Typical Pipe Fittings
The following are typical pipe fittings used for installing the mini chillers. Note that the pipe
fitting size of the chiller itself is 1-1/4".
a) Steel Pipe
Because of the pipe fitting size, it is recommended that the connecting pipes and fittings
to be joined with thread. However, where necessary, fittings for weld joining may also be
used.
The following standards are applicable for these fittings:
ASME B16.9, ASME B16.11, ASME B16.28 and ASME B1.20.1
Internal
thread
Tee joint
Internal
thread
90º elbow
Internal
Page 31 Section 3
thread
Reducer
45º elbow are also available
but not commonly used, unless
necessary
A tee joint can either be a flow
mixing or flow diverging point,
depending on the design of the
pipe work.
Some reduces/ fittings do not
have these ribs: used for better
gripping when tightening with
pipe wrench.
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