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 Certificates & Approvals (2) Manuals (1) Quality (2) (-) Terms & Conditions (T&C) (2) Product category (-) Other (2) Stop Valve (1) Search resources Search , Download , Download