Valve accessories, like stems, valve caps, bolts of living, shafts; pumps, and other components are available. ... 1.Forgings: rod, pipe, plate, tube, flange, etc 2.Castings: valve parts, tubine parts Hastelloy B2 nickel alloy pipe 1. We ... . Process: Investment casting, hot forging etc. 4. Description: Valve accessories, like stems, valve caps, bolts of living, shafts; pumps, and other components are ...