Shut-off ball valve welding end / flanged end fully-welded construction reduced bore Body material: Steel P235GH (1.0345) Ball material: Stainless steel X5CrNi18-10 (1.4301) Spring-loaded ball sealing made of reinforced PTFE Stem: Stainless steel X8CrNiS18-9 (1.4305) Steam sealing: FPM Type Vexve 105200 Type Naval 284716 Operation conditions acc. to data sheet incl. handle