Steam Regulating Valves for Steam Heaters Steam Regulating Valves Item spec: Steam Regulating Valves SRV 1 for Steam Heaters HEATPAC SHS-64: Instruction Book: ARTICLE No.: 1763170-06: DN 15, L=130 mm, Flange Bolts Holes-4, Diagonal L between Holes -65mm: Actuator: Electric motor 24 V AC, 50/60 Hz, Cat name:Instruction Book for HEATPAC SHS-64. Cat no:1763170-06. Item maker: Alfa-Laval Steam Regulating Valves ALFA LAVAL.NA.1763170-06