Product Overview
The SAMSON 4763-01100121000000.05 is a high-precision electropneumatic positioner engineered for the reliable control of pneumatically actuated control valves in demanding process environments. Operating on a force-balance principle, this instrument converts a standardized electrical input signal (typically 4–20 mA) into a proportional pneumatic output pressure, precisely positioning the valve actuator stem to the commanded setpoint. As a core component within SAMSON’s proven 4763 series, it serves as the critical interface between electronic process control systems (DCS/PLC) and the final pneumatic control element, ensuring accurate throttling, tight shut-off, and stable regulation of flow, pressure, and temperature loops across the plant.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Electropneumatic Positioner (Process & Pneumatic Valve Accessory) |
| Model Designation | SAMSON 4763-01100121000000.05 |
| Input Signal | Standard 4–20 mA DC electrical control signal |
| Pneumatic Supply | Instrument air, oil-free and dry (typically 1.4–6 bar / 20–90 psi) |
| Operating Pressure | Standard Industrial Grade (up to rated supply pressure) |
| Actuation Principle | Force-balance electropneumatic conversion with spool valve output stage |
| Mounting & Connection | Standard ISO / SAMSON interface for linear and rotary actuators (NAMUR-compatible) |
| Characteristic Curve | Linear, equal-percentage, or user-configurable |
Engineering Features & Advantages
- Precision Performance: The force-balance measuring system delivers highly accurate stem positioning with minimal dead band, ensuring tight process control and repeatable valve response across the full travel range.
- Robust Pneumatic Output Stage: A high-capacity spool valve provides fast, stable air delivery and exhaust, minimizing positioning lag and enabling reliable actuation of large control valves.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, with a rugged enclosure designed to withstand vibration, temperature variation, and contaminated plant environments.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original SAMSON OEM standards, ensuring straightforward retrofit and minimal downtime during maintenance.
- Flexible Integration: Compatible with a wide range of pneumatic diaphragm and piston actuators, supporting both linear and rotary valve configurations.
Typical Industrial Applications
The SAMSON 4763 electropneumatic positioner is widely deployed in critical process control loops, including chemical and petrochemical processing plants, oil and gas refining facilities, power generation steam and feedwater systems, and pharmaceutical or food-grade process lines. It is equally suited to water treatment, pulp and paper mills, and metallurgical process control
PRODUCT IMAGES

SAMSON 4763-01100121000000.05 Electropneumatic Positioner
âš¡ Emergency Plant Maintenance & Ready-to-Ship Notice:
- Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
- Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
- Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
- Peace of Mind: Covered by our 12-Month Replacement Warranty.
Shop the genuine SAMSON 4763-01100121000000.05 Solenoid Valve. This Germany-made 24V DC hydraulic component features a 3/2-way poppet design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.