Introduction ARO 1/4″ FNPT Socket Coupler Features and Benefits: _x000D_Air flow at 100 PSI : DP 10 PSI = 25 SCFM_x000D_ Maximum Pressure : 174 PSI Temperature Range: 4 F to 158 F Ever since it was founded in 1978, Prevost has been making products for compressed air ringmains and fluid distribution systems. The company is a player in the main industrial and automobile sectors using pneumatic and hydraulic power.