Tactical guidance, practical support From product specifications to installation manuals, CIRCOR’s support is as extensive as the solutions we offer. Brand Circle Seal Controls (1) CIRCOR Aerospace (1) (-) Leslie Controls (3) Category Brochures (2) Product category Actuators (3) Control (1) (-) Instrumentation (1) Regulators (2) Valves (19) (-) Water Heater (2) Search resources Search , Download , Download , Download