Specifications
• Pressure Range: 25–75 psi (1.8–5.3 kg/cm
• Optimum Pressure: 50 psi (3.5 kg/cm
• Arc Range: 40°–360° (Part Circle Models)
Sprinkler Performance at 25° Trajectory
Flow Adj. Pressure
Radius
Flow
Precipitation Rate*
GPM
PSI
feet
GPM
1
50
31
1.34
1.5
50
33
1.67
2
50
37
2.63
3
50
38
3.44
4
50
41
4.56
4.5
50
42
5.14
6
50
47
6.90
8
50
48
8.41
9
50
48
9.40
* Precipitation rates are calculated at 55% of diameter for triangular spacing and 50% of diameter for square spacing.
Disassembly
1
Remove Rubber Cover
1. Grasp lower edge of
rubber cover and pull
away from lip of body
as shown.
2
Remove Snap Ring
1. Insert Toro tool into snap ring slot until
gray interlocking ring beneath snap ring
is pressed down.
2. With twisting motion, disen-
gage snap ring from body.
2
3. Twist snap ring out.
4. Remove sprinkler assembly
from body.
S
PECIFICATIONS AND
2
) (172.4–517.1 kPa)
2
) (344.8 kPa)
Flow Adj.
Pressure
in/hr
in/hr
l/mn
kg/cm
kPa
2
0.13
0.13
4
3.5
344.8
0.14
0.15
6
3.5
344.8
0.18
0.19
8
3.5
344.8
0.22
0.23
11
3.5
344.8
0.25
0.26
15
3.5
344.8
0.27
0.28
17
3.5
344.8
0.29
0.30
23
3.5
344.8
0.34
0.35
30
3.5
344.8
0.37
0.39
34
3.5
344.8
Reassembly
Install Sprinkler Assembly
1
1. To maintain left side arc alignment of part circle
sprinkler, position alignment keys as shown.
2. Insert sprinkler assembly into body.
1
V-1550-12
3
© 2000 THE TORO COMPANY • IRRIGATION DIVISION
S
ERVICE
• Nozzle Trajectory: 7°–25°
• Inlet Size:
3
/
"
4
Radius
Flow
Precipitation Rate*
meters
l/mn
m
/hr
mm/hr
3
9.4
5.0
0.30
3.26
10.0
6.3
0.38
3.59
11.2
10.0
0.60
4.53
11.5
12.9
0.78
5.57
12.4
17.2
1.03
6.35
12.7
19.3
1.16
6.82
14.3
26.0
1.56
7.31
14.6
31.6
1.90
8.54
14.6
35.4
2.12
9.54
Alignment
Keys
V-1550-4
PRINTED IN U.S.A.
I
NSTRUCTIONS
2
Install Snap Ring
1. Place snap ring into body with beveled
side down.
mm/hr
3.42
3.76
4.74
5.84
6.65
7.14
7.66
8.95
CAUTION: Snap ring must be properly
10.00
installed in body groove and with gray
interlocking ring as shown to ensure
retention of sprinkler assembly.
Right
Wrong
3
Install Rubber Cover
V-1550-4
1. For part circle
sprinkler, align
arrow on cover with
alignment keys on
body as shown.
2. Push cover onto lip
of body to secure.
V-1550-12
FORM NO.
368-0095 REV. E