API 6A high pressure mud valve: 2.Temp:K.L.P. R .S. T.U.V ... " thru 4-1/16" API 6A high pressure mud valve API Series mud valve deliver reliable performance in heavy duty oilfield applications. Working pressure ... adapter,etc)2) Valve (FC/FLS gate valve, mud gate valve, chock valve, etc)3) Fitting(union, manifold,elbows),Bop. API 6A high pressure mud ...