Section 014 Page 049
1800 Series Split Case Pumps
Performance
1800 Series
Split Case Pumps
Performance
Table of Contents
50 Hertz
Coverage Charts
1800 Series Coverage Chart 3000 RPM ..............050
1800 Series Coverage Chart 1500 RPM ..............051
1800 Series Coverage Chart 1000 RPM ..............052
2880 RPM
2" 1823 (444A320)................................................053
2" 1824 (444A321)................................................053
2-1/2" 1823B (444A251) .......................................054
3" 1824B (444A131) .............................................054
4" 1822 (444A133)................................................055
2950 RPM
3" 1824C (444A324) .............................................055
4" 1823C (444A135) .............................................056
5" 1822C (444A184) .............................................056
1440 RPM
2" 1823 (444A320)................................................057
2" 1824 (444A321)................................................057
2" 1825 (444A322)................................................058
2-1/2" 1823B (444A251) .......................................058
2-1/2" 1824 (444A323)..........................................059
3" 1824B (444A131) .............................................059
3" 1824C (444A324) .............................................060
3" 1825 (444A324)................................................060
4" 1822 (444A133)................................................061
4" 1823A (444A325) .............................................061
4" 1823C (444A135) .............................................062
4" 1824 (444A327)................................................062
5" 1822A (444A325) .............................................063
5" 1822C (444A184) .............................................063
5" 1823 (444A328)................................................064
6" 1822 (444A327)................................................064
8" 1821 (444A332)................................................065
8" 1822 (444A330)................................................065
10" 1822B (444A144) ...........................................066
6" 1823 (444A330)................................................067
6" 1824A (444A143) .............................................068
6" 1824B (444A181) .............................................068
6" 1824C (444A183) .............................................069
6" 1825 (444A331)................................................069
8" 1822A (444A137) .............................................070
8" 1823A (444A330) .............................................070
8" 1825 (444A279)................................................071
8" 1825A (444A370) .............................................071
8" 1826 (444A797)................................................072
10" 1823B (444A145) ...........................................072
10" 1823C (4340)..................................................073
10" 1824 (444A146)..............................................073
12" 1823B (444A147) ...........................................074
12" 1824A (444A292) ...........................................074
960 RPM
2" 1825 (444A322)................................................075
2-1/2" 1824 (444A323)..........................................075
3" 1825 (444A324)................................................076
4" 1823A (444A325) .............................................076
4" 1824 (444A327)................................................077
4" 1825 (444A142)................................................077
5" 1822A (444A325) .............................................078
5" 1823 (444A328)................................................078
5" 1824 (444A329)................................................079
6" 1822 (444A327)................................................079
6" 1823 (444A330)................................................080
6" 1824B (444A181) .............................................080
6" 1824C (444A183) .............................................081
8" 1821 (444A332)................................................081
8" 1822 (444A330)................................................082
8" 1823A (444A330) .............................................082
980 RPM
6" 1824A (444A143) .............................................083
8" 1822A (444A137) .............................................083
8" 1825 (444A279)................................................084
8" 1825A (444A370) .............................................084
10" 1822B (444A144) ...........................................085
10" 1823B (444A145) ...........................................085
10" 1823C (4340)..................................................086
10" 1824 (444A146)..............................................086
12" 1823B (444A147) ...........................................087
12" 1824A (444A292) ...........................................087
14" 1824 (444A149)..............................................088
1475 RPM
4" 1825 (444A142)................................................066
5" 1824 (444A329)................................................067
05/13 © 2013 Pentair Ltd.
735 RPM
14" 1824 (444A149)..............................................088
Fairbanks Nijhuis™
Section 014 Page 050
6" 18
23HH
3000 RPM
1000
1800 Series Split Case Pumps
1800 Series Coverage Chart 3000 RPM
HH
822
6" 1
2B
100
/2"
10
20
30
40
50
100
200
300
10
2" 1
823
2" 1
824
2-1
INDIVIDUAL PERFORMANCE CURVES SHOULD BE CHECKED FOR
FINAL SELECTION.
FOR SELECTIONS NOT SHOWN ON THIS CHART PLEASE REFER
TO THE FACTORY.
