... 2" thru 4-1/16" API Forged steel Mud valve API Series mud valve deliver reliable performance in heavy duty oilfield applications. Working ... tubing head, crosses ,flange adapter,etc)2) Valve (FC/FLS gate valve, mud gate valve, chock valve, etc)3) Fitting(union, manifold,elbows), ... products and other wellhead supplies, we can also supply you with OEM projects. We are firmly dedicated to providing the ...