API 600 Electric PSB Gate Valve Fabricator: Specializing in API 600 electric-operated gate valves with a pressure seal bonnet (PSB) design. Available in sizes ranging from 2 to 24 inches and pressure classes from 150 to 2500 LB. Constructed from high-quality materials, including carbon steel, stainless steel, and alloy steel, these valves are engineered for superior performance and durability in demanding industrial applications.