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types of valve packing

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 under wa​rranty for 3 or 5 years, depending upon service (type of valve, service conditions, etc.). Please contact your Chesterton representative for details.​

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Description

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

Applications

Refinery slide valves
Reformer valves
Severe service
Control valves
Steam valves

Technical Data

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.

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