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12
NEPTUNE
FLAT EMITTER DRIPLINE
©2015 The Toro Company
Micro-Irrigation Business
1588 N. Marshall Avenue, El Cajon, CA 82020-1523, USA
Tel: +1 (800) 333-8125 or +1 (619) 562-2950
Fax: +1 (800) 892-1822 or +1 (619) 258-9973
toro.com
driptips.toro.com
ALT203 02/15
Flow rate
nominal
GPH at 8
PSI
Coefficient
of Variation
(Cv)
Barb loss
factor (Kd)
for 5/8”
tubing
Barb loss
factor (Kd)
for 7/8”
tubing
Emitter
Exponent
K
Value
Filtration
0.16 ≤ 3% .10 .05 0.50 0.0561 120 mesh
0.25 ≤ 3% .10 .05 0.51 0.0864 120 mesh
0.30 ≤ 3% .10 .05 0.51 0.1050 120 mesh
0.47 ≤ 3% .10 .05 0.50 0.1660 120 mesh
0.75 ≤ 3% .10 .05 0.49 0.2687 120 mesh
Flow Rates
Available in 8, 10, 13, 15 and 18 mil wall thickness
Emitter Flow Part
Number
Outlet Individual Emitter Flow Rate Q-100
Spacing gph lph gpm / 100 ft lph / 1 meter
in cm @ 8 PSI @ 10 PSI @ 0.55 bar @ 0.7 bar @ 1 bar @ 8 PSI @ 10 PSI @ 0.55 bar @ 0.7 bar @ 1 bar
0.16 GPH @ 8 PSI
TWXxx0816 8" 20 0.16 0.18 0.60 0.67 0.80 0.40 0.44 2.94 3.30 3.94
TWXxx1216 12" 30 0.16 0.18 0.60 0.67 0.80 0.26 0.29 1.96 2.20 2.62
TWXxx1416 14" 35 0.16 0.18 0.60 0.67 0.80 0.23 0.25 1.68 1.88 2.25
TWXxx1616 16" 40 0.16 0.18 0.60 0.67 0.80 0.20 0.22 1.47 1.65 1.97
TWXxx1816 18" 45 0.16 0.18 0.60 0.67 0.80 0.18 0.20 1.31 1.47 1.75
TWXxx2016 20" 50 0.16 0.18 0.60 0.67 0.80 0.16 0.18 1.18 1.32 1.57
TWXxx2416 24" 60 0.16 0.18 0.60 0.67 0.80 0.13 0.15 0.98 1.10 1.31
0.25 GPH @ 8 PSI
TWXxx0825 8" 20 0.25 0.29 0.95 1.08 1.30 0.64 0.71 4.66 5.31 6.40
TWXxx1225 12" 30 0.25 0.29 0.95 1.08 1.30 0.42 0.47 3.10 3.54 4.27
TWXxx1425 14" 35 0.25 0.29 0.95 1.08 1.30 0.36 0.41 2.66 3.03 3.66
TWXxx1625 16" 40 0.25 0.29 0.95 1.08 1.30 0.32 0.36 2.33 2.65 3.20
TWXxx1825 18" 45 0.25 0.29 0.95 1.08 1.30 0.28 0.32 2.07 2.36 2.84
TWXxx2025 20" 50 0.25 0.29 0.95 1.08 1.30 0.25 0.28 1.86 2.12 2.56
TWXxx2425 24" 60 0.25 0.29 0.95 1.08 1.30 0.21 0.24 1.55 1.77 2.13
0.30 GPH @ 8 PSI
TWXxx0830 8" 20 0.30 0.34 1.14 1.27 1.56 0.75 0.85 5.59 6.24 7.68
TWXxx1230 12" 30 0.30 0.34 1.14 1.27 1.56 0.50 0.57 3.73 4.16 5.12
TWXxx1430 14" 35 0.30 0.34 1.14 1.27 1.56 0.43 0.49 3.19 3.57 4.39
TWXxx1630 16" 40 0.30 0.34 1.14 1.27 1.56 0.38 0.43 2.79 3.12 3.84
