... water liter. Manufacturing standards:GB5099,DOT-3AA,EN1964-1,ISO9809,Q/JB Seamless steel cylinder’s has reliable quality ,clear stamping, consistent ... -35Mpa in working pressure, 0.4-120L in water liter.1) 37Mn, 30CrMo, 34CrMo2) Outside diameter: 108-356mm3) Water ... GB5099,ISO9809-1,DOT-3AA,EN1964-1,Q/JB THB008We also offer the valve aplly in the different steel cylinders 37Mn seamless steel cylinder