... P~u Material level DD KY65/21 Wellhead Equipment Standard API Spec 6A KY65/21 wellhead equipment, is mainly used in oil ... of bottom flange, tapper tubing head, upper flange, gate valve (6pcs), needle valve (2 pcs), small cross, choke (1 pcs) , hanger (1pcs ... ), stop valve (1pcs) and pressure gauge (1pcs), etc. Main Parameters Nominal Bore/ ...