| Temperature of Media | Normal Temperature, Medium Temperature, Low Temperature, High Temperature, Other |
| Operational Pressure Range | Customized |
| Nominal Diameter | DN250 to DN450 |
The Samson 3730-3 Electropneumatic Valve Positioner is a high-precision instrument designed for pneumatic control valves, offering precise positioning and automation in industrial processes. Combined with China's large-diameter three-way valves, this system provides customized solutions for complex flow control, particularly in heat exchangers and multi-path fluid management. The integration ensures reliable performance in demanding environments.
| Input Signal | 4-20 mA (HART compatible) |
| Valve Travel Range | 3.6-200 mm (linear) / 24-100° (rotary) |
| Output Pressure | 0.2-1.0 bar (adjustable) |
| Supply Voltage | Two-wire system (300-410 Ω load) |
| Communication | HART protocol |
| Protection Class | IP66 / Ex d (flameproof) |
| Mounting Standards | IEC 60534-6, VDI/VDE 3845, NAMUR |