This document contains installation and operating instructions for 3241-1 and 3241-7 pneumatic control valves, including structure and working principle, assembly of valve and actuator, installation, operation, maintenance and replacement of parts, material identification marks, nameplate instructions and user consultation.
This manual provides detailed instructions for assembling, installing, operating and maintaining the Samson 3241-1 and 3241-7 pneumatic control valves. It covers the valve structure, pneumatic actuator options, safety guidelines and required tools.
The document also includes material identification markings, name‑plate information, and troubleshooting advice, with references to applicable standards such as EN 13463‑1 and EN 60079‑14. This manual is written in Chinese.
| Nominal size (DN) | DN 50 to DN 150 |
|---|---|
| Effective diaphragm area | 120 cm² and 240 cm² |
| Flow coefficient (Kvs) | marked on valve seat |
A Samson type‑2 filter is recommended to be installed upstream of the valve.