Chesterton Valve Sealing System

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Chesterton Valve Sealing System
System Solution for Leakage Problems Associated with Conventionally Packed Valves


​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​This Chesterton system delivers a complete approach to valve sealing especially suited for nuclear and fossil power plants, refineries, and chemical plants.

A Chesterton technical service specialist will survey applicable valves and recommend comprehensive product solutions tailored for your specific application conditions. This program addresses valve leakage and emissions based on valve type and common sealing concerns. Solutions may involve a combination of the following products:​​

  • 5150 Live Loading Assembly
  • 5150 Cartridge Valve Live Loading
  • One-CI Braided Graphite Rings
  • 5300 (GTPI) Die-Formed Inhibited Graphite Rings
  • 5100 Split Carbon Sleeves
  • 1600 Reinforced Graphite Tape
  • 1601 Reinforced Graphite Tape
  • 5800 WedgeSeal

Chesterton's Valve Sealing Solutions are wa​rrantied for 3 or 5 years, depending upon service (type of valve, service conditions, etc.). Please contact your Chesterton representative for details.​

Extend service life performance: Engineered sets ensure valve performance and repeatability
Reduce maintenance costs: Fewer adjustments and valve repairs
Low-friction design minimize valve hunting, which improves process quality and production yields
Refinery slide valves
Reformer valves
Severe service
Control valves
Steam valves
Temperature LimitFrom –40°C (–40°F) up to 2760°C (5000°F) in non-oxidizing atmosphere
Maximum Pressure Limit210 bar g (3000 psig)
Chemical ResistancepH 0 to 13
ApplicationsLight and heavy hydrocarbon services, steam services, chronic leakers—block or control valve. Live loading is recommended for most applications.





Case Study 002 Stationary Equipment - Power - Steam Isolation Valve Start - Up & Non - Return Valves (English) Study 002 Stationary Equipment - Power - Steam Isolation Valve Start - Up & Non - Return Valves (English)pdf
Catalog: Chesterton Packing and Gasket Product Catalog (English) Chesterton Packing and Gasket Product Catalog (English)pdf
Catalog: Mechanical Packing and Gaskets (Espanol) Mechanical Packing and Gaskets (Espanol)pdf
Catalog: Chesterton Valve Packing (Nihongo) Chesterton Valve Packing (Nihongo)pdf
Brochure: Chesterton Valve Sealing Program (Espanol) Chesterton Valve Sealing Program (Espanol)pdf