Tactical guidance, practical support From product specifications to installation manuals, CIRCOR’s support is as extensive as the solutions we offer. Brand Allweiler (2) Circle Seal Controls (2) CIRCOR Aerospace (2) (-) Hale Hamilton (2) Houttuin (2) IMO (2) IMO AB (2) Tushaco (2) Warren (2) Zenith (9) Category Manuals (1) (-) Terms & Conditions (T&C) (2) Product category (-) Other (2) Valves (1) Stop Valve (1) Search resources Search , Download , Download