This manual provides detailed information on the ACTIVALTM flange-connected electric two-way valve (GB PN16-HT200) spring-return type actuator VY51X8M, VY51X8N.
This manual describes the VY51X8M and VY51X8N flange‑connected electric two‑way valve actuators. The valve and actuator are integrated in a compact design, suitable for DN15‑DN80 connections and rated to PN16 pressure.
Key topics include safety precautions, proper installation and piping, wiring diagrams, control signal options, technical specifications, and routine maintenance procedures. The document also lists optional accessories and provides troubleshooting guidance. This manual is written in Chinese.
| Connection size | DN15 (1/2") ~ DN80 (3") |
|---|---|
| Pressure rating | PN16 (max 1.6 MPa) |
| Actuator power supply | 24 VAC, 50/60 Hz |
| IP rating | IEC IP54 (dust/ splash proof) |
| Maximum fluid temperature | 175 °C |
The actuator operates from a 24 VAC supply at 50 Hz or 60 Hz.
The valve is rated to PN16, which corresponds to a maximum pressure of 1.6 MPa.
Models weighing more than 18 kg should be moved with sufficient personnel or a vehicle to avoid damage.