Factory supply and return header assembly — oil – Slant/Fin L-Series User Manual
Page 2
NOTE:
Shown reverse return (Preferred). For direct
return, header assembly piping connections
may be made at the same end of the boiler
bank, not as shown. Some governing agen-
cies do not allow compression type couplings.
Consult your local code requirements.
3'' RETURN HEADER
WITH 1
1
/
2
'' STUBS
(3 MODULE)
* 3'' BUILDING
PIPING
(BY OTHERS)
1
1
/
2
'' X 34'' SQUARE NIPPLE
1
1
/
2
'' X 30'' NIPPLE
CAST END CAP
WITH
3
/
4
'' TAPPING.
SUPPLY OR RETURN.
FOR USE WITH LWCO.
3'' SUPPLY HEADER
WITH 1
1
/
2
'' STUBS
(3 MODULE)
1
1
/
2
'' X 4'' NIPPLE
3'' PIPE X 20''
(BY OTHERS)
1
1
/
2
'' UNION
1
1
/
2
'' X 1
1
/
2
'' X 1
1
/
2
'' TEE
1
1
/
2
'' X
3
/
4
'' BUSHING
3
/
4
'' DRAIN VALVE
1
1
/
2
'' X CLOSE NIPPLE
1
1
/
2
'' ELBOW
3'' SUPPLY HEADER
WITH 1
1
/
2
'' STUBS
(2 MODULE)
*
3'' BUILDIING PIPE
CONNECTION
1
/
2
'' PRESSURE
TEMPERATURE
GAUGE
1
/
2
'' WELLS
3'' FLEX JOINT
(SEE DETAIL "A")
1
1
/
2
'' ELBOW
1
1
/
2
'' X 15'' NIPPLE
CAST END CAP
3'' RETURN HEADER
WITH 1
1
/
2
'' STUBS
(2 MODULE)
3'' FLEX JOINTS
(SEE DETAIL "A")
1
1
/
2
'' X 8'' SQUARE NIPPLE
1
1
/
2
'' FLEX JOINT
(SEE DETAIL "A")
1
1
/
2
'' X 4'' NIPPLE
CONTROL HEADER
3'' x
1
/
2
'' x
1
/
2
'' x
1
/
2
''
FACTORY SUPPLY AND RETURN HEADER ASSEMBLY — OIL
* Building piping must be rigidly secured so it cannot
move where connected to headers.