... thru 4-1/16" API Forged steel Mud valve API Series mud valve deliver reliable performance in heavy duty oilfield applications. ... valveC: Bore centerline to handwheel topD: Handwheel diameter Mud Valve 3000psi working pressure sizeBore(mm)Borel(mm)J1(mm)A ... ,flange adapter,etc)2) Valve (FC/FLS gate valve, mud gate valve, chock valve, etc)3) Fitting(union, manifold,elbows),Bop. About JEFA Machinery ...