ER5100 Series consists of the ER5000 Series controller and a 44-4000 Series pressure reducing regulator integrated together. Inlet pressures are up to 4500 psig / 310 bar with two different outlet ranges of 400 and 900 psig / 27.6 and 62.1 bar. The ER5100 Series may be ordered with a Cv = 0.7 or a Cv = 2.0. This series offers fast accurate control in applications requiring continuous flow. Also available with the 44-5200 Series regulator (ER5110). Ideal for gas assist laser cutting and OEM equipment.