General

Typical Piping For Steam Heating

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The piping and radiator connections shown in this section are diagrammatic and illustrate the proper method of making piping connections in steam heating processes.

Steam Trap

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1 Two pipe steam systems radiator connections

2 Piping connections for unit heaters (steam)

3 Two pipe– steam trap installations

4 Two Pipe Steam Systems Convector Connections

5 Exposed Pipe Coils– Two Pipe Steam

6 One pipe steam systems radiator connections

7 One pipe steam systems convector connections

8 One pipe steam systems convector connections

Two pipe steam systems radiator connections

Radiator connections taken from up or downfeed risers

Dripping heel of downfeed riser into dry return

Connections to radiator wall panel

Connections to ceiling radiator located above supply & return

Connections to ceiling radiators with return bled into wet return

Piping connections for unit heaters (steam)

Low pressure closed gravity system

Vacuum or low pressure open gravity system

High pressure system

Unit heater connections for two pipe gravity or vacuum system

Unit heater connections for two pipe gravity or vacuum system with supply branch dripped through trap

Two pipe– steam trap installations

Connections for upfeed risers

Dripping end of supply main into dry return

Method of reducing size of main

Dripping drop riser or end of main into dry return

Two Pipe Steam Systems Convector Connections

Exposed Pipe Coils– Two Pipe Steam

Connections to header coils of not over 8 pipes

Connections to header coils having more than 8 pipes

One pipe steam systems radiator connections

Upfeed connection to radiator

Downfeed connections with wet return

Downfeed connections dripping riser into condensation pump return

Radiator connection taken from up or downfeed riser

One pipe steam systems convector connections

Dripping end of one pipe steam main where same extends beyond wet return

Expansion joint made up of pipe for horizontal pipes–dripped into wet return

Expansion joint made up of pipe for horizontal pipes–not dripped

One pipe steam systems convector connections

Venting concealed radiator of header type–air vent tapping in top

Method of taking double radiator branch connections from riser

Method of reducing size of mains

Drop riser branch taken from top of main at 45°

Expansion joint made up of pipe for risers

Upfeed branch connection taken from main at 45°

Method of taking branches from mains

Drop riser taken from bottom of main

Looping dry return main around door

Riser branch taken from bottom of main and dripped into wet return

Steam Trap Explained Totally

Radiant Chilled Ceiling Selection