For more information about compressed air and blasting, please review our compressed air basics.

SIPHON BLAST CFM CONSUMPTION
Nozzle
Size
Air Jet
Orifice
CFM CONSUMPTION AT SPECIFIC PRESSURES
30 PSI 40 PSI 50 PSI 60 PSI 70 PSI 80 PSI 90 PSI 100 PSI 120 PSI
1/8” (#2) 1/16” 2.45 3.00 3.55 4.10 4.65 5.20 5.74 6.70 7.60
3/16” (#3) 3/32” 5.52 6.79 8.00 9.22 10.48 11.68 12.90 14.4 17.10
1/4″ (#4) 7/64” 7.66 9.41 11.13 12.80 14.55 16.20 17.94 19.65 25.00
1/4″ (#4) 1/8” 9.80 12.03 14.26 16.39 18.62 20.76 22.99 25.00 30.00
5/16” (#5) 5/32” 15.31 18.80 22.28 25.61 29.09 32.43 35.92 40.00 49.00
3/8” (#6) 3/16” 22.11 27.16 32.01 36.86 41.90 46.85 51.60 56.00 66.00
1/2″ (#8) 1/4″ 39.28 48.11 56.84 65.57 74.40 83.13 91.95 102.00 120.00
Custom size siphon air jets available for special air flow requirements

 

PRESSURE BLAST CFM CONSUMPTION
Nozzle
Size
CFM CONSUMPTION AT SPECIFIC PRESSURES
20 PSI 30 PSI 40 PSI 50 PSI 60 PSI 70 PSI 80 PSI 90 PSI 100 PSI
1/16” 0.062 2.00 2.50 3.10 3.70 4.20 4.80 5.40 5.90 6.50
3/32” 0.094 4.40 5.70 7.00 8.20 9.50 10.80 12.10 13.30 14.60
1/8” (#2) 0.125 7.90 8.38 10.29 12.20 14.02 15.93 17.76 19.67 21.80
3/16” (#3) 0.187 15.00 18.92 23.24 27.39 31.54 35.85 40.08 44.15 49.00
1/4″ (#4) 0.250 26.00 33.62 41.17 48.64 56.11 63.66 71.13 78.68 85.00
5/16” (#5) 0.312 42.00 54.61 67.06 79.10 91.13 103.63 115.66 127.74 140.00
3/8” (#6) 0.375 58.00 75.61 92.96 109.56 126.16 143.59 160.19 176.79 194.00
7/16” (#7) 0.437 83.00 105.03 128.65 152.31 175.55 199.20 222.44 245.68 268.00
1/2″ (#8) 0.500 105.00 143.46 164.34 195.05 224.93 254.81 284.69 314.57 346.00