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Genuine Durable Car Component SRD991-CDN7EA4NR - High Quality

Foxboro SRD991-CDN7EA4NR is an intelligent electro-pneumatic valve positioner designed for precise control of pneumatic actuators in industrial process automation systems. It converts a 4–20 mA control signal into accurate valve position feedback and pneumatic output, ensuring stable and high-precision regulation of control valves

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Specifications Manufacturer: Foxboro Part Number: SRD991-CDN7EA4NR Product Type: Intelligent Electro-Pneumatic Valve Positioner Series: SRD991 Version: C (Double Acting actuator version) Input Signal: 4–20 mA DC control signal Communication: D (without digital communication, analog input only) Additional I/O: N (prepared for additional I/O options) Built-in Limit Switch: S (without limit switch) Cable Entry: 7 (M20 × 1.5 with cable gland) Electrical Classification: EA4 (Intrinsically safe Ex ia IIC T4, ATEX compliant) Pneumatic Connection: G 1/4 Supply Air Pressure: 1.4 to 6 bar (standard), up to 7 bar with spool valve Actuator Type: Single/Double acting compatible (this code: double acting version) Stroke Range: 8 mm to 260 mm Rotation Angle: Up to 95° Protection Class: IP65 / IP66, NEMA 4X Housing Material: Aluminum alloy, corrosion-resistant Operating Temperature: -40°C to +80°C Configuration: Local keypad + LCD display Diagnostics: Self-diagnostics, valve condition monitoring, auto-calibration Mounting Type: Linear and rotary actuators (NAMUR / VDI-VDE compliant) Application: Industrial valve control in process automation systems Country of Origin: Germany / USA (depending on assembly batch) Warranty: 12 months