Specification of

Chesterton 1601
Reinforced Graphite Steam Service Packing
An Inconel® wire mesh graphite packing designed for the power industry
for superior leakage control and high performance without PTFE lubrication.
■ Proven in high-pressure,
high-temperature
steam service
■ A corrosion inhibitor
is applied to deter
stem pitting
■ PTFE-free
Technical Data
Material Inconel wire-reinforced, flexible graphite packing
Applications All isolation and steam valves
Pressure Limit 345 bar g (5000 psig)
Temperature Limit 650°C (1200°F) steam, 455°C (850°F) oxidizing environment
Chemical Resistance pH 0 – 14 except in strong oxidizers