Douglas
Douglas BB Bimetallic Thermostatic Steam Traps
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BIMETALLIC THERMOSTATIC
The operating principle is based on a balance between the steam force ( pressure related ) trying to open the discharge valve and the bimetal force ( temperature related ) which acts to close it. At saturated steam temperature the bimetal force keeps the valve closed, while with subcooled condensate the pressure opens the valve.
MAIN FEATURES
Free air discharge. Suitable on superheated steam. It withstands frost and waterhammer. Modulating discharge only with condensate.
APPLICATIONS
? Tracing lines
? Marine applications
? Turbines
? Steam mains
? Tanks
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