74-3800 Series ultra high purity, tied diaphragm pressure reducing regulator offers high flow and internally threadless and low internal volume design with Cv = 0.5. The 74-3800 Series is available with 10 Ra surface finish. Inlet pressures are 600, 1000, or 3500 psig / 41.3, 69.0, 241 bar with outlet pressures up to 150 psig / 10.3 bar. Ideal for use in 1/2" point-of-use pressure regulator, gas cabinets, high flow purging systems and semiconductor manufacturing.