Foxboro Eckardt SRP981 Positioner
The Foxboro Eckardt SRP981 Pneumatic Positioner (Part Number: SRP981-BIDLS1NA) is a single-acting pneumatic valve positioner manufactured in France. Operating on a clean instrument air supply up to 6 bar (90 psig), this precision instrument accepts a standard 0.2 to 1 bar (3 to 15 psi) analog control input. It dynamically adjusts air delivery to eliminate actuator gland friction, ensuring highly accurate stroke positioning and rapid response times for linear or rotary control valves.
BRAND
Foxboro Eckardt
TYPE
Pneumatic Positioner
PART NO.
SRP981-BIDLS1NA
MODEL
SRP981 Series
Full Technical Specifications ▶
| Parameter | Value / Description |
|---|---|
| BRAND | Foxboro Eckardt |
| TYPE | Pneumatic Positioner |
| PART NO. | SRP981-BIDLS1NA |
| MODEL | SRP981 Series |
| Application | Accurate physical stroke positioning and control of single-acting pneumatic linear or rotary valve actuators |
| IEC | Built to NAMUR standard IEC 534 part 6 mounting configurations |
| Input Control Signal | 0.2 to 1 bar (3 to 15 psi) standard analog control input |
| Maximum Supply Air Pressure | Up to 6 bar (90 psig) clean instrument air feed |
| Output Pressure Spectrum | Continuously variable up to 100% of maximum supply pressure |
| Split-Range Operation | Supports up to 4-fold split-range control loops |
| Adjustability | Independent adjustments for zero baseline, stroke span, output amplification, and pneumatic damping |
| Enclosure Protection Class | IP54 standard environmental sealing resistance |
| Primary Function | Directs air supply dynamically to a valve actuator to eliminate the adverse effects of gland friction, ensuring shorter positioning times |
| Made In | France |
| REF NO | 136 |
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