13
Figure 5: Boiler Tapping Locations and Usage (Knockdown Boilers Only)
PURPOSE OF TAPPINGS
Tapping
Location
Size
NPT
Steam Boiler
Water Boiler
Non-Heater
w/Heater
Non-Heater
Front Heater
Rear Heater
A
¾"
Pressure Limit (Probe LWCO)
Plugged (Float LWCO)
L7248
Boiler Control
L7224
Boiler Control
Flush Plug
B
¼"
Pressure Gauge
Temperature/Pressure Gauge
C
¾"
Probe LWCO Std.
Plugged (Float LWCO)
N/A
C-C
¾"
Flush Plug
Flush Plug
N/A
D
½"
Water Gauge Glass (Probe LWCO)
Water Gauge Glass, Pressuretrol, and LWCO (Float)
N/A
F
¾"
N/A
L4006A Operating Control
N/A
N/A
L7224
Boiler Control
G
1½"
Bushed to ¾" for Drain Valve (Optional Return)
Return
H
1½"
Return
Plugged
J
1½"
Surface Blowoff - Plugged
Flush Plug
K
2"
Front Supply (3 thru 9 Section)
Front Supply (3 thru 9 Section)
L
2"
Plugged, Optional Second Supply (3 thru 5 Section)
Required Second Supply (6 thru 9 Section)
Plugged (3 thru 9 Section)
M
¾"
Safety Valve
Relief Valve
P
¾"
Auxiliary Tapping - Plugged
Aux. Tapping -
Plugged
N/A
Aux. Tapping -
Plugged
R
¾"
Aux. Tapping - Plugged
(Indirect Return)
Aux. Tapping - Plugged
(Indirect Return)
*
Auxiliary Tapping - Plugged
S
½"
Indirect Limit
Indirect Limit
*
N/A
T
1"
Indirect Supply
Indirect Supply
*
N/A
*
In lieu of Tankless Heater
SECTION III: KNOCKDOWN BOILER ASSEMBLY (continued)
Содержание V8H SERIES
Страница 76: ...76 Bare Boiler Assembly Continued SECTION XVI Repair Parts continued ...
Страница 78: ...78 Jacket Assembly SECTION XVI Repair Parts continued ...
Страница 80: ...80 V8H3 Thru V8H9 Steam Boilers Trim and Controls SECTION XVI Repair Parts continued ...
Страница 82: ...82 V8H3 Thru V8H9 Water Boilers Trim and Controls SECTION XVI Repair Parts continued ...
Страница 84: ...84 Beckett AFG Burner SECTION XVI Repair Parts continued ...
Страница 94: ...94 SERVICE RECORD DATE SERVICE PERFORMED ...
Страница 95: ...95 SERVICE RECORD DATE SERVICE PERFORMED ...
Страница 96: ...96 U S Boiler Company Inc P O Box 3020 Lancaster PA 17604 1 888 432 8887 www usboiler net ...