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Genuine Durable Car Component SRD998-HBD0-1SA18-A1 - High Quality

Foxboro SRD998-HBD0-1SA18-A1 is an intelligent electro-pneumatic valve positioner designed for precise control of pneumatic control valves in industrial process automation systems. It converts a 4–20 mA HART control signal into accurate valve stem positioning, ensuring stable regulation of flow, pressure, and other process variables.

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Specifications Manufacturer: Foxboro Part Number: SRD998-HBD0-1SA18-A1 Product Type: Intelligent Electro-Pneumatic Valve Positioner Series: SRD998 Input Signal / Communication: 4–20 mA with HART 7 protocol Actuator Type: Single-acting pneumatic actuator Pneumatic Supply Pressure: 1.4 to 10 bar (20 to 145 psi) Stroke Range: 8 to 260 mm (standard lever) Operating Angle: 0° to 95° (up to 120° optional) Linearity: < 0.6% of full span Hysteresis: < 0.3% Protection Class: IP66 / NEMA 4X Housing Material: Powder-coated aluminum alloy Mounting Type: NAMUR / IEC 534 compliant (linear & rotary actuators) Communication: HART 7 + optional FDT/DTM integration Diagnostics: Auto-calibration, valve signature, step response analysis, predictive maintenance Display: Full-text graphical LCD with rotary selector Operating Temperature: -40°C to +80°C Explosion Protection: ATEX / IECEx intrinsically safe (optional depending on variant) Application: Industrial valve control in DCS systems