This file is the installation and operation manual of the electric valve positioner 4763, including safety instructions, selection, technical data, installation, connection, operation, maintenance and other contents.
The Samson 4763 electrical valve positioner provides precise control of valve travel by converting a 4‑20 mA input signal into a pneumatic output pressure. The manual covers structure, working principle, assembly to various control valves, electrical and pneumatic connections, operation, calibration, and explosion‑proof maintenance.
Safety guidelines, installation parts, technical specifications, and certification information are included, along with detailed diagrams and part numbers for proper setup and service. This manual is written in Chinese.
| Travel range | 7.5 to 60 mm (extended feedback rod 90 mm) |
|---|---|
| Input control signal | 4 – 20 mA |
| Output pressure (Pst) | 0 – 6 bar (0 – 90 psi) |
| IP protection rating | IP54 (special type IP65) |
The device accepts a 4 to 20 mA input control signal.
An air source pressure of 1.4 to 6 bar (20 to 90 psi) is required.
The standard model has an IP54 rating; a special version is rated IP65.