Roots Blower Perfomance Table
TEII - Wastewater Depot - Catalog Index - Roots Blowers - Performance Table

FRAME
SIZE

SPEED
RPM

1 PSI

2 PSI

3 PSI

4 PSI

5 PSI

6 PSI

7 PSI

10 PSI

11 PSI

12 PSI

15 PSI

MAX. VACUUM
CFM BHP CFM BHP CFM BHP CFM BHP CFM BHP CFM BHP CFM BHP CFM BHP CFM BHP CFM BHP CFM BHP "Hg CFM BHP

22

1160
3600
5275

10
49
76

0.2
0.6
0.8

7
46
73

0.3
1.1
1.6

4
43
70

0.3
0.8
1.2

2
41
68

0.4
1.3
1.9


39
66


1.6
2.3


38
64


1.8
2.7


36
63


2.1
3.1


32
56


2.8
4.2


31
57


3.1
4.5


29
56


3.3
4.9

 1 1

4
14
15

6
28
53

0.3
2.0
3.1

24

1160
3600
5275

24
102
156

0.3
0.8
1.2

19
97
150

0.4
1.3
1.9

15
93
146

0.6
1.8
2.7

11
89
143

0.8
2.3
3.4

8
86
140

0.9
2.8
4.2


83
137


3.3
4.9


81
135


3.8
5.6

 1 1 1 1 1 1 1 1

6
14
45

12
69
119

0.6
3.8
5.8

32

1160
2800
3600

40
113
149

0.4
1.0
1.3

34
108
144

0.6
1.6
2.0

30
104
140

0.9
2.1
2.7

27
101
137

1.1
2.7
3.4

24
98
134

1.3
3.2
4.1

21
95
131

1.6
3.8
4.8

19
93
129

1.8
4.3
5.5


86
122


6.0
7.7


84
6.5


6.5
8.4


82
118


7.1
9.1


77
113


8.7
11.2

10
15
15

18
78
114

1.3
4.5
5.8

33

1160
2800
3600

55
156
205

0.5
1.2
1.6

48
149
199

0.8
2.0
2.5

43
144
193

1.1
2.7
3.5

39
140
189

1.4
3.5
4.5

35
136
185

1.7
4.2
5.4

31
132
181

2.1
5.0
6.4

28
129
178

2.4
5.7
7.4


120
170


8.0
10.3


118
167


8.7
11.2


116
165


9.5
12.2

 1 1

10
14
15

27
113
159

1.7
5.6
7.6

36

1160
2800
3600

95
262
344

0.7
2.0
2.9

85
253
334

1.2
3.3
4.5

78
245
327

1.7
4.5
6.1

72
239
321

2.3
5.8
7.7

66
234
315

2.8
7.0
9.3

61
229
310

3.3
8.3
10.9

57
224
306

3.8
9.5
12.5

 1 1 1 1 1 1 1 1

10
12
15

55
213
278

2.7
7.9
12.7

42

860
1760
3600

38
92
204

0.4
0.8
1.7

32
87
198

0.6
1.3
2.6

28
82
194

0.9
1.8
3.6

24
78
190

1.1
2.2
4.5

21
75
186

1.3
2.7
5.5

18
72
183

1.5
3.1
6.4

15
69
181

1.8
3.6
7.4


62
173


5.0
10.2


60
171


5.5
11.2


58
169


59
12.1



163



15.0

8
14
15

19
56
164

1.1
3.5
7.6

45

860
1760
3600

79
188
410

0.6
1.3
3.4

68
177
400

1.1
2.2
5.3

60
169
392

1.5
3.1
7.2

53
162
385

2.0
4.1
9.1

48
156
379

2.4
5.0
11.0

42
151
374

2.9
5.9
12.9

37
146
369

3.4
6.9
14.8


133
356


9.6
20.5

 1 1 1 1 1 1

8
12
15

46
134
339

1.9
5.8
15.0

47

860
1760
3600

105
249
542

0.8
1.6
4.5

92
236
529

1.4
2.8
7.0

82
225
519

2.0
4.0
9.5

73
217
510

2.6
5.3
12.0

66
209
503

3.2
6.5
14.3

59
203
496

3.8
7.7
17.0

53
196
490

4.4
8.9
19.5

 1 1 1 1 1 1 1 1

8
12
15

63
181
452

2.5
7.5
19.8

53

700
1760
2850

72
211
355

0.6
1.7
3.3

63
203
346

1.0
2.7
5.0

56
196
340

1.4
3.7
6.6

51
191
334

1.8
4.7
8.2

46
186
329

2.2
5.7
9.9

42
181
325

2.6
6.7
11.5

38
177
321

3.0
7.7
13.2


167
310


10.8
18.1


163
307


11.8
19.7


160
304


12.8
21.3

 

