Product search Brand DeltaValve (3) (-) Hale Hamilton (2) Product Category Filters (1) Regulators (8) Pressure (4) Spring (4) Valves (10) (-) Check (1) Drain (1) (-) Relief (1) Shut-off Valve (6) Stop Valve (1) Product Markets Commercial Aerospace (1) Civil Aircraft (1) Civil Helicopters (1) Commercial Marine (1) Defense (3) Military Aircraft (1) Industrial (2) Industrial Gases (3) (-) Oil & Gas (2) Product Type Search Search Hale Hamilton NRS1 & NRS2 - High-Pressure non-return valves Hale Hamilton RS Series