74-3000 Series ultra high purity pressure reducing regulator offers 5 Ra or 10 Ra surface finishes, high flow Cv = 0.5 and an internally threadless and low internal volume design. Inlet pressures are 600, 1000, or 3500 psig / 41.3, 69, or 241 bar with outlet pressures up to 150 psig / 10.3 bar. Ideal for use in high flow purging systems, 1/2" point-of-use, regulation of specialty gases and semiconductor manufacturing.