Key Specifications / Parameters Parameter Value / Description Part Number 22B5998X012 Product Type Anti-extrusion (backup) ring set Intended Application Supports soft-seated or PTFE/low-chloride seats in sliding‐stem valves under elevated temperature/pressure service Material Carbon-filled PEEK (or high-performance polymer) – designed for high temperature service Valve Service Notes Extends temperature limits when used with a soft seat and anti-extrusion ring combination Typical Service Benefit Prevents extrusion of sealing material; enables use of PTFE/soft seat in more demanding conditions

Key Specifications / Parameters Parameter Description/Value Part Number 10A2643X022 Product Type Seal Ring (spring-loaded) Applicable Valve Sizes Size 8 × 6 or 12 × 6 (NPS) valves in the Fisher EWS/EWT/EWD line (spring-loaded seal ring for those sizes) Seating Type Spring‐loaded radial seal ring Material For this version, likely carbon‐filled PTFE or equivalent; for the 10A2643X022 you might see “PTFE seat with spring loading” referenced. Status Discontinued (manufacturer shows as “DISCONTINUED BY MANUFACTURER”) Weight Approximately 0.23 lbs (as listed by some surplus sellers)

Key Specifications / Parameters Parameter Value / Notes Part Number RPACKX00032 Stem Size (nominal) ¾ inch (19.1 mm) Packing Type Single PTFE / TFE V-ring packing Material PTFE (polytetrafluoroethylene) Included Components Packing set, spring, washer, packing box ring, upper wiper (and related hardware) Application Stem sealing for sliding-stem control valves Status Discontinued (no longer in current production)

Key Specifications / Parameters Parameter Value / Notes Part Number RPACKX00022 Stem Diameter ½ inch (12.7 mm) Yoke Box / Boss Diameter Approximately 2 13/16 in (71 mm) Packing Type Single PTFE (TFE) V-ring packing Assembly Type Non-live-loaded Application E-Body valve packing repair kit for ½″ stem size Material PTFE (TFE) V-Ring packing components Typical Use Valve stem sealing replacement/repair

Key Specifications / Parameters Parameter Description Product Type Packing Repair Kit Part Number RPACKX00012 Stem Size 3/8 inch (0.375 inch) Packing Type Single PTFE (TFE) V-ring packing Material Polytetrafluoroethylene (PTFE) Application Valve stem sealing for sliding-stem control valves Temperature Range Suitable for moderate-temperature and chemical service environments Chemical Resistance Excellent resistance to most process fluids Maintenance Simple replacement and installation in field conditions Kit Components PTFE V-ring packing, washers, packing box ring, follower, and wiper components

Key Specifications / Parameters Parameter Value / Note Part Number RPACKX00122 Stem Size ¾ inch (19.1 mm) Packing Type Single graphite ribbon + graphite filament Material Low-chloride graphite ribbon / filament packing Sacrificial Washer Zinc washer, thickness 0.004 inch (0.102 mm) Assembly Configuration Single ring arrangement (not double) Typical Application Sliding-stem valves in high temperature service Status Discontinued by manufacturer (as a kit)

Key Specifications / Parameters Parameter Description Product Type Packing Repair Kit Part Number RPACKX00112 Stem Size ½ inch (12.7 mm) Packing Type Single Graphite Ribbon/Filament Material Low-chloride graphite ribbon and filament Temperature Range (Non-oxidizing) –18 °C to +538 °C (0 °F to 1000 °F) Temperature Range (Oxidizing) –18 °C to +371 °C (0 °F to 700 °F) Application Sliding-stem control valves Typical Use High-temperature and steam service Kit Components Graphite filament ring, graphite ribbon ring, lantern ring, packing box ring, packing follower Service Feature Low emission, high integrity stem sealing Maintenance Designed for easy replacement and field installation

Technical Parameters Parameter Specification / Note Model DVC6200 Signal Types DVC6200: 4-20 mA with HART 5/7/ protocol DVC6200fp: Foundation Fieldbus H1 (31.25 kbit/s) Supply Air Pressure 20 to 150 psi (1.4 to 10.3 bar) Air Consumption (Quiescent) Very low; typically < 0.14 SCFM (0.23 Nm³/hr) Enclosure Rating NEMA 4X (IP66/67) Ambient Temperature Range -40° to 185°F (-40° to 85°C) Input Signal Ranges 4-20 mA, or other programmable ranges (for HART version) Travel Feedback Direct, continuous measurement of valve stem position. Mounting Directly on linear and rotary actuators. Compatible Software AMS Device Manager, Fisher FIELDVUE DVC6200 Setup Software

Typical Technical Parameters Parameter Specification Model Type CL6821 Input Signal 4-20 mA DC (Two-wire) Output Pressure 3-15 psig (0.2 - 1.0 bar) - This is the most common range for this model. Supply Air Pressure 20 psig (1.4 bar) minimum, 35 psig (2.4 bar) maximum (for 3-15 psig output) Air Consumption Very low (Quiescent: < 0.2 SCFH) Accuracy Typically ±0.5% of span Linearity & Hysteresis Typically ±0.5% of span Enclosure Rating General Purpose (Not weatherproof). For harsh environments, a separate enclosure was often used. Ambient Temperature -20° to 180°F (-29° to 82°C) Weight Approximately 1.5 lbs (0.7 kg) Mounting 2-hole bracket or directly to a NAMUR pad on an actuator.

Technical Parameters Parameter / Aspect Specification / Detail Compatible Product Line Fisher FIELDVUE DVC Series Digital Valve Controllers (e.g., DVC6000, DVC2000) Part Type Main Electronic Assembly / Main PCB / Central Module Core Functions Signal processing, control calculations, communication management, data storage, diagnostic analysis. Communication Protocol Supports HART protocol (for the complete positioner based on this board). Input Signal Compatible with 4-20 mA analog input (processed via this board). Firmware The board is typically pre-loaded or can be loaded with specific firmware versions. Replacement Impact Note: Replacing the main board typically requires reconfiguration and full calibration of the entire positioner.