... two type different )Meterial: stainless steel 304DIMENSION:D278*590MMTHICKNESS: BODY 1.2MMRING :1.5MMN.W:8KG type:US type unstackable available; Valve : with D type ... sankey spear , or another type spear neck:14''TPI WITH ... ,1/6 is available A,M,G,S ,D valve is available Safety Opening Pressure: 40 bar Operating Overpressure: ...