Hints and Rules can
be provided for many types of equipment - from
compressors to distillation columns, to heat
exchanges, to vessels. Such guidelines are useful
in preliminary design calculations and cost
These hints may be valuable for preliminary design
and cost-estimating. They have been obtained from a
variety of sources and publications and are
intended as a helpful first estimate only.
The hints given here are subject to various
qualifications. Accordingly, most of the rules are
best applied by experienced engineers familiar with
their application. Glyde would like to emphasise
whilst helpful the use of these hints is at the
complete risk of the user and professional advice
should be obtained for specific designs.
We ask that all people adopt the much vaunted
concept "When in doubt ASK"
These hints are from a variety of sources including
SM Wales, Perry Chemical Engineers Handbook, and
others with more information on these available