... 4. OEM and compact design 1) Name: forging steel four way valve body,forged alloy steel valve body, Valve body.2 ... , Stainless Steel, Superalloy Steel and Alloy Steel. Wind Power Shaft: 42CrMo4V, 34CrNiMo6. Wind Power Flange Ring: S355NL, C22, 16Mn, 20Mn, 42CrMo, F304 ... quality assurance system will conduct throughout the whole production. Four-way Valve Body F91 For Nuclear Power Plant