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387I

High-temperature/Pressure Steam Packing

John Crane Style 387I is a special high-temperature/pressure and corrosion-inhibited valve stem packing specifically designed for steam valve service commonly related to power generation.


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387i lg

Features

A round braided jacket of Inconel wire-inserted "S2" fiberglass over a specially designed extruded core containing chopped glass fibers, graphitic binders plus corrosion inhibitors. An external coating of a proprietary colloidal graphite dispersion is added, providing a highly lubricated sealing surface and protective coating.

Parameters

Temperature Limits

Steam: 1200°F/650°C

Pressure Limits

4,300 psi(g)/296 bar(g)

pH Range

2 to 12 (non-buffered solutions)

Recommended Applications

  • Process Pumps
  • Mixer and Agitators
  • Other Rotating Equipment
  • Valves

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