Product search Brand Hale Hamilton (1) 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 (5) Commercial Marine (11) Defense (10) Industrial (16) (-) Industrial Gases (1) Lubrication (14) Oil & Gas (15) Oil & Gas Transport (14) Power Generation (3) Product Type Search Search Hale Hamilton NRS1 & NRS2 - High-Pressure non-return valves