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O2AZ Close Coupled Centrifugal Pump
O2AZ single stage close coupled entrifugal pump with performance and key dimensions in accordance with DIN24255 standard, for horiaontal installation. The back-pull-out const ruc t ion a l lows the pump to be disassem-beld without disturbingthe suction and discharge pipework.
Design
Discharge flanges: 32 mm to 150 mmFlange standard: BS 4504 PN 16Optional flanges: ANSI 150 RFFlowrate: Up to 550 M3/HrTotal head Up to 150 metersMax working pressure 16 bar standardMaximum temperature 100 deg CMaximum temperature -20 deg C
Operating data
Electric motorThe pump is supplied complete with a standard flange or face mounted TEFC IP55 electric motor to IEC dimensions.NEMA,Eexd,Ex(N),single phase andEnergy Efficient motors are readily available as options.
MaterialCasing Cast iron Ductile ironImpeller Cast iron bronzeStubshaft Stainless steelCasing wear ring Cast iron bronze
Shaft sealSingle carbon vv Ceramic mechanical seal with Nitri le elas-tomers as standard. Pumps can be fitted with a wide varietyof single and double mechanical seals or packed gland as required.
Pump and motor combinationsOnly the common pump and motor combinations for 50 hz operation on water are included within this publication. For dimensions and performance of other pump and motor combinations.
1
ApplicationsWater supplyCooling waterAir conditioningHeating circulationIndustrial fluids
Typical cross section
2
32/13 32/16 32/20 32/26
Suitable for:
40/13 40/16 40/20 40/26
65/13 65/16 65/20 65/26
50/13 50/16 50/20 50/26
100/16 100/20 100/26
80/16 80/20 80/26
125/20 125/26
W ith smaller motor anges
01 02 10 06 03 12
1108
07
05
13
Adaptor
C asing
StubshaftImpeller
Impeller washerImpeller nutMechanical seal
Motor sleeveImpeller keyO ring
Spacer sleeve
O2AZ Pump Section 1
05
010203
0706
08
121110
13
Typical cross section
3
32/13 32/16 32/20 32/26
Suitable for:
40/13 40/16 40/20 40/26
65/13 65/16 65/20 65/26
50/13 50/16 50/20 50/26
100/16 100/20 100/26
125/20 125/26
80/16 80/20 80/26
With bigger motor �anges
01 02 10 06
1108
07
05
03
12
09
13
Adaptor05
010203
C asing
StubshaftImpeller
0706
08 Impeller washerImpeller nut
Mechanical seal
1211
Motor sleeveImpeller key
10 O ring09 Motor Flange
13 Spacer sleeve
O2AZ Pump Section 2
Typical cross section
4
01 02 04 05 09
10
06
1213
1108
07
03
Suitable for:
100/32 125/32 150/20 150/26 150/32
40/32 50/32 65/32 80/32
05
010203
0706
08
12111009
13
O2AZ Pump Section 3
04
C asingImpellerStubshaftBackcoverAdaptorMechanical sealImpeller nutImpeller washerGlandplateO ringImpeller keyMotor sleeveSpacer sleeve
Selection Charts
5
N=3500rpm
N=1750rpm
40/20
40/16
40/13
120
H(m)32/20
32/16
32/13
17
14.56 7.2
262320
29
2.4
8.49.6
3.6
12
58
43
36
72
87
6
18
4.8 7.2
24
8.4
32/26
36
115
100
145
130
173
24 3648
7272
4860
6096
96
100/16
100/20
84
65/20
96
50/20
50/16
50/13
