pressure washer nozzle sizing

nozzles
pressure washer nozzle sizing

Learning to read a pressure washer nozzle chart will allow you to properly match the orifice size of the nozzle to the rated PSI and gallon per minute flow of your system.

When reading a pressure washer nozzle chart the orifice size is listed vertically on the far left. The PSI rating is listed on top horizontally left to right. Under each PSI rating the gallons per minute flow allowed by the orifice will be listed vertically. To match the nozzle orifice to your systems requirements begin by finding the PSI rating of your pump on top. Follow this column down until you find the gallons per minute rating of your pump. Now look all the way to the left and find the orifice size required by your system. This is all it takes to accurately read a pressure washer nozzle sizing chart. We have included one for your reference.

Nozzle size
Orifice Diameter
40 PSI
100 PSI
250 PSI
500 PSI
600 PSI
700 PSI
800 PSI
1000 PSI
1200 PSI
1500 PSI
2000 PSI
2500 PSI
3000 PSI
3500 PSI
4000 PSI
5000 PSI
2.0
0.034
0.20
0.32
0.50
0.71
0.77
0.84
0.89
1.00
1.10
1.22
1.41
1.58
1.73
1.87
2.00
2.40
2.25
?
0.23
0.36
0.56
0.80
0.87
0.94
1.01
1.13
1.23
1.38
1.59
1.78
1.95
2.10
2.25
2.52
2.5
0.039
0.25
0.40
0.63
0.88
0.97
1.05
1.12
1.25
1.37
1.53
1.77
1.98
2.17
2.34
2.50
2.80
2.75
?
0.28
0.44
0.69
0.97
1.07
1.15
1.23
1.38
1.51
1.68
1.94
2.17
2.38
2.57
2.75
3.07
3.0
0.043
0.30
0.47
0.75
1.06
1.16
1.25
1.34
1.50
1.64
1.84
2.12
2.37
2.60
2.81
3.00
3.35
3.25
?
0.33
0.51
0.81
1.15
1.26
1.36
1.45
1.63
1.78
1.99
2.30
2.57
2.81
3.04
3.25
3.63
3.5
0.048
0.35
0.55
0.88
1.24
1.36
1.46
1.57
1.75
1.92
2.14
2.47
2.77
3.03
3.27
3.50
3.91
4.0
0.052
0.40
0.63
1.00
1.41
1.55
1.67
1.79
2.00
2.19
2.45
2.83
3.16
3.46
3.74
4.00
4.47
4.5
0.055
0.45
0.71
1.13
1.59
1.74
1.88
2.01
2.25
2.46
2.76
3.18
3.56
3.90
4.21
4.50
5.03
5.0
0.057
0.50
0.79
1.25
1.77
1.94
2.09
2.24
2.50
2.74
3.06
3.54
3.95
4.33
4.68
5.00
5.59
5.5
0.060
0.55
0.87
1.38
1.94
2.13
2.30
2.46
2.75
3.01
3.37
3.89
4.35
4.76
5.14
5.50
6.15
6.0
0.062
0.60
0.95
1.50
2.12
2.32
2.51
2.68
3.00
3.29
3.67
4.24
4.74
5.20
5.61
6.00
6.71
6.5
0.064
0.65
1.03
1.63
2.30
2.52
2.72
2.91
3.25
3.56
3.98
4.60
5.14
5.63
6.08
6.50
7.27
7.0
0.067
0.70
1.11
1.75
2.47
2.71
2.93
3.13
3.50
3.83
4.29
4.95
5.53
6.06
6.55
7.00
7.83
7.5
0.070
0.75
1.19
1.88
2.65
2.90
3.14
3.35
3.75
4.11
4.59
5.30
5.93
6.50
7.02
7.50
8.39
8.0
0.072
0.80
1.26
2.00
2.83
3.10
3.35
3.58
4.00
4.38
4.90
5.66
6.32
6.93
7.48
8.00
8.94
8.5
0.074
0.85
1.34
2.13
3.01
3.29
3.56
3.80
4.25
4.66
5.21
6.01
6.72
7.36
7.95
8.50
9.50
9.0
0.076
0.90
1.42
2.25
3.18
3.49
3.76
4.02
4.50
4.93
5.51
6.36
7.12
7.79
8.42
9.00
10.06
9.5
0.078
0.95
1.50
2.38
3.36
3.68
3.97
4.25
4.75
5.20
5.82
6.72
7.51
8.23
8.89
9.50
10.62
10.0
0.080
1.00
1.58
2.50
3.54
3.87
4.18
4.47
5.00
5.48
6.12
7.07
7.91
8.66
9.35
10.00
11.18
11.0
0.083
1.10
1.74
2.75
3.89
4.26
4.60
4.92
5.50
6.02
6.74
7.78
8.70
9.53
10.29
11.00
12.30
12.0
0.087
1.20
1.90
3.00
4.24
4.65
5.02
5.37
6.00
6.57
7.35
8.49
9.49
10.39
11.22
12.00
13.42
12.5
0.089
1.25
1.98
3.13
4.42
4.84
5.23
5.59
6.25
6.85
7.65
8.84
9.88
10.83
11.69
12.50
13.98
13.0
0.091
1.30
2.06
3.25
4.60
5.03
5.44
5.81
6.50
7.12
7.96
9.19
10.28
11.26
12.16
13.00
14.53
14.0
0.093
1.40
2.21
3.50
4.95
5.42
5.86
6.26
7.00
7.67
8.57
9.90
11.07
12.12
13.10
14.00
15.65
15.0
0.096
1.50
2.37
3.75
5.30
5.81
6.27
6.71
7.50
8.22
9.19
10.61
11.86
12.99
14.03
15.00
16.77
20.0
0.109
2.00
3.16
5.00
7.07
7.75
8.37
8.94
10.00
10.95
12.25
14.14
15.81
17.32
18.71
20.00
22.36
25.0
0.125
2.50
3.95
6.25
8.84
9.68
10.46
11.18
12.50
13.69
15.31
17.68
19.76
21.65
23.39
25.00
27.95
30.0
0.141
3.00
4.74
7.50
10.61
11.62
12.55
13.42
15.00
16.43
18.37
21.21
23.72
25.98
28.06
30.00
33.54
40.0
0.156
4.00
6.32
10.00
14.14
15.49
16.73
17.89
20.00
21.91
24.49
28.28
31.62
34.64
37.42
40.00
44.72
50.0
0.172
5.00
7.91
12.50
17.68
19.36
20.92
22.36
25.00
27.39
30.62
35.36
39.53
43.30
46.77
50.00
55.90
60.0
0.188
6.00
9.49
15.00
21.21
23.24
25.10
26.83
30.00
32.86
36.74
42.43
47.43
51.96
56.12
60.00
67.08


Why use a pressure washer nozzle sizing chart-Learn about pressure washer nozzles

 

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