High-temperature – Pressure Steam Packings

Manufacturer: John Crane

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.

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

• California Residents: PROPOSITION 65 WARNING
• 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.