16.8
48
9.6
36
12 14.5
60
21.619.2
72
24
84
80/16
48
180120
30
65/13
36 42
65/16
60 72
240
80/20
144
360
96
480
120
125/20
115
Q[m3/h]
Q[l/s]
52
100
87
72
130
145
290
216
H(ft)
65/2650/2640/26
120240 360
240720480
360 480600 960
80/26
600 720 9601200
100/26
12001720
1720 Q[US.gpm]Q [IM.gpm]
435
554
180
65/16
65/26
60
30/26
1.2
2.93.6
4.4
5.8
8.7
7.3
14.5
11.7
10.2
13.1
H(m)
21.8
40/16
40/13
6.04.8
1.8
7.2
32/13
2.4
9.6
3.6
12
32/16
32/20 40/20
50/13
4.8
18
6 7.2
24 36
9.6 12
48
65/13
50/16
50/20
50/26
65/20
44
29.1
58
73
40/32
24
24
36
36
48 60
48 96
50/32
40/26
72
72
60
96
120
120 180
H(ft)
Q[l/s]
Q[m3/h]
100/20
48
80/16
24
72 96 120
36
180
100/16
80/20
80/26100/26
240
60 72 96
360
11
120
15
22
29
125/20
125/26
36
44
58
72
86
Q [IM.gpm]
Q[US.gpm]720
600360
65/32
240
240 360
80/32
480
480 1200960
720 960
115
145
1200
216
H(m)
2
10
12
30
120
20
40
H(ft)
380
Q [IM.gpm]Q[US.gpm]
98765 201510 4030 706050 80 200150 400300
Q[l/s]
Q[m3/h]100
3 4 5 6 7 8 10 14 16 18 20 25 30 35 40 50 60 70 80 100 120
12
14161820
25
30
40
50
60
70
80
90
100
50
60
70
80
100
150
200
300
90
40 50 60 8030 40 50 60
100 200 300 400 500 600 800 1000 140080 100 200 300 400 500 600 800 1000 1400
32/13 40/13 50/13
50/1640/1632/16
32/20 40/20 50/20
32/26
65/16
40/26
65/13
80/16
65/2080/20
50/26 65/2680/26
100/26
100/20
125/20
100/16
140160
45040/32 50/32
Selection Charts
N=2900rpm
N=1450rpm
6
40/16
30
6
5
4
3
7
8
9
10
15
20H(m)
2643
1.0
5
1.5
32/13
32/20
32/16
30/26
8
2
10
3
40/13
40/20
40
50
60
7020
20 30
40/32
30 404050
150/20
300
80/3265/32
80/26
20
80/16
50/26
6
20
50/13
15
4 5
30
8
50/20
50/16
40/26
65/16
65/13
40
10
6050
65/26
65/20
100/26
100/20
150100
100/16
80
30
80/20
50
200
40 60
125/26
125/20
125/32
80/40
805060
60
50/32
80100
150150
100200
200
100/40
100/32
400300300 400
800500600
600 8001000
400
80 100
500
140
150/26
Q[m3/h]
Q[l/s]
10
7
15
20
H(ft)
40
30
25
80
60
50
2000150010001500 2000
Q [IM.gpm]
Q[US.gpm]
200
150
100
Pump Dimensions(see note) Actual motor length may vary
depending on motor make supplied WITHDRAWAL
(see note)
H2
H1
B1
B2
4 HOLES S1 M2
M1
BCBB
4 HOLES S2 B4
B3
A F1 Lm W
7
KG
MODEL
FRAME IN OUT A F1 H1 H2 B1 B2 M1 M2 W S1 B3 B4 Lm B BB C S2 PUMP
MOTOR
FLANGES
PUMP
DIMENSIONS
MOTOR
DIMENSIONS
32-13 0.75/2 D80 80
32-13 1.1/2 D80 80
32-13 1.5/2 D90S 80
32-13 2.2/2 D90L 80
32-16 3.0/2 D100L 80
32-16 4.0/2 Dll2M 80
32-16 5.5/2 D132S 80
32-20 5.5/2 D132S 80
32-20 7.5/2 D132S 80
32-20 11.0/2 D160M 80 252
32-26 11.0/2 D160M 100 252
32-26 15.0/2 D160M 100 252
32-26 18.5/2 D160L 100 296
40-13 1.5/2 D90S 80 140 160 70
40-13 2.2/2 D90L 80
40-13 3.0/2 D100L 80
40-13 4.0/2 Dll2M 80
40-16 4.0/2 Dll2M 80
40-16 5.5/2 D132S 80
40-16 7.5/2 D132S2 80
40-20 7.5/2 D132S2 100
40-20 11.0/2 D160M 100
40-26 15.0/2 D160M 100
40-26 18.5/2 D160L 100
40-26 22.0/2 D180M 100 179
40-32 18.5/2 D160L 125
40-32 22.0/2 D180M 125
50-13 3.0/2 D100L 100
50-13 4.0/2 Dll2M 100
