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Bryan Steam, LLC
Engineering Section
RELIEF VALVE SELECTIONS
Form 2284
1/21/2005
H.S. Boiler Model Pressure Part # Model Qty. Size
A
ctual Cap. Actual Cap.
V
endo
r
(Psig) Per Valve Total
(MBH) (MBH)
300 K250 30# 26138 740 1 2x2½ 5250 5250 Watts
45# 26132 740 1 1½x2 3903 3903 Watts
50# 26124 740 1 1¼x1½ 3075 3075 Watts
60# 26126 740 1 1¼x1½ 3560 3560 Watts
75# 26127 740 1 1¼x1½ 4285 4285 Watts
125# 26172 174A 1 1x1 3215 3215 Watts
150# 26173 174A 1 1x1 3795 3795 Watts
361 K300
30# 26138 740 1 2x2½ 5250 5250 Watts
45# 26132 740 1 1½x2 3903 3903 Watts
50# 26133 740 1 1½x2 4237 4237 Watts
60# 26135 740 1 1½x2 4907 4907 Watts
75# 26127 740 1 1¼x1½ 4285 4285 Watts
125# 26186 174A 1 1¼x1¼ 5370 5370 Watts
150# 26173 174A 1 1x1 3795 3795 Watts
424 K350
30# 26138 740 1 2x2½ 5250 5250 Watts
45# 26141 740 1 2x2½ 7067 7067 Watts
50# 26142 740 1 2x2½ 7672 7672 Watts
60# 26135 740 1 1½x2 4907 4907 Watts
75# 26127 740 1 1¼x1½ 4285 4285 Watts
125# 26186 174A 1 1¼x1¼ 5370 5370 Watts
150# 94054 174A 1 1¼x1¼ 6340 6340 Watts
480 K400
30# 26138 740 1 2x2½ 5250 5250 Watts
45# 26141 740 1 2x2½ 7067 7067 Watts
50# 26142 740 1 2x2½ 7672 7672 Watts
60# 26135 740 1 1½x2 4907 4907 Watts
75# 94038 740 1 1½x2 5909 5909 Watts
125# 26186 174A 1 1¼x1¼ 5370 5370 Watts
150# 94054 174A 1 1¼x1¼ 6340 6340 Watts
540 K450
30# 26129 740 2 1½x2 2900 5800 Watts
45# 26141 740 1 2x2½ 7067 7067 Watts
50# 26142 740 1 2x2½ 7672 7672 Watts
60# 26126 740 2 1¼x1½ 3560 7120 Watts
75# 94038 740 1 1½x2 5909 5909 Watts
125# 26200 174A 1 1½x1½ 6460 6460 Watts
150# 26173 174A 2 1x1 3795 7590 Watts
K Series Water Boilers
Sheet: K-W
File: Form 2284.XLS
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