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Genuine Durable Car Component SRD991-BHNS6EA4NR-V01 - High Quality

Foxboro SRD991-BHNS6EA4NR-V01 is an intelligent electro-pneumatic valve positioner designed for precise control of pneumatic control valves in industrial automation systems. It converts a 4–20 mA HART control signal into accurate valve stem positioning, ensuring stable regulation of flow, pressure, and process variables.

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Specifications Manufacturer: Foxboro Part Number: SRD991-BHNS6EA4NR-V01 Product Type: Intelligent Electro-Pneumatic Valve Positioner Series: SRD991 Actuator Type: Single Acting (B version) Input Signal / Communication: 4–20 mA with HART protocol Additional Inputs/Outputs: N (prepared for additional I/O expansion) Built-in Limit Switch: S (without built-in limit switch) Cable Entry: 6 (M20 × 1.5 with adapter to 1/2”-14 NPT) Pneumatic Connection: 1/4" NPT via manifold Electrical Classification: ATEX Ex ia IIC T4 (intrinsically safe) Supply Air Pressure: 1.4 to 6 bar (up to 7 bar with spool valve) Stroke Range: 8 mm to 260 mm (standard lever) Rotation Angle: Up to 95° Protection Class: IP66 / NEMA 4X Housing Material: Aluminum alloy Display: Multi-language graphical LCD Configuration: Local keypad + HART handheld or system configuration Diagnostics: Self-calibration, valve signature analysis, predictive maintenance Mounting: Linear and rotary actuators (NAMUR / VDI-VDE compliant) Operating Temperature: -40°C to +80°C