Chapter hvac engineering Fundamentals: Part 1 Introduction

180
Chapter Six
Water out
Water in
Drain
Vent
Figure 6.25
Centrifugal air separator.
Figure 6.26
In-line air separator.
An in-line air separator can be field-fabricated, by using a section
of pipe large enough to reduce the flow velocity below 1.5 ft / s and with
a length about 6 times the diameter (Fig. 6.26). This will allow some
of the air to separate and to be carried off through a vent line. For
HTW systems, all air vents must be manual because of the high pres-
sures involved.
Design Procedures: Part 4
Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com)
Copyright © 2004 The McGraw-Hill Companies. All rights reserved.
Any use is subject to the Terms of Use as given at the website.

---