Custom Search
|
|
|
||
 Steam Trap Selection Guide (Continued)
TABLE B-3.
Alternate Choice
Primary Choice
Special Considerations
Application
Thermostatic
Thermostatic
Finned Radiation
Energy conservation
(constant pressure)
Resistance to wear
and Pipe Coils
Resistance to hydraulic shock
Float and thermostatic
Ability to purge system
(variable pressure)
Ability to handle dirt
Thermostatic
Tracer Lines
Method of operation
Thermostatic
Energy conservation
Resistance to wear
Variable load performance
Resistance to freezing
Ability to handle dirt
Back pressure performance
Shell and Tube Back pressure performance
Inverted bucket with Thermostatic
Heat Exchangers Gas venting
large vent
Failure mode (open)
(constant pressure)
Resistance to wear
Resistance to hydraulic shock
Float and thermostatic
Ability to purge system
(variable pressure)
Ability to handle dirt
Ability to vent gases at l o w
pressures
Energy conservation
Process Air
Energy conservation
Inverted bucket
Float and thermostatic
Heaters
Ability to vent gases
Ability to purge system
Thermodynamic
Operation against back pressure
Response to slugs of condensate
Method of operation
Steam Kettles:
Gravity Drain
Energy conservation
Inverted bucket
Thermostatic
Resistance to wear
Resistance to hydraulic shock
Ability to purge system
Ability to handle dirt
Thermostatic
Siphon Drain
Energy conservation
Resistance to hydraulic shock
Ability to vent air at low
pressures
Ability to handle air startup
loads
Ability to handle dirt
Ability to purge system
Ability to handle flash steam
8-17
|
 
|
|
|
||
