The present invention relates to a metal transition fitting used in plumbing and piping system. More particularly, the present invention relates to a metal transition pipe fitting comprising a metal insert with one fourth of inner part having metal threads and three fourth of inner part having plain metal surface, s...
The metal insert used in plumbing and piping system comprising of inner part and coarse outer part. The inner part of the metal insert is provided with threads. The coarse outer part of the metal insert is provided with plain grooves to accommodate at least two O-rings and the coarse outer part of the metal insert w...