0839884 (Watts) | 3/4 In Bronze Process Steam Pressure Regulatorm | Tight Seating | Reduced Pressure Range 3 To 15 psiThis 3 4 Inch Process Steam Pressure Regulator, Model 252AT 3 15, is Designed to Offer Highly Sensitive Response to Reduced Pressure Changes And Maintain Fullest Possible Volume Without Appreciable Reduced Pressure Drop. This Regulator is Ideal For Use On Applications Such as Oil Lines, Testing Fixtures, Autoclaves, Steam Tables, Steam Irons, Single Radiators, Volcanizes, Sterilizers And Process Lines. For 3 15 Psi. Watts 0839884