Product search Brand Hale Hamilton (1) Product Category Accessories (31) Assembly (1) Hose (30) Actuators (1) Filters (2) Motors (5) Brush DC Motor (1) Brushless DC Motor (2) DC Brakemotor (1) Fractional DC Gear Motor (1) Pumps (1) Three Screw (1) Regulators (19) Pressure (14) Spring (4) Sensors (2) Transducer (1) Skids & Packages (1) Charging (1) Switches (5) Acceleration (1) Impact (4) Valves (17) (-) Check (1) Drain (1) Relief (1) Shut-off Valve (13) Stop Valve (1) Product Markets Defense (1) Industrial (1) (-) Industrial Gases (1) Oil & Gas (1) Product Type Search Search Hale Hamilton NRS1 & NRS2 - High-Pressure non-return valves