Crown Boiler 32 User Manual
Page 31
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Table 5
Figure 22: Steam Boiler Tapping Locations
Tapping Uses Chart For Steam Boilers
1
Component Description
Tapping
Tapping
Standard
CSD-1
Location
Size (in)
Equipment
Package
Supply Piping
A
3
N
N
Return Piping
B
3
N
N
Safety Relief Valves
(With Inlet Opening Up To & Including 1-1/2" NPT Inlet)
Safety Relief Valves
(With Inlets Larger Than 1-1/2" NPT Inlet)
Y
Y
Pressure Gauge
D
1/2
Y
Y
Water Gauge Glass Fittings
E
1/2
Y
Y
M & M #67 Low Water Cut-Off
E
1/2
Y
N
M & M #67M Low Water Cut-Off with Manual Reset
E
1/2
N
Y
Hydrolevel CG450 Probe Low Water Cut-Off
G
3/4
N
Y
Steam Equalizer Installed On The End Not Equipped With Trim
Between
(With Optional M & M #150 Float Low Water Cut-Off / Pump Controller)
B & J
Honeywell PA404A Or L404A Pressure Limit
D
1/2
Y
Y
Boiler Drain Valve
B
3
Y
Y
Bottom Blowoff Piping
B
3
N
N
Cover Plate
F
-
Y
Y
Indirect Water Heater Connection
H
1-1/2
N
N
Indirect Water Heater Aquastat
I
3/4
N
N
1. Trim May Be Installed On Either End Section.
2. Use The Tapping Located On The End Not Equipped With Trim For The Safety Relief Valve & The Surface Blow off .
Honeywell L404C Manual Reset Pressure Limit Control
N
Y
C
2
Y
Y
N
N
1-1/2
-
1/4" Tapping on
Top of #67 LWCO
-
3 & 1
Riser
(See Figure 27c)