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Institutional Series

I-20

Gear-Driven Sprinklers

I-20 Low Angle Nozzle (Gray) 
Performance Data

Pressure Radius

Flow

Precip in/hr

Nozzle

PSI

ft.

GPM

2.0 

LA

30
40

50

60

25'
27'

28'

30'

1.6
1.9

2.1

2.3

0.49
0.50

0.52

0.49

0.57
0.58

0.60

0.57

2.5 

LA

30
40

50

60

27'
30'

33'

35'

2.1
2.5

2.8

3.0

0.55
0.53

0.49

0.47

0.64
0.62

0.57

0.54

3.5 

LA

30
40

50

60

29'
32'

35'

37'

2.8
3.1

3.5

3.8

0.64
0.58

0.55

0.53

0.74
0.67

0.64

0.62

4.5 

LA

30
40

50

60

29'
32'

35'

37'

3.4
3.9

4.4

4.7

0.78
0.73

0.69

0.66

0.90
0.85

0.80

0.76

I-20 Standard Nozzle (Blue) 
Performance Data

Pressure Radius

Flow

Precip in/hr

Nozzle

PSI

ft.

GPM

1.5

25
35

45

55
65

29'
31'

31'

32'
32'

1.2
1.4

1.5

1.8
1.9

0.27
0.28

0.30

0.34
0.36

0.32
0.32

0.35

0.39
0.41

2.0

25
35

45

55
65

33'
33'

34'

34'
32'

1.4
1.7

2.0

2.1
2.3

0.25
0.30

0.33

0.35
0.43

0.29
0.35

0.38

0.40
0.50

2.5

25
35

45

55
65

33'
35'

35'

35'
35'

1.7
2.1

2.5

2.6
2.9

0.30
0.33

0.39

0.41
0.46

0.35
0.38

0.45

0.47
0.53

3.0

25
35

45

55
65

35'
36'

38'

39'
39'

2.2
2.7

3.0

3.4
3.7

0.35
0.40

0.40

0.43
0.47

0.40
0.46

0.46

0.50
0.54

4.0

25
35

45

55
65

37'
39'

40'

41'
41'

3.0
3.5

4.0

4.5
4.8

0.42
0.44

0.48

0.52
0.55

0.49
0.51

0.56

0.60
0.63

5.0

25
35

45

55
65

37'
39'

42'

42'
42'

3.7
4.5

5.0

5.7
6.2

0.52
0.57

0.55

0.62
0.68

0.60
0.66

0.63

0.72
0.78

6.0

25
35

45

55
65

38'
40'

43'

44'
44'

4.3
5.6

6.0

6.7
7.3

0.57
0.67

0.62

0.67
0.73

0.66
0.78

0.72

0.77
0.84

8.0

25
35

45

55
65

37'
41'

44'

46'
46'

6.0
7.0

8.0

9.0
9.8

0.84
0.80

0.80

0.82
0.89

0.97
0.93

0.92

0.95
1.03

I-20 High Flow Nozzles (Green) 
Performance Data

Pressure Radius

Flow

Precip in/hr

Nozzle

PSI

ft.

GPM

10 

40
50

60

70

42'
43'

45'

47'

8.4
9.5

10.5

11.4

0.92
0.99

1.00

0.99

1.06
1.14

1.15

1.15

13 

40
50

60

70

43'
44'

45'

47'

10.9
12.3

13.6

14.8

1.13
1.22

1.29

1.29

1.31
1.41

1.49

1.49

6.0 

LA

30
40

50

60

31'
35'

37'

39'

4.2
5.0

5.8

6.3

0.84
0.79

0.82

0.80

0.97
0.91

0.94

0.92

8.0 

LA

40
50

60

70

37'
39'

41'

41'

6.7
7.7

8.5

9.2

0.94
0.97

0.97

1.05

1.09
1.13

1.12

1.22

I-20 25' Short Radius Nozzle (Black) 
Performance Data

Pressure Radius

Flow

Precip in/hr

Nozzle

PSI

ft.