50-13 5.5/2 D132S 100
50-13 7.5/2 D132S 100
50-16 7.5/2 D132S 100
50-16 11.0/2 D160M 100
50-16 15/2 D160M
50
50
50
50
50
50
50
50
50
50
50
50
50
65
65
65
65
65
65
65
65
65
65
65
65
65
65
65
65
65
65
65
65
65
32
32
32
32
32
32
32
32
32
32
32
32
32
40
40
40
40
40
40
40
40
40
40
40
40
40
40
50
50
50
50
50
50
50 100
170
170
170
170
169
169
169
169
169
169
212
212
212
170
170
150
150
169
169
169
165
205
212
212
212
250
250
150
150
170
170
169
209
209
112
112
112
112
132
132
132
160
160
160
180
180
180
112
112
112
112
132
132
132
160
160
180
180
180
200
200
132
132
132
132
160
160
160
140
140
140
140
160
160
160
180
180
180
225
225
225
140
140
140
160
160
160
180
180
225
225
225
250
250
160
160
160
160
180
180
180
140
140
140
140
190
190
190
190
190
190
250
250
250
160
160
160
190
190
190
212
212
250
250
250
280
280
190
190
190
190
212
212
212
190
190
190
190
240
240
240
240
240
240
320
320
320
210
210
210
210
240
240
240
265
265
320
320
320
345
345
240
240
240
240
265
265
265
100
100
100
100
100
100
100
100
100
100
125
125
125
100
100
100
100
100
100
100
100
100
125
125
125
125
125
100
100
100
100
100
100
100
70
70
70
70
70
70
70
70
70
70
95
95
95
70
70
70
70
70
70
70
70
95
95
95
95
95
70
70
70
70
70
70
70
100
100
100
100
100
100
100
100
100
100
120
120
120
100
100
100
100
100
100
100
100
100
120
120
120
140
140
100
100
100
100
100
100
100
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
207
207
222
222
264
294
294
320
320
320
384
384
384
222
222
264
294
294
260
320
320
384
384
384
407
384
407
264
294
320
320
320
384
384
189
189
204
204
244
274
274
300
300
300
354
354
354
204
204
244
284
284
216
300
300
354
354
354
385
354
383
244
274
300
200
300
354
354
345
345
260
285
320
335
385
385
385
510
510
510
555
260
285
320
335
335
385
385
385
510
510
555
560
555
560
320
335
385
385
385
510
510
100
100
100
125
140
140
140
140
140
210
210
210
254
100
125
140
140
140
140
140
140
210
210
254
241
254
241
140
140
140
140
140
210
210
292
125
125
130
155
170
176
184
184
184
130
155
170
176
176
184
184
184
252
252
296
296
292
170
176
184
184
184
252
252
121
50
50
56
56
63
70
89
89
89
108
108
108
108
56
56
63
70
70
89
89
89
108
108
108
108
121
63
70
89
89
89
108
108
10
10
10
10
12
12
12
12
12
12
14
14
14
10
10
12
12
12
12
12
12
14
14
14
14
14
14
12
12
12
12
12
14
14
32
32
35
36
50
54
78
81
81
136
151
160
170
38
48
58
62
58
74
79
84
130
151
166
198
211
52
56
72
72
78
124
150
354555
100 1
100 1
384
384
407
529
529
529
320
320
384
384
384
407
384
407
407
407
407
384
384
384
407
407
407
407
384
407
407
407
407
407
207
207
207
222
222
264
207
207
222
222
264
264
294
407
407
120 1
120 1
120 1
100-16
100-16
100-16
100-20
100-20
100-20
50-20
50-20
50-26
50-32
50-32
50-32
65-13
65-13
65-16
65-16
65-16
65-16
65-20
65-20
65-20
65-26
65-26
65-26
80-16
80-16
80-16
80-16
80-16
80-20
80-20
80-20
32-13
32-16
32-20
32-20
32-26
32-26
40-13
40-16
40-20
40-20
40-26
40-26
