3760 type pneumatic valve positioner, electric valve positioner installation and operating instructions
This manual describes the design and working principle of the Samson 3760 pneumatic valve positioner and gives detailed instructions for assembling it to pneumatic actuators. It covers safety guidance, installation steps, electrical and pneumatic connections, and adjustment procedures.
Key sections include the device’s specifications, protection rating, input signal requirements, and conversion between pneumatic and electrical operation modes. The document also provides dimension data, test certificates, and contact information for service centers. This manual is written in Chinese.
| Input control signal | 0.2–1 bar / 3–15 psi, 4–20 mA |
|---|---|
| Protection level | IP65 |
| Operating temperature range | -20 °C to +70 °C |
| Weight | ≈0.6 kg |
| Housing material | Polyamide shell, stainless‑steel external parts |
The device accepts a pressure signal of 0.2–1 bar (3–15 psi) or a current signal of 4–20 mA.
It is rated IP65 for protection against dust and water.
The positioner can operate from –20 °C up to +70 °C.
The positioner is fixed to the actuator bracket with two mounting screws, sealed with a rubber gasket, and connected using the appropriate pneumatic and electrical fittings.