Check Valve The check valve is a key component made up of kill and choke manifolds Available sizes 2 9/16″, 3 1/8″, 4 1/16″ Pressure grade ranged from 5000psi, 10000psi to 15000psi H2S service API flange connection Reliable operation performance Full pressure tested before delivery ​Conforming to API Spec 6A Product Specifications For Check Valve KEY VALVE PARTS MATERIAL MADE OF Value body 35CrMo Valve rod 35CrMo Spring 65Mn Spool 2CuA19-4 Ring NBR Valve cover 35CrMo Valve cover bolt 35CrMo Valve cover Nut 40Cr
