Standard Valves General Information Download information on: Industrial valves start-up and maintenance RA 07 300 (PDF) Servo valves start-up and maintenance RA 07 700 (PDF) Electronic proportional valves start-up and maintenance RA 07 800 (PDF) Hydraulic system start-up and maintenance RA 07 900 (PDF) Connectors for electrically actuated valves and sensors RA 08 006 (PDF) Mating connectors for controlling electrically operated valves and sensors RA 08 008 (PDF) For more information or to order brochures and catalogs, contact your nearest distributor.