40-32
15.0/2
18.5/2
22.0/2
30.0/2
37.0/2
45.0/2
5.5/2
7.5/2
11.0/2
15.0/2
18.5/2
22.0/2
18.5/2
22.0/2
30.0/2
30.0/2
37.0/2
45.0/2
11.0/2
15.0/2
18.5/2
22.0/2
30.0/2
30.0/2
37.0/2
45.0/2
18.5/2
22.0/2
30.0/2
30.0/2
37.0/2
45.0/2
0.55/4
0.55/4
0.75/4
1.1/4
1.5/4
2.2/4
0.55/4
0.75/4
1.1/4
1.5/4
2.2/4
3.0/4
4.0/4
D160M
D160L
D180M
D200L
D200L
D225M
D132S
D132S
D160M
D160M
D160L
D180M
D160L
D180M
D200L
D200L
D200L
D225M
D160M
D160M
D160L
D180M
D200L
D200L
D200L
D225M
D160L
D180M
D200L
D200L
D200L
D225M
D80
D80
D90S
D90L
D100L
D80
D80
D90S
D90L
D100L
D100L
Dll2M
65
65
65
65
65
65
80
80
80
80
80
80
80
80
80
80
80
80
100
100
100
100
100
100
100
100
125
125
125
125
125
125
50
50
50
50
50
50
65
65
65
65
65
65
65
50
50
50
50
50
50
65
65
65
65
65
65
65
65
65
65
65
65
80
80
80
80
80
80
80
80
100
100
100
100
100
100
32
32
32
32
32
32
40
40
40
40
40
40
40
100
100
100
125
125
125
100
100
100
100
100
100
100
100
100
100
100
100
125
125
125
125
125
125
125
125
125
125
125
125
125
125
80
80
80
80
100
100
80
80
100
100
100
100
125
211
211
212
250
250
250
170
170
209
209
209
209
209
209
209
210
210
210
207
207
207
167
167
226
226
226
255
255
255
226
226
226
170
169
169
169
172
172
170
169
165
165
172
172
210
160
160
180
225
225
225
160
160
160
160
160
180
180
180
180
200
200
225
180
180
180
180
180
200
200
225
200
200
200
200
200
225
112
132
160
160
180
180
112
132
160
160
180
180
200
225
250
250
200
200
225
280
280
280
180
180
200
200
200
200
225
225
225
250
250
250
225
225
225
225
250
250
250
250
280
280
280
140
160
180
180
225
225
140
160
180
180
225
225
250
212
212
250
280
280
280
212
212
212
212
212
212
250
250
250
280
280
280
250
250
250
250
250
280
280
280
280
280
280
280
280
280
140
190
190
190
250
250
160
190
212
212
250
250
280
320
265
265
320
345
345
345
280
280
280
280
280
280
320
320
320
360
360
360
320
320
320
320
345 345
345
360
360
360
360
360
360
190
240
240
240
320
320
210
240
265
265
320
320
345
100
100
125
125
125
125
125
125
125
125
125
125
125
125
125
160
160
160
125
125
125
125
125
125
125
125
160
160
160
160
160
160
100
100
100
100
125
125
100
100
100
100
125
125
125
120
120
120
120
120
120
70
70
95
95
95
95
95
95
95
95
95
95
95
95
95
120
120
120
95
95
95
95
95
95
95
95
70
70
70
70
95
95
70
70
70
70
95
95
95
100
100
120
140
140
140
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
140
140
140
140
140
140
100
100
100
100
120
120
100
100
100
100
120
120
140
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
18
18
18
14
14
14
4
4
4
4
4
18
18
18
18
18
18
14
14
14
14
14
14
14
14
14
14
14
14
14
354
354
383
479
479
479
300
300
354
354
354
383
383
383
383
383
383
354
354
354
383
383
383
383
383
354
383
383
383
383
383
189
189
189
204
204
244
189
189
204
204
244
244
274
510
555
560
660
660
705
385
385
510
510
555
560
560
660
660
660
705
510
510
555
560
660
660
660
705
555
560
660
660
660
705
245
245
245
260
285
320
245
245
260
285
320
