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 (2) CIRCOR Aerospace (2) (-) Hale Hamilton (2) Category Manuals (1) (-) Terms & Conditions (T&C) (2) Product category Actuators (2) Control (1) (-) Other (2) Regulators (3) Valves (16) Stop Valve (1) Search resources Search , Download , Download