Instrumentation
Level Switches, Alarms
Cast Iron Chamber    -   Water Level Control Flanged Chamber Type Level Control  102/1102
           Series 123/125
Pressure to 400 psig, Temperature to 
Designed for boiler applications, the  425°F, Hermetically Sealed Switches, 
Model 123 is primarily used for low  Series 102 Minimum Specific Gravity: 
water cut-off or feed-water control.  0.60, Series 1102 Minimum Specific 
Other applications include condensate  Gravity: 0.40.  By unique design, you 
tanks and deaerators. A special snap  can remove just four bolts from the 
action switch mechanism eliminates  inspection plate to examine the float 
frequent operation due to surging  and chamber for cleaning or wear 
water level.  without disconnecting the piping .
Insertion Type Level Control   Series 500 Torque Tube Type Level Control   Series 75
Adjustable deadband combined with  Series 75 design eliminates O-rings .
direct 2-1/2" threaded or 2-1/2" flange  Float assembly removes easily from 
mount makes the reliable, heavy duty  chamber for periodic inspection.
500 Series ideal for liquid level control  Cast iron chambers are available for 
in large or small tanks. Float rods are  pressure to 300 psig at 425°F. Cast 
available from the standard 6" upto 24"   steel and 304stainless steel chambers 
long providing action down to a  are rated for 400 psig at 500°F.  
specific gravity of 0.55. 2-1/2" float is  All types will operate to a minimal 
suitable for pressure of 400 psig  specific gravity of 0.66.