CAPACITY – CUBIC METERS PER HOUR
82
4"
1
824
3"
1
182
3B
3" 18
24C
B
4" 1
823
C
5" 1
822
C
4" 1823D
TOTAL DYNAMIC HEAD – METERS
Power Frame No. 1
Power Frame No. 4
Power Frame No. 5A
Power Frame No. 2
Power Frame No. 4A
Power Frame No. 6B
Power Frame No. 3
Power Frame No. 5
Power Frame No. 7
Fairbanks Nijhuis™
Power Frame No. 7A
© 2013 Pentair Ltd. 05/13
05/13 © 2013 Pentair Ltd.
1
10
22
82
1
1000
2B
4
8
"1
23
D
Power Frame No. 1
Power Frame No. 4
Power Frame No. 5A
Power Frame No. 2
Power Frame No. 4A
Power Frame No. 6B
Power Frame No. 3
Power Frame No. 5
Power Frame No. 7
CAPACITY – CUBIC METERS PER HOUR
18
1
0"
100
8"
10
10" 1823B
3
5
7
4A
1
6
1
3" 1
824
B
A
12
9
82
"1
0
4
2
4
8"
B
823
2
18 -1/2
23 "
B
23
18
10" 1823C
823
2" 1
182
4"
24B
8" 18
4
10
182
23
18
11
4
2"
/2"
2-1
5"
24
18
8
82
"1
20
825
2" 1
5
3" 182
4" 1824
5"
B
825
8" 1
825
6" 1
A
6" 1
824
6" 1824
B
4" 1825
INDIVIDUAL PERFORMANCE CURVES SHOULD BE CHECKED FOR
FINAL SELECTION.
FOR SELECTIONS NOT SHOWN ON THIS CHART PLEASE REFER
TO THE FACTORY.
12
40
60
80
100
120
7
6
5
4
3
2
1
4"
3"
5"
5"
6"
6"
8"
1822B
1824C
1822C
1822A
1822
1823
1823A
1500 RPM
10000
6" 1824C
10" 1824D
8" 1822A
11 8" 1825A
12 8" 1821B
10
9
8
1800 Series Split Case Pumps
1800 Series Coverage Chart 1500 RPM
Section 014 Page 051
12" 1823
B
TOTAL DYNAMIC HEAD – METERS
Power Frame No. 7A
Fairbanks Nijhuis™
Section 014 Page 052
7
6
5
4
3
2
1
6" 1822
6" 1823
8" 1823A
8" 1822A
6" 1824C
10" 1823C
8" 1825A
1000 RPM
10000
1800 Series Split Case Pumps
1800 Series Coverage Chart 1000 RPM
4
182
2B
B
823
822
8
"1
5
5
A
100
0
5
10
15
20
25
30
35
40
45
50
1
10
2" 1
825
2-1/
2" 1
3" 1
824
825
4" 1
825
4" 1
1
4"
824
3D
23
18
82
B
824
A
22
23
8
"1
6" 1
824
6" 1
4
82
1
5"
4"
B
INDIVIDUAL PERFORMANCE CURVES SHOULD BE CHECKED FOR
FINAL SELECTION.
FOR SELECTIONS NOT SHOWN ON THIS CHART PLEASE REFER
TO THE FACTORY.
6" 1
825
A
5
8" 1825
7
1
2
1B
182
8"
CAPACITY – CUBIC METERS PER HOUR
3
8
182
10"
1
8"
B
24
" 18
10" 1824D
182
8" 1
10"
3B
10"
4
182
1000
1
3B
182
6
12"
12"
A
824
4
14"
TOTAL DYNAMIC HEAD – METERS
Power Frame No. 1
Power Frame No. 4
Power Frame No. 5A
Power Frame No. 2
Power Frame No. 4A
Power Frame No. 6B
Power Frame No. 3
Power Frame No. 5
Power Frame No. 7
Fairbanks Nijhuis™
Power Frame No. 7A
© 2013 Pentair Ltd. 05/13
1800 Series Split Case Pumps
Performance
Section 014 Page 053
2"
(ALL)
(1820)
(1810 & 1840)
1823
2880 RPM
Impeller
444A320
(ALL)
(1820)
(1810 & 1840)
2"
1824
2880 RPM
Impeller
444A321
05/13 © 2013 Pentair Ltd.
Fairbanks Nijhuis™
Section 014 Page 054
2-1/2"
1823B
1800 Series Split Case Pumps
Performance
(ALL)
(1820)
(1810 & 1840)
2880 RPM
Impeller
444A251
3"
(ALL)
(1820)
(1810 & 1840)
1824B
2880 RPM
Impeller
444A131
Fairbanks Nijhuis™
© 2013 Pentair Ltd. 05/13
1800 Series Split Case Pumps
Performance
Section 014 Page 055
(ALL)
(1820)
(1810 & 1840)
4"
1822
2880 RPM
Impeller
444A133
(ALL)
(1820)
(1810 & 1840)
3"
1824C
2950 RPM
Impeller
444A324
05/13 © 2013 Pentair Ltd.