320
335
210
254
241
305
286
311
140
140
210
210
254
241
254
241
305
305
305
311
210
210
254
241
305
305
305
311
254
241
305
305
305
311
100
100
100
100
125
140
100
100
100
125
140
140
140
252
296
292
365
344
369
184
184
252
252
296
292
296
292
365
365
365
369
252
252
296
292
365
365
365
369
296
292
365
365
365
369
125
125
125
130
155
170
125
125
130
155
170
170
176
108
108
121
133
133
149
89
89
108
108
108
121
108
121
133
133
133
149
108
108
108
121
133
133
133
149
108
121
133
133
133
149
50
50
50
56
56
63
50
50
56
56
63
63
70
14
14
14
18
18
18
12
12
14
14
14
14
14
14
18
18
18
18
14
14
14
14
18
18
18
18
14
14
18
18
18
18
10
10
10
10
10
12
10
10
10
10
12
12
12
132
148
179
328
328
371
80
80
142
142
142
155
151
164
255
285
285
310
141
141
156
169
245
287
287
312
176
189
261
291
291
316
32
36
47
50
75
85
34
40
51
52
85
85
117
Pump Dimensions
8
KG
MODEL
FRAME IN OUT A F1 H1 H2 B1 B2 M1 M2 W S1 B3 B4 Lm B BB C S2 PUMP
MOTOR
FLANGES
PUMP
DIMENSIONS
MOTOR
DIMENSIONS
D80
245
260 100 130
385
385
50-13
50-13
50-16
50-16
50-20
50-20
50-26
50-26
50-32
50-32
55-13
55-13
65-13
65-16
65-16
65-20
65-20
65-26
65-26
65-32
65-32
80-16
80-16
80-16
80-20
80-20
80-20
80-26
80-26
80-32
80-32
80-40
80-40
80-40
100-16
100-16
100-20
100-20
100-20
0.55/4
0.75/4
1.1/4
1.5/4
1.5/4
2.2/4
3.0/4
4.0/4
5.5/4
7.5/4
0.75/4
1.1/4
1.5/4
1.5/4/
2.2/4
3.0/4
4.0/4
5.5/4
7.5/4
7.5/4
11.0/4
1.5/4
2.2/4
3.0/4
4.0/4
5.5/4
7.5/4
7.5/4
11.0/4
11.0/4
15.0/4
18.5/4
22.0/4
30.0/4
2.2/4
3.0/4
4.0/4
5.5/4
7.5/4
D80
D80
D90S
D90L
D90L
D100L
D100L
D112M
D132S
D132M
D80
90S
D90L
D0L 9
D100L
D100L
Dll2M
D132S
D132M
D132M
D160M
D90L
D100L
D100L
D112M
D132S
D132M
D132M
D160M
D160M
D160L
D180M
DI80L
D200L
D100L
D112M
D112M
D132S
D132M
65
65
65
65
65
65
65
65
65
65
80
80
80
80
80
80
80
80
80
80
80
100
100
100
100
100
100
100
100
100
100
100
100
100
125
125
125
125
125
50
50
50
50
50
50
50
50
50
50
65
65
65
65
65
65
65
65
65
65
65
80
80
80
80
80
80
80
80
80
80
80
80
80
100
100
100
100
100
100
100
100
100
100
100
100
100
125
125
100
100
100
100
100
100
100
100
100
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
170
170
169
169
171
171
172
172
250
250
170
170
170
169
169
169
169
170
170
235
265
167
167
167
186
186
186
170
210
250
250
255
255
255
225
225
186
186
186
132
132
160
160
160
160
180
180
225
225
160
160
160
160
160
180
180
200
200
225
225
180
180
180
180
180
180
200
200
250
250
280
280
280
200
200
200
200
200
160
160
180
180
200
200
225
225
280
280
180
180
180
200
200
225
225
250
250
280
280
225
225
225
250
250
250
280
280
315
315
355
355
355
250
250
280
280
280
190
190
212
212
212
212
250
250
280
280
212
212
212
212
212
250
250
280
280
315
315
250
250
250
280
280
280
315
315
315
315
340
340
340
280
280
280
280
280
240
240
265
265
265
265
320
320
345
345
280
280
280
280
280
320
320
360
360
400
400
320
320
320
345
345
345
400
400
400
400
440
440
440
360
360
360
360
360
100
100
100
100
