Typical Piping For Steam Heating - Xylem Bell & Gossett Hoffman Speciality Series Engineering Data Manual

The piping and radiator connections shown in this section are
diagrammatic and illustrate the proper method of making piping
connections. They are not dimensional and cannot be scaled for
pipe size or product size.
Two pipe steam systems radiator connections
Radiator connections
taken from up or
downfeed risers
SUPPLY VALVE
SUPPLY MAIN
Connections to radiator wall panel
Connections to ceiling radiator located above supply & return
Connections to ceiling radiators with return bled into wet return
TRAP
RETURN MAIN
SUPPLY MAIN
SUPPLY
VALVE
DRY RETURN
SUPPLY VALVE WITH CHAINPULL
SUPPLY MAIN
SUPPLY VALVE WITH CHAINPULL
SUPPLY MAIN
Dripping heel of
DOWN FEED RISERS
downfeed riser
into dry return
MINIMUM COOLING LEG 5'-0" LONG
DRY RETURN MAIN
FULL SIZE OF
TAPPING
REDUCING TEE
TRAP
DRY RETURN
FULL SIZE
OF TAPPING
REDUCING ELL
NOT LESS THAN 24 "
WATERLINE OF BOILER
NO-PRESSURE WET RETURN
Typical Piping
for Steam
Heating
SUPPLY VALVE
TRAP
TRAP
TRAP
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