Tactical guidance, practical support From product specifications to installation manuals, CIRCOR’s support is as extensive as the solutions we offer. Brand Allweiler (80) Circle Seal Controls (65) (-) CIRCOR Motors (3) Leslie Controls (1) RTK (4) Category Brochures (11) (-) Catalog (3) Certificates & Approvals (1) Forms (3) Sales (1) Terms & Conditions (T&C) (2) Product category Search resources Search , Download , Download , Download