GPM

.75 

SR

30
40

50

60

23'
24'

25'

26'

0.58
0.68

0.75

0.83

0.21
0.23

0.23

0.24

0.24
0.26

0.27

0.27

1.5 

SR

30
40

50

60

23'
24'

25'

26'

1.1
1.3

1.5

1.6

0.40
0.43

0.46

0.46

0.46
0.50

0.53

0.53

3.0 

SR

30
40

50

60

23'
24'

25'

26'

2.5
2.7

3.0

3.1

0.91
0.90

0.92

0.88

1.05
1.04

1.07

1.02

Note:

 All precipitation rates calculated for 180 degree operation.

For the precipitation rate for a 360 degree sprinkler, divide by 2.

I-20 Low Angle Nozzle (Gray) 
Performance Data – Metric

Pressure

Radius

Flow

Precip mm/hr

Nozzle

Bars

kPa

m

m

3

/hr

l/min

2.0 

LA

1.7
2.0
2.5
3.0

3.5

4.0
4.5

172
200
248
303

352

400
448

7.3
7.6
7.9
8.2

8.5

8.8
9.1

0.33
0.36
0.40
0.45

0.48

0.52
0.55

5.6
6.0
6.7
7.4

8.0

8.6
9.1

12
12
13
13

13

13
13

14
14
15
15

15

15
15

2.5 

LA

1.7
2.0
2.5
3.0

3.5

4.0
4.5

172
200
248
303

352

400
448

7.9
8.2
8.8
9.4

10.1

10.4
10.7

0.44
0.47
0.53
0.59

0.64

0.68
0.72

7.3
7.9
8.8
9.8

10.6

11.3
12.0

14
14
14
13

13

13
13

16
16
16
15

15

15
15

3.5 

LA

1.7
2.0
2.5
3.0

3.5

4.0
4.5

172
200
248
303

352

400
448

8.5
8.8
9.1

10.1

10.7

11.0
11.3

0.58
0.62
0.68
0.75

0.80

0.85
0.89

9.7

10.3
11.4
12.5

13.3

14.1
14.8

16
16
16
15

14

14
14

18
18
19
17

16

16
16

4.5 

LA

1.7
2.0
2.5
3.0

3.5

4.0
4.5

172
200
248
303

352

400
448

8.2
8.8
9.1

10.1

10.7

11.0
11.3

0.71
0.76
0.84
0.93

1.00

1.06
1.12

11.8
12.7
14.1
15.5

16.6

17.6
18.6

21
19
20
18

18

18
18

24
23
23
21

20

20
20

 
Note:

 All precipitation rates calculated for 180 degree operation.

For the precipitation rate for a 360 degree sprinkler, divide by 2.

