Valve Positioners Stainless Steel Housing for RCV Positioners SRD991-SRI990 DESCRIPTION This product is a rugged stainless steel housing and an extensive choice of electronic boards from SRI990 or SRD991. APPLICATIONS Special design for offshore applications and for food and beverage industries. FEATURES Electronic board from the SRD991 digital valve positioner: • Easy to operate, menu-driven with graphical LCD Multilingual full text display, backlighted for easy reading All parameters can be configured locally by push buttons Status and diagnostic messages displayed in LCD HART Protocol with only 420 Ohms load PROFIBUS-PA acc. to IEC 1158-2 based on FISCO FOUNDATION Fieldbus H1 acc. to IEC 1158-2 based on FISCO with PID, AO, 2xDI, DO function blocks and LAS functionality Electronic board from the SRI990 analog valve positioner: • Analog valve control with fast control behavior Electrical adaption of zero and span by potentiometers The modular concept of the positioners SRI990 – SRD991: • Allows easy mounting to all linear and rotary actuators Options include: • Position transmitter Gauge manifolds Diagnosis Report Pressure sensors for outputs (SRD991) Product Data Sheet

DIMENSIONAL DRAWING SPECIFICATIONS Stainless Steel Housing Material Protection Class Impact Resistance Seals Weight (Complete Positioner) Pneumatic Connection Electrical Connection With SRD991 Electronic Stainless steel 1.4404 / 316, 1.25 mm IP 66 acc. to EN 60529 7 Joule acc. to EN 50014 VMQ (silicone) 3.5 kg 1/4-18 NPT on manifold, prepared for gauges (option) M20 x 1.5 or 1/2-14 NPT (others with adapter AD) Autostart with self calibration Self-diagnostics Advanced diagnostics for valve predictive maintenance Multilingual graphical LCD with full text display Configuration of characteristic...