Use To increase regulated pressure, pull adjusting knob up and turn clockwise. To reduce pressure, turn knob counter clockwise. Features 0-125 PSI adjusting range Self-relieving standard Two 1/4" NPT gauge ports located on the front and rear faces of the body. These ports may be used as additional regulated ports or for pressure gauges. Installation Can be installed with the adjusting knob in any position Note Use a GC230 gauge (not supplied) Safety notes FRL's are designed for air service only, unless otherwise indicated. SCFM ratings at 100 PSIG inlet pressure