Peerless Pump ELS - Page 41

38
2005 Doctor Martin Luther King Jr Street
Indianapolis, IN 46202
Rev 07-2021
Table 4. Most Efficient Bearing and Impeller Clearances
All current vertical turbine pump models are represented,
and some obsolete models are also shown.
B = DISTANCE FROM BOTTOM OF IMPELLER TO END OF SHAFT (SUCTION CASE)
C = DISTANCE FROM BOTTOM OF IMPELLER TO END OF SHAFT (SUCTION BELL)
D = DIAMETRAL CLEARANCE BETWEEN SHAFT AND BEARINGS
E = DIAMETRAL CLEARANCE BETWEEN IMPELLER SKIRT AND BOWL SIDE SEAL
(Dimensional references only; no guarantees implied. Information subject to change without notice.)
Size Model Shaft
Dia.
B C D
(max.)
D
(min.)
E
(max.)
E
(min.)
Best
L
at
eral
4 LE 0.75 5.19 - 0.006 0.005 0.010 0.006 0.125
6 HXB 0.88 4.56 - 0.007 0.006 0.012 0.008 0.125
6 LB 0.88 3.38 3.38 0.007 0.006 0.011 0.007 0.063
6 MA 0.88 6.56 3.69 0.007 0.006 0.015 0.010 0.125
7 HXB 1.00 5.63 - 0.007 0.006 0.012 0.008 0.125
7 LA 1.00 6.50 4.06 0.007 0.006 0.012 0.008 0.125
7 LB 1.00 7.00 7.00 0.007 0.006 0.018 0.012 0.125
8 HDX 1.19 6.38 - 0.007 0.006 0.018 0.012 0.063
8 HDX
(w/o ring)
1.19 6.13 - 0.007 0.006 0.018 0.012 0.063
8 HXB 1.19 5.44 - 0.007 0.006 0.012 0.008 0.063
8 LB 1.19 4.38 4.38 0.007 0.006 0.012 0.008 0.125
8 MA 1.19 7.63 3.94 0.007 0.006 0.012 0.008 0.125
8 MFH 1.19 Keyed - 0.007 0.006 - - 0.012
9 LA 1.19 8.00 4.75 0.007 0.006 0.012 0.008 0.125
10 HH 1.50 8.88 8.88 0.007 0.006 0.012 0.008 0.125
10 HXB 1.50 8.25 4.81 0.007 0.006 0.012 0.008 0.188
10 LB 1.19 8.19 8.19 0.007 0.006 0.012 0.008 0.125
10 MA 1.19 8.00 4.31 0.007 0.006 0.012 0.008 0.125
10 MF 1.00 Keyed Keyed 0.007 0.006 - - 0.012
10 MFH 1.50 Keyed Keyed 0.007 0.006 - - 0.125
10 PL 1.19 Keyed Keyed 0.007 0.006 - - 0.125
11 MB 1.94 9.25 - 0.007 0.006 0.015 0.011 0.125
12 HD 1.94 8.88 - 0.009 0.006 0.012 0.008 0.125
12 HD
(w/o ring)
1.94 8.63 - 0.009 0.006 0.012 0.008 0.125
12 HXB 1.50 9.75 2.25 0.009 0.006 0.012 0.008 0.125
12 HXH 1.94 8.44 8.44 0.009 0.006 0.012 0.008 0.063
12 LB 1.50 7.81 7.81 0.007 0.006 0.013 0.008 0.125
12 LD 1.50 7.06 7.06 0.011 0.009 0.015 0.010 0.188
12 LD
(w/o ring)
1.50 6.75 6.75 0.011 0.009 0.015 0.010 0.188
12 LDT 1.50 7.13 7.13 0.011 0.009 0.015 0.010 0.125
12 LDT
(w/o ring)
1.50 6.88 6.88 0.011 0.009 0.015 0.010 0.125
12 MB 1.50 9.38 3.13 0.007 0.006 0.015 0.011 0.188
12 MF 1.19 Keyed Keyed 0.007 0.006 - - 0.012
12 PL 1.19 Keyed Keyed 0.007 0.006 - - MIDDLE
14 HH 1.69 9.00 9.00 0.007 0.006 0.015 0.011 0.063
14 HXB 1.94 9.72 3.44 0.008 0.007 0.016 0.010 0.125
14 LA 1.94 10.38 7.06 0.008 0.007 0.012 0.008 0.125
14 LC 1.94 9.56 9.56 0.008 0.007 0.012 0.008 0.125
14 LD 1.94 8.38 8.38 0.009 0.008 0.017 0.013 0.063