Crown Boiler 32 User Manual
Page 33

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Figure 25: Common Near-Boiler Piping Mistakes
Table 6: Steam Boiler Riser & Header Pipe Sizes
Steam
Steam
Return
Condensate
Equalizer
Boiler
Header Riser Pipe
Header Return Pipe
Pipe
Model
Size (in) Quantity Size (in) Size (in) Quantity Size (in) Quantity Size (in)
32-380
3
1
3
1 1/2
1
1 1/2
1
2
32-475
3
1
3
1 1/2
1
1 1/2
1
2
32-570
4
2
3
1 1/2
1
1 1/2
1
2
32-665
4
2
3
2
1
2
1
2 1/2
32-760
4
2
3
2
1
2
1
2 1/2
32-855
4
2
3
2
1
2
1
2 1/2
32-950
5
2
3
2
1
2
1
2 1/2
32-1045
5
3
3
2
1
2
1
2 1/2
32-1140
5
3
3
2 1/2
1
2
1
2 1/2
32-1235
5
3
3
2 1/2
1
2
1
2 1/2
32-1330
5
3
3
2 1/2
1
2
1
2 1/2
32-1425
5
3
3
2 1/2
1
2
1
2 1/2
32-1520
6
3
3
2 1/2
1
2
1
2 1/2
32-1615
6
4
3
2 1/2
1
2
1
2 1/2
32-1710
6
4
3
2 1/2
1
2
1
2 1/2
32-1805
6
4
3
2 1/2
1
2 1/2
1
3
32-1900
6
4
3
2 1/2
1
2 1/2
1
3
32-1995
6
4
3
3
1
2 1/2
1
3
32-2090
6
5
3
3
1
2 1/2
1
3
32-2185
8
5
3
3
1
2 1/2
1
3
32-2280
8
5
3
3
1
2 1/2
1
3
32-2375
8
5
3
3
1
2 1/2
1
3
32-2470
8
5
3
3
1
2 1/2
1
3
32-2565
8
5
3
3
1
3
1
4
32-2660
8
6
3
3
1
3
1
4
32-2755
8
6
3
3
1
3
1
4
32-2850
8
6
3
4
1
3
1
4
Note: 1. The pipe sizes listed above are nominal trade sizes f or Schedule 40 pipe.
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