295

 

26.2

10
14
15

36
158
296

2.2
7.5
13.2

56

700
1760
2850

123
358
598

0.9
2.6
5.2

110
345
585

1.6
4.6
8.0

100
335
575

2.2
6.0
10.7

92
326
567

2.9
7.7
13.5

85
319
560

3.6
9.4
16.2

78
312
553

4.3
11.1
19.0

72
306
547

4.9
12.8
21.7


290
531


17.9
30.0

10
14
15

70
276
510

3.5
12.3
21.9

59

700
1760
2850

187
529
881

1.2
3.9
7.8

170
513
865

2.2
6.4
11.8

158
500
852

3.2
8.9
15.8

147
490
842

4.2
11.4
19.9

138
480
832

5.1
13.8
23.9

130
472
824

6.1
16.3
27.9


464
816


18.8
31.9

 1 1 1 1 1 1 1 1

8
12
15

135
445
770

4.1
15.6
32.1

65

700
1760
2850

140
400
546

1.0
3.4
5.2

126
387
532

1.8
5.3
7.7

116
377
522

2.6
7.2
0.3

107
368
513

3.3
9.1
12.8

100
360
506

4.1
11.0
15.3

93
353
499

4.8
12.8
17.8

86
347
492

5.5
14.7
20.3

70
330
475

7.8
20.4
27.4


325
470


22.3
30.4


320
466


24.2
32.9


307
452


29.8
40.5

12
16
16

71
300
445

4.7
15.8
21.6

68

700
1760
2350

224
643
876

1.5
4.9
7.3

203
621
855

2.7
7.9
11.4

187
605
838

3.9
10.9
15.4

172
591
824

5.1
14.0
19.5

160
579
812

6.3
17.0
23.5

149
567
801

7.5
20.0
27.6

139
557
790

 8.7
23.1
31.6


530
763


32.2
43.8


522
755


35.2
47.8


515
748


38.2
51.9

 1 1

10
15
16

135
495
715

6.2
23.5
34.0

615

700
1760
2350

420
1205
1641

2.6
8.1
11.9

380
1164
1601

4.8
13.9
19.3

351
1133
1570

7.1
19.5
27.0

323
1107
1544

9.3
25.2
34.6

301
1084
1521

11.6
30.8
43.2

279
1063
1500

13.8
36.5
49.8

 1 1 1 1 1 1 1 1 1 1

8
12
12

292
997
1433

9.1
35.0
47.5

76

575
1400
2050

195
526
788

1.3
4.0
6.9

179
511
772

2.3
6.4
10.5

168
500
761

3.3
9.0
14.2

158
490
751

4.3
11.5
17.8

150
481
742

5.4
13.9
21.4

142
473
734

6.4
16.4
25.0

134
466
727

7.4
18.8
28.6

115
447
708

10.4
26.3
39.5


441
703


28.7
43.1


436
697


31.2
46.7


421
682


38.6
57.6

12
16
16

117
413
674

6.0
20.4
30.6

711

575
1400
2050

362
970
1450

2.2
6.5
10.9

336
944
1424

4.0
11.0
17.5

316
925
1404

5.9
15.5
24.1

299
908
1387

7.7
20.0
30.7

284
893
1373

9.6
24.5
37.3

271
880
1359

11.4
29.0
43.9

258
867
1347

13.3
33.5
50.5

226
835
1315

18.8
47.1
70.3

 1 1 1 1 1 1

12
15
16

228
793
1256

11.2
34.4
54.6

718

575
1400
2050

600
1590
2370

3.3
9.7
15.7

563
1553
2333

6.3
17.0
26.9

534
1524
2304'

9.3
24.3
37.2

510
1500
2280

12.3
31.6
47.9

489
1479
2259

15.4
39.0
58.6

470
1460
2240

 18.4
46.3
69.4		 1 1 1 1 1 1 1 1 1 1

10
12
12

446
1398
2178

15.0
44.6
66.4

Notes:
1. Pressure ratings based on inlet air at standard pressure of 14.7 psia, standard temperature of 68°F, and specific gravity of 1.0.
2. Vacuum ratings based on inlet air at standard temperature of 68°F, discharge pressure of 30" Hg and specific gravity of 1.0.

 

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