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15-20L

Half Inch Impact Sprinklers – Part Circle – 15-20L

Model 15-20L

Full or part circle impact – adjustable from 25° to 340°
Low-angle available with 7° , 12° , 15° , 18°, or 20°
1/2¨ Male N.P.T. Single nozzle
Cast-bronze head with cored water passage and double-bridge construction
F/P trip standard
Cast-bronze lever with I-Beam construction for added strength
Wide impact area increases lever life
Stainless steel parts include spindle, fulcrum pin, trip pins, lever spring, bearing, trip springs, and trip collars
Designed as a small, all-purpose, low-angle, full-or-part circle, single-nozzle, intermediate-pressure sprinkler
Perfect companion for all small, low-angle sprinklers where arc of coverage must be adjustable

SKU: 15-20L Categories: 1/2 Inch, Full Circle, Impact Sprinklers, Part Circle

Description

Description

Model 15-20L-7° Standard Nozzle Performance (Highest point of stream above nozzle is 7′ @ normal pressure)

Standard
Metric

Nozzle	7/64″	1/8″	9/64″	5/32″	11/64″	3/16″
PSI	Rad. GPM	Rad. GPM	Rad. GPM	Rad. GPM	Rad. GPM	Rad. GPM
30	27 1.87	28 2.42	29 3.17	30 3.89	31 4.65	32 5.47
35	28 2.02	29 2.63	30 3.33	31 4.27	32 5.02	33 5.92
40	29 2.22	30 2.86	31 3.70	32 4.55	33 5.38	34 6.34
45	30 2.37	31 3.06	32 3.92	33 4.73	34 5.72	35 6.73
50	31 2.49	32 3.19	33 4.16	34 5.06	35 6.02	36 7.11
55	32 2.62	33 3.35	34 4.35	35 5.33	36 6.31	37 7.46

Nozzle	.28cm			.32cm			.36cm			.4cm			.44cm			.48cm
BAR	Dia	LPS	m3/h	Dia	LPS	m3/h	Dia	LPS	m3/h	Dia	LPS	m3/h	Dia	LPS	m3/h	Dia	LPS	m3/h
2.1	8.2	7.1	0.4	8.5	9.2	0.5	8.8	12.0	0.7	9.1	14.7	0.9	9.4	17.6	1.1	9.8	20.7	1.2
2.4	8.5	7.6	0.5	8.8	10.0	0.6	9.1	12.6	0.8	9.4	16.2	1.0	9.8	19.0	1.1	10.1	22.4	1.3
2.8	8.8	8.4	0.5	9.1	10.8	0.6	9.4	14.0	0.8	9.8	17.2	1.0	10.1	20.4	1.2	10.4	24.0	1.4
3.1	9.1	9.0	0.5	9.4	11.6	0.7	9.8	14.8	0.9	10.1	17.9	1.1	10.4	21.7	1.3	10.7	25.5	1.5
3.4	9.4	9.4	0.6	9.8	12.1	0.7	10.1	15.7	0.9	10.4	19.2	1.1	10.7	22.8	1.4	11.0	26.9	1.6
3.8	9.8	9.9	0.6	10.1	12.7	0.8	10.4	16.5	1.0	10.7	20.2	1.2	11.0	23.9	1.4	11.3	28.2	1.7

Model 15-20L-12° Standard Nozzle Performance (Highest point of stream above nozzle is 4′ @ normal pressure)

Standard
Metric

Nozzle	7/64″	1/8″	9/64″	5/32″	11/64″	3/16″
PSI	Rad. GPM	Rad. GPM	Rad. GPM	Rad. GPM	Rad. GPM	Rad. GPM
30	28 1.88	29 2.43	30 3.18	31 3.90	32 4.66	33 5.48
35	29 2.03	30 2.64	31 3.54	32 4.28	33 5.03	34 5.93
40	30 2.23	31 2.87	32 3.71	33 4.56	34 5.39	35 6.35
45	31 2.38	32 3.07	33 3.93	34 4.74	35 5.73	36 6.74
50	32 2.50	33 3.20	34 4.17	35 5.07	36 6.03	37 7.12
55	33 2.63	34 3.36	35 4.36	36 5.34	37 6.32	38 7.47

