This manual introduces the structure, working principle, installation, operation, maintenance and inspection of the 2405 self-operated pressure control valve.
The document describes the installation, start‑up, adjustment, shut‑down and maintenance procedures for the Samson 2405 self‑acting pressure reducing control valve. It also includes safety warnings, technical data and service information.
Key sections cover the valve’s structure and working principle, recommended process media, detailed installation steps (including filter and pressure‑line requirements), operation instructions such as set‑point adjustment, maintenance checks, and a name‑plate data sheet with dimensions and specifications. This manual is written in Chinese.
| Operating temperature range | -20 °C to +60 °C |
|---|---|
| Flow coefficient (Kvs) range | 0.1 – 32 |
A SAMSON 2 NI type filter must be installed upstream of the self‑acting reducing valve.
Install the pressure line with about a 10 % slope so condensate can flow back to the vessel.
Turn the adjustment screw clockwise to increase set‑point pressure, counter‑clockwise to decrease it.