I-20 Standard Nozzle (Blue) 
Performance Data – Metric

Pressure

Radius

Flow

Precip mm/hr

Nozzle

Bars

kPa

m

m

3

/hr

l/min

1.5

2.0
2.5
3.0

3.5

4.0
4.5

200
250
300

350

400
450

9.1
9.4
9.8

9.8

9.8
9.4

0.29
0.32
0.35

0.38

0.41
0.43

4.8
5.4
5.9

6.4

6.8
7.2

7
7
7

8

9

10

8
8
9

9

10
11

2.0

2.0
2.5
3.0

3.5

4.0
4.5

200
250
300

350

400
450

10.1
10.1
10.4

10.4

10.4
10.4

0.35
0.39
0.43

0.47

0.50
0.53

5.8
6.5
7.2

7.8

8.3
8.8

7
8
8

9

9

10

8
9
9

10

11
11

2.5

2.0
2.5
3.0

3.5

4.0
4.5

200
250
300

350

400
450

10.4
10.7
10.7

10.7

10.7
10.7

0.43
0.48
0.54

0.58

0.62
0.66

7.1
8.0
8.9

9.7

10.4
11.1

8
8
9

10

11
12

9

10
11

12

13
13

3.0

2.0
2.5
3.0

3.5

4.0
4.5

200
250
300

350

400
450

10.7
11.0
11.6

11.9

11.9
11.9

0.54
0.61
0.68

0.74

0.79
0.84

9.1

10.2
11.4

12.3

13.2
14.0

10
10
10

10

11
12

11
12
12

12

13
14

4.0

2.0
2.5
3.0

3.5

4.0
4.5

200
250
300

350

400
450

11.6
11.9
12.2

12.2

12.5
12.5

0.73
0.81
0.90

0.97

1.04
1.10

12.2
13.6
15.0

16.2

17.3
18.3

11
12
12

13

13
14

13
13
14

15

15
16

5.0

2.0
2.5
3.0

3.5

4.0
4.5

200
250
300

350

400
450

11.6
11.9
12.8

12.8

12.8
12.8

0.91
1.02
1.14

1.24

1.32
1.41

15.2
17.1
19.0

20.6

22.1
23.4

14
15
14

15

16
17

16
17
16

17

19
20

6.0

2.0
2.5
3.0

3.5

4.0
4.5

200
250
300

350

400
450

11.9
12.2
13.1

13.1

13.4
13.4

1.09
1.22
1.36

1.47

1.57
1.67

18.2
20.4
22.7

24.5

26.2
27.9

15
16
16

17

18
19

18
19
18

20

20
21

8.0

2.0
2.5
3.0

3.5

4.0
4.5

200
250
300

350

400
450

11.9
12.5
13.4

13.7

14.0
14.0

1.46
1.63
1.81

1.95

2.09
2.22

24.3
27.2
30.2

32.6

34.8
36.9

21
21
20

21

21
23

24
24
23

24

25
26

I-20 5.5 m Short Radius Nozzle (Black) 
Performance Data – Metric

Pressure

Radius

Flow

Precip mm/hr

Nozzle

Bars

kPa

m

m

3

/hr

l/min

.50 

SR

1.7
2.0
2.5
3.0

3.5

4.0
4.5

172
200
248
303

352

400
448

4.9
5.2
5.2
5.2

5.5

5.5
5.5

0.07
0.08
0.09
0.10

0.12

0.13
0.14

1.2
1.3
1.5
1.7

1.9

2.1
2.3

6
6
7
8

8

8
9

7
7
8
9

9

10
10

1.0 

SR

1.7
2.0
2.5
3.0

3.5

4.0
4.5

172
200
248
303

352

400
448

4.9
5.2
5.2
5.2

5.5

5.5
5.5

0.16
0.17
0.19
0.21

0.23

0.25
0.26

2.7
2.9
3.2
3.6

3.8

4.1
4.3

14
13
14
16

15

16
17

16
15
17
18

18

19
20

2.0 

SR

1.7
2.0
2.5
3.0

3.5

4.0
4.5

172
200
248
303

352

400
448

4.9
5.2
5.2
5.2

5.5

5.5
5.5

0.28
0.31
0.36
0.41

0.45

0.49
0.53

4.7
5.2
6.0
6.9

7.6

8.2
8.9

24
23
27
31

30

33
35

27
27
31
35

35

38
41

I-20 7.6 m Short Radius Nozzle (Black) 
Performance Data – Metric

Pressure

Radius

Flow

Precip mm/hr

Nozzle

Bars

kPa

m

m

3

/hr

l/min

.75 

SR

1.7
2.0
2.5
3.0

3.5

4.0
4.5

172
200
248
303

