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ls391 side mounted chamber level control switches mercoid

Heavy duty and low cost is the perfect description for the 391 Series level control. Stainless steel switching mechanism uses gravity return action instead of springs for long life. Weather proof enclosure standard. Welded steel chamber is good for 650 psig (45 bar) at 600oF (315oC)

Applications
Oil refineries, chemical plants, power generating stations, pumping stations, heat transfer systems, sanitary / waste water facilities, drip legs, hydraulic systems, boilers

ls391 side mounted chamber level control switches mercoid
Compact, Low Cost
Hermetically Sealed
Snap Switch Option

Service
Compatible liquids

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

Weight
10 lb (4.5 kg)

Mounting Orientation
Vertical

Agency Approvals
UL

Electrical Connections
Screw terminal

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

Specific Gravity
0.8 minimum. Optional 0.7 minimum.

Conduit Connections
¾" female NPT

Process Connections
1" female NPT
Optional 1" socket weld hub or flange connections

 

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