Gland packing
July 1st 2007 Totally carbon-based, the new
Supagraf RibbonPak from James
Walker provides high integrity
sealing for steam valves at high
temperatures and pressures. It also
works as a long-life gland packing
for high speed rotary pumps that
handle condensate, process water,
chemical solutions or slurries.
Supagraf RibbonPak SC is
chemically inert in the range pH 0-
14, excluding strong oxidising
agents. It works at up to 650°C in
steam or 450°C in oxidising
conditions. Maximum system
pressure in valves is 250bar. In
rotary pumps it works at up to
20m/s shaft speed or 25bar system
pressure. It is supplied in all
popular sections from 3mm to
25mm, boxed in 8m lengths, or as
moulded rings, split preformed
rings and sets. More articles from James Walker SPS Ltd: | 
