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Now In: Nozzle Selection Chart

Nozzle Selection Chart

This chart helps you select the correctly sized nozzle and orifice diameter for various pressures.

Most low pressure nozzles used in the Car Wash industry are based on 40PSI (average city water pressure) or 1000PSI, commonly used for high-pressure applications . The GPM output will be determined by the nozzle size at your specific PSI. (i.e. a No. 4 Nozzle at 1000PSI, will give you an output of 2.00 GPM)

Nozzle Chart (40 - 800 PSI) Click here for (1000 - 5000 PSI)
Nozzle
Size
Orifice
Diameter
40
PSI
100
PSI
250
PSI
500
PSI
600
PSI
700
PSI
800
PSI
2
.034
0.20
0.32
0.50
0.71
0.77
0.84
0.89
2.5
.039
0.25
0.40
0.63
0.88
0.97
1.05
1.12
3
.043
0.30
0.47
0.75
1.06
1.16
1.25
1.34
3.5
.048
0.35
0.55
0.88
1.24
1.36
1.46
1.57
4
.052
0.40
0.63
1.00
1.41
1.55
1.67
1.79
4.5
.055
0.45
0.71
1.13
1.59
1.74
1.88
2.01
5
.057
0.50
0.79
1.25
1.77
1.94
2.09
2.24
5.5
.060
0.55
0.87
1.38
1.94
2.13
2.30
2.46
6
.062
0.60
0.95
1.50
2.12
2.32
2.51
2.68
6.5
.064
0.65
1.03
1.63
2.30
2.52
2.72
2.91
7
.067
0.70
1.11
1.75
2.47
2.71
2.93
3.13
7.5
.070
0.75
1.19
1.88
2.65
2.90
3.14
3.35
8
.072
0.80
1.26
2.00
2.83
3.10
3.35
3.58
8.5
.074
0.85
1.34
2.13
3.01
3.29
3.56
3.80
9
.076
0.90
1.42
2.25
3.18
3.49
3.76
4.02
9.5
.078
0.95
1.50
2.38
3.36
3.68
3.97
4.25
10
.080
1.00
1.58
2.50
3.54
3.87
4.18
4.47
11
.083
1.10
1.74
2.75
3.89
4.26
4.60
4.92
12
.087
1.20
1.90
3.00
4.24
4.65
5.02
5.37
12.5
.089
1.25
1.98
3.13
4.42
4.84
5.23
5.59
13
.091
1.30
2.06
3.25
4.60
5.03
5.44
5.81
14
.093
1.40
2.21
3.50
4.95
5.42
5.86
6.26
15
.096
1.50
2.37
3.75
5.30
5.81
6.27
6.71
20
.109
2.00
3.16
5.00
7.07
7.75
8.37
8.94
25
.125
2.50
3.95
6.25
8.84
9.68
10.46
11.18
30
.141
3.00
4.74
7.50
10.61
11.62
12.55
13.42
40
.156
4.00
6.32
10.00
14.14
15.49
16.73
17.89
50
.172
5.00
7.91
12.50
17.68
19.36
20.92
22.36
60
.188
6.00
9.49
15.00
21.21
23.24
25.10
26.83

Nozzle Chart (1000 - 5000 PSI) Click here for (40 - 800 PSI)
Most low pressure nozzles used in the Car Wash industry are based on 40PSI (average city water pressure) or 1000PSI, commonly used for high-pressure applications . The GPM output will be determined by the nozzle size at your specific PSI. (i.e. a No. 4 Nozzle at 1000PSI, will give you an output of 2.00 GPM)
Nozzle
Size
1000
PSI
1200
PSI
1500
PSI
2000
PSI
2500
PSI
3000
PSI
3500
PSI
4000
PSI
5000
PSI
2
1.00
1.10
1.22
1.41
1.58
1.73
1.87
2.00
2.24
2.5
1.25
1.37
1.53
1.77
1.98
2.17
2.34
2.50
2.80
3
1.50
1.64
1.84
2.12
2.37
2.60
2.81
3.00
3.35
3.5
1.75
1.92
2.14
2.47
2.77
3.03
3.27
3.50
3.91
4
2.00
2.19
2.45
2.83
3.16
3.46
3.74
4.00
4.47
4.5
2.25
2.46
2.76
3.18
3.56
3.90
4.21
4.50
5.03
5
2.50
2.74
3.06
3.54
3.95
4.33
4.68
5.00
5.59
5.5
2.75
3.01
3.37
3.89
4.35
4.76
5.14
5.50
6.15
6
3.00
3.29
3.67
4.24
4.74
5.20
5.61
6.00
6.71
6.5
3.25
3.56
3.98
4.60
5.14
5.63
6.08
6.50
7.27
7
3.50
3.83
4.29
4.95
5.53
6.06
6.55
7.00
7.83
7.5
3.75
4.11
4.59
5.30
5.93
6.50
7.02
7.50
8.39
8
4.00
4.38
4.90
5.66
6.32
6.93
7.48
8.00
8.94
8.5
4.25
4.66
5.21
6.01
6.72
7.36
7.95
8.50
9.50
9
4.50
4.93
5.51
6.36
7.12
7.79
8.42
9.00
10.06
9.5
4.75
5.20
5.82
6.72
7.51
8.23
8.89
9.50
10.62
10
5.00
5.48
6.12
7.07
7.91
8.66
9.35
10.00
11.18
11
5.50
6.02
6.74
7.78
8.70
9.53
10.29
11.00
12.30
12
6.00
6.57
7.35
8.49
9.49
10.39
11.22
12.00
13.42
12.5
6.25
6.85
7.65
8.84
9.88
10.83
11.69
12.50
13.98
13
6.50
7.12
7.96
9.19
10.28
11.26
12.16
13.00
14.53
14
7.00
7.67
8.57
9.90
11.07
12.12
13.10
14.00
15.65
15
7.50
8.22
9.19
10.61
11.86
12.99
14.03
15.00
16.77
20
10.00
10.95
12.25
14.14
15.81
17.32
18.71
20.00
22.36
25
12.50
13.69
15.31
17.68
19.76
21.65
23.29
25.00
27.95
30
15.00
16.43
18.37
21.12
23.72
25.98
28.06
30.00
33.54
40
20.00
21.91
24.49
28.28
31.62
34.64
37.42
40.00
44.72
50
25.00
27.39
30.62
35.36
39.53
43.30
46.77
50.00
55.90
60
30.00
32.86
36.74
42.43
47.53
51.96
56.12
60.00
67.08

 

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