Fairbanks Nijhuis™
Section 014 Page 056
4"
1823C
1800 Series Split Case Pumps
Performance
(ALL)
(1820)
(1810 & 1840)
2950 RPM
Impeller
444A135
5"
(ALL)
(1820)
(1810 & 1840)
1822C
2950 RPM
Impeller
444A184
Fairbanks Nijhuis™
© 2013 Pentair Ltd. 05/13
1800 Series Split Case Pumps
Performance
Section 014 Page 057
(ALL)
(1820)
(1810 & 1840)
2"
1823
1440 RPM
Impeller
444A320
(ALL)
(1820)
(1810 & 1840)
2"
1824
1440 RPM
Impeller
444A321
05/13 © 2013 Pentair Ltd.
Fairbanks Nijhuis™
Section 014 Page 058
2"
1825
1800 Series Split Case Pumps
Performance
(ALL)
(1820)
(1810 & 1840)
1440 RPM
Impeller
444A322
444A251
2-1/2"
1823B
(ALL)
(1820)
(1810 & 1840)
1440 RPM
Impeller
444A251
Fairbanks Nijhuis™
© 2013 Pentair Ltd. 05/13
1800 Series Split Case Pumps
Performance
Section 014 Page 059
(ALL)
(1820)
(1810 & 1840)
2-1/2"
1824
1440 RPM
Impeller
444A323
(ALL)
(1820)
(1810 & 1840)
3"
1824B
1440 RPM
Impeller
444A131
05/13 © 2013 Pentair Ltd.
Fairbanks Nijhuis™
Section 014 Page 060
3"
1824C
1800 Series Split Case Pumps
Performance
(ALL)
(1820)
(1810 & 1840)
1440 RPM
Impeller
444A324
3"
(ALL)
(1820)
(1810 & 1840)
1825
1440 RPM
Impeller
444A324
Fairbanks Nijhuis™
© 2013 Pentair Ltd. 05/13
1800 Series Split Case Pumps
Performance
Section 014 Page 061
(ALL)
(1820)
(1810 & 1840)
4"
1822
1440 RPM
Impeller
444A133
(ALL)
(1820)
(1810 & 1840)
4"
1823A
1440 RPM
Impeller
444A325
05/13 © 2013 Pentair Ltd.
Fairbanks Nijhuis™
Section 014 Page 062
4"
1823C
1800 Series Split Case Pumps
Performance
(ALL)
(1820)
(1810 & 1840)
1440 RPM
Impeller
444A135
4"
(ALL)
(1820)
(1810 & 1840)
1824
1440 RPM
Impeller
444A327
Fairbanks Nijhuis™
© 2013 Pentair Ltd. 05/13
1800 Series Split Case Pumps
Performance
Section 014 Page 063
(ALL)
(1820)
(1810 & 1840)
5"
1822A
1440 RPM
Impeller
444A325
(ALL)
(1820)
(1810 & 1840)
5"
1822C
1440 RPM
Impeller
444A184
05/13 © 2013 Pentair Ltd.
Fairbanks Nijhuis™
Section 014 Page 064
5"
1823
1800 Series Split Case Pumps
Performance
(ALL)
(1820)
(1810 & 1840)
1440 RPM
Impeller
444A328
6"
(ALL)
(1820)
(1810 & 1840)
1822
1440 RPM
Impeller
444A327
Fairbanks Nijhuis™
© 2013 Pentair Ltd. 05/13
1800 Series Split Case Pumps
Performance
Section 014 Page 065
(ALL)
(1820)
(1810 & 1840)
8"
1821
1440 RPM
Impeller
444A332
(ALL)
(1820)
(1810 & 1840)
8"
1822
1440 RPM
Impeller
444A330
05/13 © 2013 Pentair Ltd.
Fairbanks Nijhuis™
Section 014 Page 066
10"
1822B
1800 Series Split Case Pumps
Performance
(ALL)
(1820)
(1810 & 1840)
1440 RPM
Impeller
444A144
4"
(ALL)
(1820)
(1810 & 1840)
1825
1475 RPM
Impeller
444A142
Fairbanks Nijhuis™
© 2013 Pentair Ltd. 05/13
1800 Series Split Case Pumps
Performance
Section 014 Page 067
(ALL)
(1820)
(1810 & 1840)
5"
1824
1475 RPM
Impeller
444A329
(ALL)
(1820)
(1810 & 1840)
6"
1823
1475 RPM
Impeller
444A330
05/13 © 2013 Pentair Ltd.
