Materials Part Name Material Option Body ASTM A 216 WCB / A 351 CF8 / A 351 CF8M / A 351 CF3 / A 351 CF3M / CAST IRON Yoke ASTM A 216 WCB / A 351 CF8 / A 351 CF8M / A 351 CF3 / A 351 CF3M / CAST IRON Elect. Actu. MFG. STD. Yoke Sleeve SG IRON Gate AISI 304 /AISI 316 Spindle AISI 304 /AISI 316 Gland ASTM A 216 WCB / A 351 CF8 / A 351 CF8M / A 351 CF3 / A 351 CF3M / CAST IRON Gland Packing GRAPHITED ASBESTOS/PTFE Seat Ring AISI 304 /AISI