Product search Brand (-) Hale Hamilton (1) Product Category Filters (2) Pumps (11) Twin Screw (11) Regulators (10) Pressure (5) Spring (4) Skids & Packages (1) Charging (1) Valves (68) (-) Check (1) Control Valve (41) Desuperheater (4) Drain (1) Pump protection (4) Pump protection descaling (1) Regulator (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