THERMAL
EXPANSION COMPENSATORS
Internal flexible
membrane reacts instantly to absorb extreme liquid expansion
Static liquid, subject to
even a modest temperature rise, will expand. This can result in extremely high
pressures being generated by the expanding liquid. Unless compensated for, the
excessive pressure build up will rupture pipework causing damage to
instrumentation, pipework, vessels and equipment – therefore, expensive
downtimes. Costly leakage of product from flanges and fittings can result in a
serious risk to the safety of personnel and possible contravention of
environmental regulations.
THE PROBLEM
- Temperature
increases
- Unwanted
spillages
- Broken
pipelines
- Leaks
- Contamination
from relief valves
- Excess
pressures
- Liquid
expansion
source :
http://www.coorstek.com/markets/energy_equipment/oil-gas/flowguard/expansion.php
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