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Air vent on steam exchangers: How?

by rollingstein
Tags: exchangers, steam, vent
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rollingstein
#1
Aug14-13, 11:37 PM
PF Gold
P: 330
Often on high points of steam heated Shell&Tube heat exchangers etc. I've seen a vent specified to allow air and other non condensables to vent.

e.g. this sketch

What's this device (I mean the one labelled "Air vent") in practice? It doesn't seem like a regular steam trap. Or is it? Or just a weep hole? But that'd constantly bleed steam.

In general, how is venting of steam enclosures achieved.
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Baluncore
#2
Aug21-13, 07:43 AM
Sci Advisor
Thanks
P: 1,749
http://www.plastomatic.com/air-gas-differences.html
rollingstein
#3
Aug25-13, 08:11 AM
PF Gold
P: 330
Ah! That must be what I need.

Thanks!


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