Fairbanks Nijhuis™
Section 014 Page 068
6"
1824A
1800 Series Split Case Pumps
Performance
(ALL)
(1820)
(1810 & 1840)
1475 RPM
Impeller
444A143
6"
(ALL)
(1820)
(1810 & 1840)
1824B
1475 RPM
Impeller
444A181
Fairbanks Nijhuis™
© 2013 Pentair Ltd. 05/13
1800 Series Split Case Pumps
Performance
Section 014 Page 069
(ALL)
(1820)
(1810 & 1840)
6"
1824C
1475 RPM
Impeller
444A183
(ALL)
(1820)
(1810 & 1840)
6"
1825
1475 RPM
Impeller
444A331
05/13 © 2013 Pentair Ltd.
Fairbanks Nijhuis™
Section 014 Page 070
8"
1822A
1800 Series Split Case Pumps
Performance
(ALL)
(1820)
(1810 & 1840)
1475 RPM
Impeller
444A137
8"
(ALL)
(1820)
(1810 & 1840)
1823A
1475 RPM
Impeller
444A330
Fairbanks Nijhuis™
© 2013 Pentair Ltd. 05/13
1800 Series Split Case Pumps
Performance
Section 014 Page 071
(ALL)
(1820)
(1810 & 1840)
8"
1825
1475 RPM
Impeller
444A279
(ALL)
(1820)
(1810 & 1840)
8"
1825A
1475 RPM
Impeller
444A370
05/13 © 2013 Pentair Ltd.
Fairbanks Nijhuis™
Section 014 Page 072
8"
500
1800 Series Split Case Pumps
Performance
MAX. SPHERES
1.000"
444A797
IMP. PATT. NO.
CASE PATT. NO. 180A509 UPPER
180A510 LOWER
150
1826
40% 50%
609.6 mm
70%
596.9 mm
400
546.1 mm
(FEET)
Impeller
444A797
200
495.3 mm
75%
100 520.7 mm
300
MIN. IMP. DIA.
3.6
NPSH
75%
571.5 mm
HEAD (METERS)
1475 RPM
60% 65%
70%
495.3 mm
65%
60%
90
KW
110
KW
2.4
NPSH
50
3
NPSH
260
KW
150
KW
185
KW
4.2
NPSH
100
300
KW
225
KW
4.8
NPSH
M3/HR
L/S
U.S.GPM
10"
1823B
250
500
100
1500
750
200
3000
1000
1250
300
4500
1500
400
6000
PC-197422
(ALL)
(1820)
(1810 & 1840)
1475 RPM
Impeller
444A145
Fairbanks Nijhuis™
© 2013 Pentair Ltd. 05/13
1800 Series Split Case Pumps
Performance
Section 014 Page 073
(ALL)
(1820)
(1810 & 1840)
10"
1823C
1475 RPM
Impeller
4340
(ALL)
(1820)
(1810 & 1840)
10"
1824
1475 RPM
Impeller
444A146
05/13 © 2013 Pentair Ltd.
Fairbanks Nijhuis™
Section 014 Page 074
12"
1823B
1800 Series Split Case Pumps
Performance
(ALL)
(1820)
(1810 & 1840)
1475 RPM
Impeller
444A147
12"
(ALL)
(1820)
(1810 & 1840)
1824A
1475 RPM
Impeller
444A292
Fairbanks Nijhuis™
© 2013 Pentair Ltd. 05/13
1800 Series Split Case Pumps
Performance
Section 014 Page 075
(ALL)
(1820)
(1810 & 1840)
2"
1825
960 RPM
Impeller
444A322
(ALL)
(1820)
(1810 & 1840)
2-1/2"
1824
960 RPM
Impeller
444A323
05/13 © 2013 Pentair Ltd.
