Double block and bleed ball valve:Specification:2" ~ 24"(DN50~DN400)ANSI Ratings 150# ~ 2500# (PN16~PN420)3 Pieces Body ConstructionRF RTJ BW ConnectionsMain Body Material : ASTM A105, A182 304, A182 316, A182 304L, A182 316L,A182 F6A,A182,F51,A182 F53,F22 Alloy Main Ball Material: ASTM A105, A182 304, A182 316, A182 304L, A182 316L,A182 F6A,A182,F51,A182 F53,F22 AlloyMain Seats Material: PTFE/ ...