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)