Fairbanks Nijhuis™
Section 014 Page 076
3"
1825
1800 Series Split Case Pumps
Performance
(ALL)
(1820)
(1810 & 1840)
960 RPM
Impeller
444A324
4"
(ALL)
(1820)
(1810 & 1840)
1823A
960 RPM
Impeller
444A325
Fairbanks Nijhuis™
© 2013 Pentair Ltd. 05/13
1800 Series Split Case Pumps
Performance
Section 014 Page 077
(ALL)
(1820)
(1810 & 1840)
4"
1824
960 RPM
Impeller
444A327
(ALL)
(1820)
(1810 & 1840)
4"
1825
960 RPM
Impeller
444A142
05/13 © 2013 Pentair Ltd.
Fairbanks Nijhuis™
Section 014 Page 078
5"
1822A
1800 Series Split Case Pumps
Performance
(ALL)
(1820)
(1810 & 1840)
960 RPM
Impeller
444A325
5"
(ALL)
(1820)
(1810 & 1840)
1823
960 RPM
Impeller
444A328
Fairbanks Nijhuis™
© 2013 Pentair Ltd. 05/13
1800 Series Split Case Pumps
Performance
Section 014 Page 079
(ALL)
(1820)
(1810 & 1840)
5"
1824
960 RPM
Impeller
444A329
(ALL)
(1820)
(1810 & 1840)
6"
1822
960 RPM
Impeller
444A327
05/13 © 2013 Pentair Ltd.
Fairbanks Nijhuis™
Section 014 Page 080
6"
1823
1800 Series Split Case Pumps
Performance
(ALL)
(1820)
(1810 & 1840)
960 RPM
Impeller
444A330
6"
(ALL)
(1820)
(1810 & 1840)
1824B
960 RPM
Impeller
444A181
Fairbanks Nijhuis™
© 2013 Pentair Ltd. 05/13
1800 Series Split Case Pumps
Performance
Section 014 Page 081
(ALL)
(1820)
(1810 & 1840)
6"
1824C
960 RPM
Impeller
444A183
(ALL)
(1820)
(1810 & 1840)
8"
1821
960 RPM
Impeller
444A332
05/13 © 2013 Pentair Ltd.
Fairbanks Nijhuis™
Section 014 Page 082
8"
1822
1800 Series Split Case Pumps
Performance
(ALL)
(1820)
(1810 & 1840)
960 RPM
Impeller
444A330
8"
1823A
(ALL)
(1820)
(1810 & 1840)
960 RPM
Impeller
444A330
Fairbanks Nijhuis™
© 2013 Pentair Ltd. 05/13
1800 Series Split Case Pumps
Performance
Section 014 Page 083
(ALL)
(1820)
(1810 & 1840)
6"
1824A
980 RPM
Impeller
444A143
(ALL)
(1820)
(1810 & 1840)
8"
1822A
980 RPM
Impeller
444A137
05/13 © 2013 Pentair Ltd.
Fairbanks Nijhuis™
Section 014 Page 084
8"
1825
1800 Series Split Case Pumps
Performance
(ALL)
(1820)
(1810 & 1840)
980 RPM
Impeller
444A279
8"
1825A
(ALL)
(1820)
(1810 & 1840)
980 RPM
Impeller
444A370
Fairbanks Nijhuis™
© 2013 Pentair Ltd. 05/13
1800 Series Split Case Pumps
Performance
Section 014 Page 085
(ALL)
(1820)
(1810 & 1840)
10"
1822B
980 RPM
Impeller
444A144
(ALL)
(1820)
(1810 & 1840)
10"
1823B
980 RPM
Impeller
444A145
05/13 © 2013 Pentair Ltd.
Fairbanks Nijhuis™
Section 014 Page 086
10"
1823C
1800 Series Split Case Pumps
Performance
(ALL)
(1820)
(1810 & 1840)
980 RPM
Impeller
4340
10"
(ALL)
(1820)
(1810 & 1840)
1824
980 RPM
Impeller
444A146
Fairbanks Nijhuis™
© 2013 Pentair Ltd. 05/13
1800 Series Split Case Pumps
Performance
Section 014 Page 087
(ALL)
(1820)
(1810 & 1840)
12"
1823B
980 RPM
Impeller
444A147
(ALL)
(1820)
(1810 & 1840)
12"
1824A
980 RPM
Impeller
444A292
05/13 © 2013 Pentair Ltd.
Fairbanks Nijhuis™
Section 014 Page 088
14"
1824
1800 Series Split Case Pumps
Performance
(ALL)
(1820)
(1810 & 1840)
980 RPM
Impeller
444A149
14"
(ALL)
(1820)
(1810 & 1840)
1824
735 RPM
Impeller
444A149
Fairbanks Nijhuis™
© 2013 Pentair Ltd. 05/13