Size: 1/2" ~ 12"(DN15 ~ DN300) Rating: PN16~PN100 Body Materials: Carbon steel,Stainless Steel,Alloy steel Temperature: Air&liquid â?¤300â??,steam:â?¤550â??,Acid gas:â?¤200â?? Design standard: DIN(GB),API526 Type: A42,A42,A47 full lift type ,low lift type Connect type: Flange end,Thread end