Product search Brand Hale Hamilton (1) Product Category Actuators (32) Electric (17) Pneumatic (15) Filters (2) Pumps (22) Hose (Peristaltic) (1) Macerator (1) Progressing Cavity (20) 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