Product search Brand Hale Hamilton (2) Product Category Filters (2) Regulators (9) Pressure (4) Spring (4) (-) Skids & Packages (1) Charging (1) Valves (16) (-) Check (1) Drain (1) Relief (1) Shut-off Valve (13) Stop Valve (1) Product Markets Commercial Aerospace (3) Civil Aircraft (1) Civil Helicopters (1) Commercial Marine (1) Defense (4) Military Aircraft (1) Industrial (1) (-) Industrial Gases (2) Oil & Gas (4) Product Type Search Search Hale Hamilton NRS1 & NRS2 - High-Pressure non-return valves Hale Hamilton Series PCU