AU/AWC - GlobalSecurity.org
Nozzles used were 57° spray angle at 20 psi (Spraying Systems, Inc., Model Vee Jet, Type U - No. 1/8 U 6510) which deliver 0.5 GPM (10 psi) and 0.61 GPM (15 psi) with an equivilent orifice diameter of 5/64'. Pressures were regulated to 10-12 psi for operation with a valve - pressure gauge assembly.
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