Apart from what has been mentioned, for heavy pipes, use of
low-friction pads and PTFE slide plates can help. It shall be ensured
that the temperature in the vicinity of PTFE is less than around 200
Deg. C. Graphite slide plates are available.
Another practice is to avoid direct welding of shoe or shoe pad on the
pipe but to have a couple of clamps on the pipe and weld the shoe
parts to the clamps. These standard practices are well documented in
pipe support manufacturers' catalogs.
R.V.Ramachandran, Bangalore, India
Received on Sun Aug 21 21:30:00 2005
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