Product search Brand Hale Hamilton (1) Product Category Actuators (32) Electric (17) Pneumatic (15) Pumps (79) Centrifugal (20) Gear (5) Progressing Cavity (17) Three Screw (34) Twin Screw (3) Regulators (6) Pressure (4) Spring (2) Valves (133) Control Valve (103) Desuperheater (16) (-) Drain (1) Pump protection (4) Pump protection descaling (1) Regulator (1) Shut-off Valve (7) Product Markets Industrial Gases (1) Oil & Gas (1) (-) Power Generation (1) Product Type Search Search Hale Hamilton Series DV4 (Internal Switch)