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Genuine Durable Car Component SRD991-BDNS6EA4NR-V01 - High Quality

The Foxboro SRD991-BDNS6EA4NR-V01 is a high-performance, microprocessor-based intelligent electro-pneumatic valve positioner designed for precise control of single-acting (spring return) pneumatic valve actuators in demanding industrial process applications

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Specifications Input Signal: 4–20 mA DC (2-wire, analog only) Supply Air Pressure: 1.4–6 bar (20–90 psig); max 7 bar (105 psig) with spool valve Air Capacity: 7.5 Nm³/h (265 scfh) @ 6 bar Air Consumption (Steady): ≤ 150 Nl/h (5.3 scfh) @ 6 bar Stroke Range: Linear: 8–260 mm (0.3–10.2 in) Rotary: 0–95° (up to 300° with option) Accuracy: ±0.1% of span Hysteresis: ≤ 0.3% of span Response Time: ≤ 1 second Action Mode: Direct/Reverse configurable Electrical Connection: 1/2" NPT cable entry Housing: Die-cast aluminum, IP65 (IP66 / NEMA 4X optional) Weight: Approx. 1.7 kg (3.7 lbs) Operating Temperature: -40°C to +80°C Storage Temperature: -50°C to +85°C 3. Safety & Certifications Explosion Protection: ATEX II 2G Ex ia IIC T4 Gb; IECEx Hazardous Area: Zone 1 (Gas), Zone 21 (Dust) EMC Compliance: IEC 61000-4-2, -3, -4, -5, -6, -8, -11 SIL Capability: Suitable for safety functions up to SIL 2 Materials: Standard aluminum alloy (copper-free optional) 4. Key Features Auto-start with self-calibration & auto-tuning Multi-lingual graphical LCD (English/German/French/Spanish) On-board self-diagnostics & valve status monitoring Local pushbutton configuration (3 keys) Mechanical position indicator Compatible with NAMUR/VDI/VDE standard mounting Low power consumption & robust design for harsh environments No digital communication (pure analog, simplified setup)