A straight tee means a tee of pipe fitting which the branch outlet has a 90 degree direction turning from the main pipe of the tee.Commonly people consider the straight tee as the equal tee,it is a mistake.Equal tee means a same sizes of the branch and main pipe of a tee.Straight tee means it ha ...
The reducing cross also is called unequal pipe cross , it is the pipe cross which the four branch ends are not in the same diameters. just like a unequal tee, the reducing cross connect the pipes of different diameters.
Since the pipe cross has four ends, when describe a reducing cross people ...