TWXxx1830 18" 45 0.30 0.34 1.14 1.27 1.56 0.33 0.38 2.48 2.77 3.41
TWXxx2030 20" 50 0.30 0.34 1.14 1.27 1.56 0.30 0.34 2.24 2.50 3.07
TWXxx2430 24" 60 0.30 0.34 1.14 1.27 1.56 0.25 0.28 1.86 2.08 2.56
0.47 GPH @ 8 PSI
TWXxx0847 8" 20 0.47 0.53 1.78 1.99 2.40 1.17 1.31 8.76 9.78 11.81
TWXxx1247 12" 30 0.47 0.53 1.78 1.99 2.40 0.78 0.87 5.84 6.52 7.87
TWXxx1447 14" 35 0.47 0.53 1.78 1.99 2.40 0.67 0.75 5.00 5.59 6.75
TWXxx1647 16" 40 0.47 0.53 1.78 1.99 2.40 0.59 0.66 4.38 4.89 5.91
TWXxx1847 18" 45 0.47 0.53 1.78 1.99 2.40 0.52 0.58 3.89 4.35 5.25
TWXxx2047 20" 50 0.47 0.53 1.78 1.99 2.40 0.47 0.52 3.50 3.91 4.72
TWXxx2447 24" 60 0.47 0.53 1.78 1.99 2.40 0.39 0.44 2.92 3.26 3.94
0.75 GPH @ 8 PSI
TWXxx0875 8" 20 0.75 0.84 2.83 3.16
3.80 1.87 2.09 13.92 15.56 18.70
TWXxx1275 12" 30 0.75 0.84 2.83 3.16 3.80 1.24 1.39 9.28 10.37 12.47
TWXxx1475 14" 35 0.75 0.84 2.83 3.16 3.80 1.07 1.19 7.95 8.89 10.69
TWXxx1675 16" 40 0.75 0.84 2.83 3.16 3.80 0.93 1.04 6.96 7.78 9.35
TWXxx1875 18" 45 0.75 0.84 2.83 3.16 3.80 0.83 0.93 6.18 6.91 8.31
TWXxx2075 20" 50 0.75 0.84 2.83 3.16 3.80 0.75 0.83 5.57 6.22 7.48
TWXxx2475 24" 60 0.75 0.84 2.83 3.16 3.80 0.62 0.70 4.64 5.19 6.23
X - denotes 5 for 5/8” diameter, 7 for 7/8” diameter
xx - denotes mil thickness
Nominal flow per emitter at 8 PSI
Specifications
Internal
Diameter
Wall
Thickness
(Mil, .000")
Operating Pressure
Reel Length*
Psi bar
Min Max Min Max
Feet Meters
5/8" (0.635 inches)
(16 mm)
8 6 15 0.41 1.03 7,200 2,195
10 6 20 0.41 1.38 6,200 1,890
13 6 25 0.41 1.72 4,700 1,433
15 6 30 0.41 2.07 4,200 1,280
18 6 30 0.41 2.07 3,100 945
7/8" (0.880 inches)
(22 mm)
8 6 12 0.41 0.83 5,200 1,585
10 6 15 0.41 1.03 4,900 1,494
13 6 20 0.41 1.38 4,000 1,220
15 6 25 0.41 1.72 2,700 823
18 6 30 0.41 2.07 2,100 640
* For emitter spacing 12 inches/30 centimeters and above
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
6 8 10 12 14 16 18 20 22 24 26 28
30
FlowRate(Gph)
Pressure(psi)
NeptuneEmi8erFlowvs.Pressure
.16Gph .25Gph .30Gph .47Gph .75Gph
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
6 8 10 12 14 16 18 20 22 24 26 28 30
FlowRate(Gph)
Pressure(psi)
NeptuneEmi8erFlowvs.Pressure
.16Gph .25Gph .30Gph .47Gph .75Gph
Neptune Emitter Flow vs. Pressure
Flow Rate (Gph)
Pressure (psi)