Genuine
POSITIONER
Electro-pneumatic valve positioner for precise control of control valves in marine engine room, cargo, ballast & fuel systems
ManufacturerSiemens / Fisher / Yokogawa / SAMSON
Input Signal4–20 mA / HART / Profibus
Stroke10–300 mm / 90° rotation
ApprovalMarine / DNV / ABS / ATEX
Full Technical Specifications ▶
| Parameter | Value / Description |
|---|---|
| Input Signal | 4–20 mA, HART 7, FOUNDATION Fieldbus, Profibus PA |
| Output | Single / Double acting, 0.2–1.0 bar / 3–15 psi |
| Accuracy / Linearity | ±0.5% – ±1% of span |
| Hysteresis | < 0.5% |
| Stroke / Rotation | Linear: 10–300 mm / Rotary: 55°–100° |
| Air Supply | 1.4–6 bar (clean, dry instrument air) |
| Protection Class | IP66 / IP67 / Ex d / Ex ia (hazardous area) |
| Operating Temperature | -40°C to +85°C (extended range available) |
| Approvals | DNV, ABS, Lloyd’s Register, BV, ATEX / IECEx, MED |
| Communication | HART, Profibus, FOUNDATION Fieldbus |
| Applications | Control valves for fuel oil, lube oil, cooling water, steam, cargo, ballast systems |
Smart electro-pneumatic positioners ensure accurate valve positioning, fast response, diagnostics, and fail-safe operation — widely used in marine control valve applications for reliable process control.
