Pressure regulators SMC regulator DataSheet DescriptionRegulator with gauge SMC. Tighten the adjustment knob straight out, turn to the desired pressure. Lock the set value by pressing the dial. For unimpeded pressure adjustment needed 60 mm space at the adjustment knob. CodeInterfacePressure range (bar)SMC-AR40-F04EG½ “female thread0.5 to 8.5 SMC-AR40-1-FO4EG½ “female thread 0.2-2