MATERIAL - CAST IRON / CAST STEEL / WCB / STAINLESS STEEL 3O4/316/316L BALL - STAINLESS STEEL 304 / 316 STEAM - STAINLESS STEEL 304/316/ GLAND NUT - STAINLESS STEEL 304/316 LEVER - STAINLESS STEEL 304 SEAT - PTFE / CTFE / GTFE STUD NUT - STAINLEES STEEL 304