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) DeltaValve (1) Category Brochures (2) (-) Catalog (1) (-) Certificates & Approvals (1) Product category Actuators (2) (-) Back (1) (-) Delayed Coking (1) Pressure (1) Pumps (3) Gear (1) Valves (4) Search resources Search , Download , Download