1/2 L copper has the same outer diameter as 1/2 K or M copper. The same applies to pipe schedules. As a result, a slight increase in pressure losses is realized due to a decrease in flowpath as wall thickness is increased. In other words, 1 foot of 1/2 L copper has slightly less volume than 1 foot of 1/2 M copper.
Definition of omega. 1  1 : the 24th and last letter of the Greek alphabet â see alphabet table. 2  2 : the extreme or final part : end.
It is an 18-carbon fatty acid possessing three double bonds, with the first double bond located between the fifth and sixth carbons. While chemically similar to Conjugated Linoleic Acid (CLA), the Omega 5 molecule is extremely unique in that it has three double bonds instead of two.