A. Copper Tube ExtensionsB. Hermetic Welded and Brazed JointsC. Reinforced Teflon* SeatsD. One Piece Forged Brass BodyE. Bearing WasherF. Changeable Reinforced Teflon* Stem PackingG. Packing GlandH. Stem Cap Assembly with Neoprene SealI. Chromium Plated Ball with Vented Valve