Pump
10x14–20S 10x14–20L 12x16–23 14x16–17 14x18–23 13x18–28
Wear ring clearance — dia. BRZ impellers .016–.019 .016–.019 .016–.019 .016–.019 .016–.019 .016–.019
Wear ring clearance — dia. Ci and SS im-
pellers
.025–.028 .025–.028 .025–.028 .025–.028 .025–.028 .025–.028
Shaft and Bearing Data (all dimensions in inches)
At coupling
3.125
3.125
3.125
3.125
3.125
3.125
Thru impeller and sleeves
3.311
3.311
3.311
3.311
4.061
4.061
Shaft span
Bearing to bearing
centerline
40.500
40.500
40.500
40.500
41.375
41.375
Ball bearing
Inboard
6316
6316
6316
6316
6316
6316
Outboard
21316
21316
21316
21316
21316
21316
Frame group
M
M
M
M
L
L
Footnotes
1.
With 250#FF flanges refer to pump as H6x10–22
2.
Flange dimensions are in accordance with ANSI A21,10,AWWA C110 and ANSI B16.1 Class
125.
3.
Flange dimensions are in accordance with ANSI B16.1 Class 250 except flanges are flat faced.
4.
The hydrostatic test will be in accordance with the latest edition of the hydraulic Institute Stand-
ards, test will be maintained for a minimum of 10 minutes.
5.
6x10–22, 8x12–21, and 8x12–22M/L are standard with 125#FF suction and 250#FF discharge
flanges.
6.
Balanced mechanical seal have a major and a minor diameter as listed.
9.1 Engineering data
68
Model 3409 Installation, Operation, and Maintenance Manual
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