Nozzle	.28cm			.32cm			.36cm			.4cm			.44cm			.48cm
BAR	Dia	LPS	m3/h	Dia	LPS	m3/h	Dia	LPS	m3/h	Dia	LPS	m3/h	Dia	LPS	m3/h	Dia	LPS	m3/h
2.1	8.5	7.1	0.4	8.8	9.2	0.6	9.1	12.0	0.7	9.4	14.8	0.9	9.8	17.6	1.1	10.1	20.7	1.2
2.4	8.8	7.7	0.5	9.1	10.0	0.6	9.4	13.4	0.8	9.8	16.2	1.0	10.1	19.0	1.1	10.4	22.4	1.3
2.8	9.1	8.4	0.5	9.4	10.9	0.7	9.8	14.0	0.8	10.1	17.3	1.0	10.4	20.4	1.2	10.7	24.0	1.4
3.1	9.4	9.0	0.5	9.8	11.6	0.7	10.1	14.9	0.9	10.4	17.9	1.1	10.7	21.7	1.3	11.0	25.5	1.5
3.4	9.8	9.5	0.6	10.1	12.1	0.7	10.4	15.8	0.9	10.7	19.2	1.2	11.0	22.8	1.4	11.3	27.0	1.6
3.8	10.1	10.0	0.6	10.4	12.7	0.8	10.7	16.5	1.0	11.0	20.2	1.2	11.3	23.9	1.4	11.6	28.3	1.7

Model 15-20L-20° Standard Nozzle Performance (Highest point of stream above nozzle is 5′ @ normal pressure)

Standard
Metric

Nozzle	7/64″	1/8″	9/64″	5/32″	11/64″	3/16″
PSI	Rad. GPM	Rad. GPM	Rad. GPM	Rad. GPM	Rad. GPM	Rad. GPM
30	29 1.89	30 2.44	31 3.19	32 3.91	33 4.67	34 5.49
35	30 2.04	31 2.65	32 3.35	33 4.29	34 5.04	35 5.94
40	31 2.24	32 2.88	33 3.72	34 4.57	35 5.40	36 6.36
45	32 2.39	33 3.08	34 3.94	35 4.75	36 5.74	37 6.75
50	33 2.51	34 3.21	35 4.18	36 5.08	37 6.04	38 7.13

Nozzle	.28cm			.32cm			.36cm			.4cm			.44cm			.48cm
BAR	Dia	LPS	m3/h	Dia	LPS	m3/h	Dia	LPS	m3/h	Dia	LPS	m3/h	Dia	LPS	m3/h	Dia	LPS	m3/h
2.1	8.8	7.2	0.4	9.1	9.2	0.6	9.4	12.1	0.7	9.8	14.8	0.9	10.1	17.7	1.1	10.4	20.8	1.2
2.4	9.1	7.7	0.5	9.4	10.0	0.6	9.8	12.7	0.8	10.1	16.2	1.0	10.4	19.1	1.1	10.7	22.5	1.3
2.8	9.4	8.5	0.5	9.8	10.9	0.7	10.1	14.1	0.8	10.4	17.3	1.0	10.7	20.4	1.2	11.0	24.1	1.4
3.1	9.8	9.0	0.5	10.1	11.7	0.7	10.4	14.9	0.9	10.7	18.0	1.1	11.0	21.7	1.3	11.3	25.6	1.5
3.4	10.1	9.5	0.6	10.4	12.2	0.7	10.7	15.8	0.9	11.0	19.2	1.2	11.3	22.9	1.4	11.6	27.0	1.6
3.8	10.4	10.0	0.6	10.7	12.8	0.8	11.0	16.5	1.0	11.3	20.3	1.2	11.6	24.0	1.4	11.9	28.3	1.7