

Specific Gravity
Standard is 1.0
Specify when ordering by replacing 1.0 in model number with specific gravity setting desired.
Settable range is 0.5 to 1.2

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