352

400
448

6.7
7.0
7.0
7.3

7.6

7.6
7.6

0.12
0.13
0.15
0.16

0.17

0.19
0.20

2.0
2.2
2.4
2.7

2.9

3.1
3.3

5
5
6
6

6

6
7

6
6
7
7

7

7
8

1.5 

SR

1.7
2.0
2.5
3.0

3.5

4.0
4.5

172
200
248
303

352

400
448

6.7
7.0
7.0
7.3

7.6

7.6
7.6

0.23
0.25
0.28
0.31

0.34

0.36
0.39

3.8
4.1
4.6
5.2

5.6

6.0
6.4

10
10
11
12

12

12
13

12
12
13
13

13

14
15

3.0 

SR

1.7
2.0
2.5
3.0

3.5

4.0
4.5

172
200
248
303

352

400
448

6.7
7.0
7.0
7.3

7.6

7.6
7.6

0.53
0.56
0.60
0.64

0.67

0.70
0.73

8.9
9.3

10.0
10.7

11.2

11.7
12.1

24
23
24
24

23

24
25

27
26
28
28

27

28
29

I-20 SHORT RADIUS NOZZlES
p/N 466100 (black)

NON-REvERSINg 360
This I-20 sprinkler is designed as a part- and 

full-circle in one model. When the sprinkler 

is adjusted to the full-circle position, the 

sprinkler will rotate in a continuous counter-

clockwise direction. This saves everyone from 

stocking additional full-circle only models 

while efficiently irrigating the landscapes.

I-20 18' Short Radius Nozzle (Black) 
Performance Data

Pressure Radius

Flow

Precip in/hr

Nozzle

PSI

ft.

GPM

.50 

SR

30
40

50

60

17'
17'

18'

19'

0.36
0.43

0.50

0.57

0.24
0.29

0.30

0.30

0.28
0.33

0.34

0.35

1.0 

SR

30
40

50

60

17'
17'

18'

19'

0.78
0.90

1.0

1.1

0.52
0.60

0.59

0.59

0.60
0.69

0.69

0.68

2.0 

SR

30
40

50

60

17'
17'

18'

19'

1.4
1.7

2.0

2.2

0.93
1.13

1.19

1.17

1.08
1.31

1.37

1.35

I-20 High Flow Nozzles (Green) 
Performance Data – Metric

Pressure

Radius

Flow

Precip mm/hr

Nozzle

Bars

kPa

m

m

3

/hr

l/min

10 

1.7
2.0
2.5
3.0
3.5

4.0

4.5

172
200
248
303
352

400

448

10.7
11.9
12.5
12.8
13.1

13.7

14.0

1.48
1.60
1.80
2.01
2.18

2.34

2.49

24.6
26.7
30.0
33.5
36.3

39.0

41.5

26
23
23
25
25

25

25

30
26
27
28
29

29

29

13 

1.7
2.0
2.5
3.0
3.5

4.0

4.5

172
200
248
303
352

400

448

11.0
12.2
12.8
13.1
13.4

13.7

14.0

1.91
2.08
2.34
2.61
2.83

3.03

3.23

31.9
34.6
38.9
43.4
47.1

50.5

53.8

32
28
29
30
31

32

33

37
32
33
35
36

37

38

6.0 

LA

1.7
2.0
2.5
3.0
3.5

4.0

4.5

172
200
248
303
352

400

448

9.1
9.4

10.1
10.7
11.3

11.6

11.9

0.86
0.94
1.07
1.20
1.31

1.42

1.52

14.3
15.6
17.8
20.0
21.9

23.6

25.3

21
21
21
21
21

21

21

24
24
24
24
24

24

25

8.0 

LA

1.7
2.0
2.5
3.0
3.5

4.0

4.5

172
200
248
303
352

400

448

10.1
10.7
11.3
11.6
11.9

12.5

12.5

1.17
1.28
1.44
1.61
1.76

1.89

2.01

19.5
21.3
24.0
26.9
29.3

31.5

33.6

23
22
23
24
25

24

26

27
26
26
28
29

28

30

Note:

 All precipitation rates calculated for 180 degree operation.

For the precipitation rate for a 360 degree sprinkler, divide by 2.

I-20 HIgH FlOW NOZZlES
p/N 444800 (green)

Reviews: