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MODULAR PIPEWORK
SYSTEMS
Jacob
(UK) Limited / Unit 2, Laundry Bank, Church
Stretton, SY6 6PH / Tel:01694 722841 / fax:01694 723473
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Minimum velocities
of air in extraction systems:
The smaller values
are only applicable in pipe systems with a very gentle air flow – bends
with big radius, forks with small angle, short or vertical pipe lines.
Scope-woodworking:
Wood chips 25-30
m/s
Sawdust, damp 22-24 m/s
Thick wood chips 18-22 m/s
Wood wool 18-20 m/s
Little shavings 16-18 m/s
Finest wood dust 12-14 m/s
