Valve Live Loading

An engineered sealing system that maintains operability and improves reliability—from shut down to shut down—in compliance with environmental regulations.

An engineered sealing system that maintains operability and improves reliability—from shut down to shut down—in compliance with environmental regulations.

Literature & Datasheets

Style 1600
Style 5100
Style 5150
Style 5300

  • Product Advantages
  • Product Characteristics Parameters
  • Product Installation View
Improves reliability in critical valves
Compensates for system pressure upsets, vibrations, and thermal cycling
Prevents leakage by gland force retention
Extends MTBR
Reduces maintenance costs
Reduced stem friction ensures operability
Warranty 5-year warranty (see valve emissions warranty for conditions)
Technical Data
Materials 5300 die-formed graphite packing with style 1600 Inconel®-reinforced braided graphite packing, carbon bushing, live loading spring sets.
Pressure Limit 317 bar g (4 600 psig)
Temperature Maximum 2 760°C (5000°F) in a non-oxidizing atmosphere
430°C (800°F) in an oxidizing atmosphere
Minimum -240°C (-400°F)
Chemical Resistance 0 ─ 14 with the exception of oleum, fuming nitric acid, aqua regia, fluorine, hydrochloric acid, and hydrofluoric acid.
Applications Block valves and air/motor-operated valves in the Power, Petrochemical, Oil Refining, Chemical, and other industries.
Chesterton 5300 and 1600 sealing solutions pass API 589 Fire Test
Components
Style 5150 Live Loading Sets 5150 live loading assemblies in conjunction with applied torque dramatically increase bolt travel due to deflection of the disc springs. The assemblies reduces valve leakage due to thermal cycling and packing wear.
Style 1600 End Rings Inconel wire-reinforced flexible graphite packing
Style 5300 Sealing Rings A square graphite precise density sealing ring with a low minimum gland load that creates a seal without large torque valves and friction. 5300 has a corrosion inhibitor to prevent stem pitting.
Style 5100 Carbon Sleeve 5100/5101 is a 99% carbon spacer that is used to retrofit deep stuffing boxes to reduce the number of rings to 5 in a valve. It is made to highly engineered tolerances and will not cause scoring of the valve stem.