400STZ
TYPE 400 DUCTILE IRON BALL VALVE SCREWED ENDS,REDUCED BORE,END TO END:KITZ STANDARD,END CONNECTION:JIS B0203,WALL THICKNESS:KITZ STANDARD,TEST STANDARD:KITZ STANDARD
,・Water, oil, gas at normal temperature:2.75MPa / ・Saturated steam (183℃):0.98MPa