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.
Omega Co-Axial Escapement. Omega Watches was recently measured to be the most desired watch brand in China, as well as one of the strongest luxury brands in that country. Across the globe, Omega is one of the best performing contemporary luxury watch makers.