100
100
125
125
125
125
125
125
125
125
125
125
125
160
160
160
160
125
125
125
125
125
125
160
160
160
160
160
160
160
160
160
160
160
160
70
70
70
70
70
70
95
95
95
95
95
95
95
95
95
95
95
120
120
120
120
95
95
95
95
95
95
120
120
120
120
120
120
120
120
120
120
120
120
100
100
100
100
100
100
120
120
140
140
100
100
100
100
100
100
100
100
100
100
100
100
100
100
120
120
120
120
120
120
120
120
120
120
140
140
120
120
120
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
18
18
18
18
14
14
14
14
14
14
18
18
18
18
18
18
18
18
18
18
18
18
207
207
222
222
222
264
264
294
320
320
207
222
222
222
264
264
294
320
320
320
384
222
264
264
294
320
320
320
384
384
384
407
437
529
264
294
294
320
320
189
189
204
204
204
244
244
274
300
300
189
204
204
204
244
244
274
300
300
300
354
204
244
244
274
300
300
300
354
354
354
383
394
479
244
274
274
300
300
245
260
245
285
285
320
320
335
385
425
285
285
320
320
335
425
425
510
285
320
320
335
425
425
510
510
555
560
600
660
320
335
335
385
425
100
100
100
125
125
140
140
140
140
178
100
125
125
140
140
140
140
178
178
210
125
140
140
140
140
178
178
210
210
254
241
279
305
140
140
140
140
178
125
125
130
155
155
170
170
170
184
222
125
155
155
170
170
176
184
222
222
252
155
170
170
176
184
222
222
252
252
296
292
329
365
170
176
176
184
222
50
50
56
56
56
63
63
70
89
89
50
56
56
56
63
63
70
89
89
89
108
56
63
63
70
89
89
89
108
108
108
121
121
133
63
63
70
89
89
10
10
10
10
10
12
12
12
12
12
10
10
10
12
12
12
12
12
12
12
14
10
12
12
12
12
12
12
14
14
14
14
14
14
12
12
12
12
12
42
42
47
48
56
66
85
89
141
145
46
49
50
51
61
70
74
116
120
154
196
65
75
75
102
118
122
131
173
205
220
279
333
394
75
75
106
122
126
D
9
Pump Dimensions MODEL
FRAME IN OUT A F1 H1 H2 B1 B2 M1 M2 W S1 B3 B4 Lm B BB C S2 PUMP
MOTOR
FLANGES
PUMP
DIMENSIONS
MOTOR
DIMENSIONS
KG
Pump Dimensions
10
KG
MODEL
FRAME IN OUT A F1 H1 H2 B1 B2 M1 M2 W S1 B3 B4 Lm B BB C S2PUMP
MOTOR
FLANGES
PUMP
DIMENSIONS
MOTOR
DIMENSIONS
100-26 15/4 D160L 125 100
100-32 18.5/4 D180M 125 100
125-20 11/4 D160M 150 125
125-26 22/4 D180L 150 125
125-26 18.5/4 D180M 150 125
125-32 30/4 D200L 150 125
125-32 22/4 D180L 150 125
150-20 18.5/4 D180M 200 150
150-26 30/4 D200L 200 150
125
125
140
140
140
140
140
160
160
250
255
250
255
255
255
255
255
255
225
250
250
250
250
280
280
280
280
280
315
315
315
355
355
355
400
400
315
315
315
315
315
400
400
450
450
400
400
400
400
400
500
500
550
550
160
160
160
160
160
200
200
200
200
120
120
120
120
120
150
150
150
150
120
120
100
120
120
120
120
120
120
18
18
18
18
18
23
23
23
23
384
407
384
437
407
529
437
407
529
354
383
354
394
383
479
394
383
479
555
560
510
600
560
660
600
560
660
254
241
210
279
241
305
279
241
305
296
292
252
329
292
365
329
292
365
108
121
108
121
121
133
121
121
131
12
14
14
14
14
14
14
14
14
220
0 35
195
390
360
410
409
380
490
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