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Recommended Distance to Run a Drip System

 

Maximum run of 1/4" distribution tubing and 1/2" (.600 ID) drip hose with button and flag drippers
 Flow Deviation  7%  Dripper spacing in feet on 1/4" distribution tubing
 Dripper spacing in feet on 1/2' poly hose
Products
Flow rates
 1'
 2'
3'
4'
 5'
 1'
 2'
3'
 4'
5'
Button dripper
 1 gph
 17
26
 36
24
45
 140
 230
 310
350
400
Button dripper
 .5 gph
 26
 40
 50
 64
 70
 195
 320
 430
 525
 610
Button dripper
 2 gph
 10
16
21
 24
 30
 80
145
 175
 230
 270
Flag dripper
 1 gph
 17
 26
36
40
 45
 125
220
300
 330
 370
Adjustable  dripper
 1 to10 gph
 Depend on flow rates 

 

Maximum run of 1/4" distribution tubing or 1/2" (.600 ID) drip hose with PC dripper
 Flow Deviation 7%
 Dripper spacing in feet on 1/4" distribution tubing
 Dripper spacing in feet on 1/2" poly tube
Products
  Flow rates
 1'
 2'
3'
4'
 5'
 1'
 2'
3'
 4'
 5'
PC button dripper
 1 gph
 35
 50
 72
 88
105
 320
 530
 670
820
970
PC button dripper
 2 gph
 25
 36
 45
 56
 65
 190
 310
 420
 510
 610
PC button dripper
 4 gph
 14
 22
30
 36
 40
120
200
 250
 320
 450

Maximum Recommended Drip tubing length (in feet) on flat terrain Using A PC dripper
Flow Rate
GPH
Dripper Spacing
(inches)
Drip Tubing Size
.620 OD
Drip Tubing Size
.700 OD
Inlet Pressure
15 30 45 15 30 45
0.5 12 218 337 406 274 422 512
0.5 16 271 422 508 340 528 640
0.5 20 323 502 607 403 627 759
0.5 24 370 574 696 455 713 865
0.5 30 432 680 809 521 838 1013
0.5 40 512 809 990 640 1016 1221
0.5 50 611 941 1155 749 1188 1419
1 12 152 234 281 188 294 356
1 20 224 350 422 277 436 528
1 30 304 472 571 373 584 706
1 40 363 568 693 442 706 858
1 50 422 660 812 521 825 1010
2 12 96 149 178 119 185 224
2 24 142 221 267 175 274 330
2 30 195 300 363 234 370 449
2 40 231 356 429 271 442 538
2 50 271 422 502 327 515 627

 

Maximum run of drip line with PC dripper 1.0 GPH
This chart describes the maximum length you can run the drip line and operate it properly
 Length of Run
Drippers Spacing in Inches
 12"
 18"
24"
30"
36"
100'  1.3  0.6 0.3 0.2 0.2.
 200'  10.5 4.2 2.4 1.6 1.1
 300'  35.0 13.2 7.5 4.9 3.4
 400'  78.8 29.7 16.7 10.8 7.6
 500'   55.6 31.2 20.2 14.2
 600'     52.0 33.6 23.7
(K = .98, X = .03)
 Orange color: not recommended

 

 Maximum run of drip line with PC dripper .5 GPH

  This chart describes the maximum length you can run the drip line and operate it properly

 Length of Run

Drippers Spacing in Inches
 12"  18" 24" 30" 36"
 100  0.06 .02 0.1 0.1 0.1
 200  3.75 1.6 0.9 0.6 0.4
 300  12.9 5.1 2.9 1.9 1.3
 400  30.1 11.4 6.4 4.2 3.0
 500  56.5 21.3 12.0 7.8 5.5
 600  85.0 35.5 20.0 13.0 9.2
 700   54.8 30.8 20.0 14.1
 800   79.8 44.8 29.0 20.5