Orifice size, in.
Leak rate scfm @ 100 psig
Annual cost
0.062
5.02
$633
0.125
20.1
$2,533
0.25
80.4
$10,130
0.375
180.8
$22,781
0.50
321.4
$40,496
Values are based on leakage 24 hr/day, 7 days/week, over 50 weeks. Costs are based on compressed air at $0.25/1,000 scf.