API Forged steel Mud valve: 2.Temp:K.L.P. R .S. T.U. ... 4.Size:2" thru 4-1/16" API Forged steel Mud valve API Series mud valve deliver reliable performance in heavy duty oilfield ... tubing head, crosses ,flange adapter,etc)2) Valve (FC/FLS gate valve, mud gate valve, chock valve, etc)3) Fitting(union, manifold,elbows), ... customers. Welcome to contact us for more details. mud valve gate valve API 6A Mud ...