Features 2 piece full port design allows for ease of maintenance. Fire tested and certified to API 607 Fourth Edition. Safety locking handles, V-ring packing, blow out proof stem design, anti-static ground device. Techinical data Pressure Class: ASME 150/300, PN16/25/40 Sizes: DN15 to DN300(1.5" to 12") End connections: ASME 150/300, ISO PN 16/25/40 Temperature range: -40?C to +200?C Material Body: Stainless Steel Ball: SS316 Disc: PTFE