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