Oil Mist Filters for Rotary Vane Vacuum Pumps
Keep oil mist and vapors from entering the environment
Introduction:
Anyone who has been around a vacuum pump operating inside of a laboratory
knows very well that the pump oil "vapors" can be smelled and otherwise
sensed. No one really knows the long term toxicological effects of
breathing these "oil mist vapors". Therefore, all major pump manufacturers
offer oil mist filters which are designed to capture these vapors and
reduced substantially, but again, anyone who has been around pumps so equipped,
knows that the vapor discharge has not been reduced to zero.
For reasons we have never fully understood, the major pump manufacturers
have always offered the oil mist filters separately and not as a standard
part of the pump. Many times, newcomers to the field don't understand that
for an installation not vented to the outside, they really should be
installing an oil mist filter in order to make for a healthier working
environment.
When used alone or with a vented exhaust to the outside, the oil mist filter
both captures oil that might be ejected to the atmosphere and also
neutralizes oily smells (when used with an Odor Filter Element). While
controlling unwanted pollution of the room, the filter also helps to conserve
fluids and can increase savings by continuously returning trapped oil to the main
pump reservoir (when used with the Oil Return Pack). We strongly recommend the use
of the an oil mist filter on all rotary vane vacuum pumps in order to make for a
healthier working environment.
The case for venting to the outdoors:
Some institutional safety departments require that rotary vane pumps have
their exhausts always vented to the outside. Building managements fight
this because it causes other problems with the control of their air
conditioning, humidity, etc. This subject was also addressed on the
Worldwide Microscopy Listserver sponsored by MSA (Microscopy Society of America).
Available Oil Mist Filters:
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Friday July 25, 2008
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