Product search Brand Hale Hamilton (1) Product Category Actuators (32) Electric (17) Pneumatic (15) Filters (2) Pumps (61) Three Screw (47) Twin Screw (14) Regulators (9) Pressure (4) Spring (4) Skids & Packages (1) Charging (1) Valves (52) (-) Check (1) Control Valve (36) 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