Chesterton’s 5800 Wedge Packing is a patented, high technology solution for modulated, actuated valves.
5800 Wedge Packing Sets are manufactured from high purity graphite. The die-formed rings are non-absorbent and non-wicking. A corrosion inhibitor is incorporated into the rings to help prevent electrolytic pitting. Certification of compliance for nuclear service is available from Chesterton.
The recommended product for nuclear and procews industry services to seal MOVs, AOVs and steam services.
Reduced stem friction, lower actuation force needed
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Pressure: For steam services between 3000 psi (210 bar) and 4500 psi (310 bar), use 477-1 or 1600 end rings Temperature: -400°F (-240°C) up to 5000°F (2760°C) non-oxidizing, 800°F (430°C) oxidizing. Chemical Resistance: pH 0-14
