Industrial Controller
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Infinite Innovation, the Future of Industrial Control Systems
Infinite Innovation, the Future of Industrial Control Systems
PRODUCT POSITION:HOMEPRODUCT—11A9727X022
11A9727X022
Key Specifications / Parameters Part Number: 11A9727X012 (alternate suffixes exist for higher service temperatures: 11A9727X022, 11A9727X032) Product Type: Piston ring, graphite (part of the trim internal components) Application: Used in NPS 8 × 6 valve bodies of the EWN/EW‑1 series (sliding stem with cage‑guiding), especially for steam or non‑oxidizing service up to ~600 °F (316 °C) for the “X012” suffix version. Service Temperature Limit (for X012 version): Up to ~316 °C (600 °F) in steam or non‑oxidizing service. Material: Graphite ring construction (serving as a low‑friction wear surface) Legacy / Trim Use: Found in the parts list as “piston ring, graphite” for certain cage levels of the EWN/EW‑1 valve family.
DESCRIBE
The Fisher 11A9727X012 (or 11A2542X012 as you requested) is a replacement piston‑ring assembly composed of graphite material, designed to be installed within the trim of sliding‑stem control valves (specifically in the EWN/EW‑1 series for NPS 8 × 6 valves) when the service is steam or non‑oxidizing up to about 316 °C (600 °F). It serves as a wear ring/piston ring that guides the plug and helps maintain correct packing/clearances under operating conditions.
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