... -Valve API 5API 6API 6API 7API 7API 8Weight (excl. belt wheel) (kg)19,900(9,027)26.603(12, ... the following accompanying technical information in English,A: A manual for Installation, a manual for operation a manual for maintenanceB: Test Report in accordance with the ... chemical element,Mechanical properties, Flaw detection and other Quality Report for Valve box, case, crank, shaft, large gear ring.About ...