Product Description ball valve FEATURES: ball valves Top entry Size: NPS2"~56" Rating: Class150~2500 Material: WCB, LCB, LCC, WC6, WC9, CF8, CF8M, CF3, CF3M, 4A, 5A A105, LF2, F11, F22, F304, F316, F304L, F316L, F51, F53 Design and manufacture standards: API 6D, BS 5351, API 608, ASME B16.34 Face to face standards: ASME B16.10, API 6D, DIN 3202, End flange dimension: ASME B16.5(for NP 24); ASME B16.47 series B, API 605 or ASME B16.47 series A, MSS SP-44 (for NPS bigger than 24), ISO 7005-1, JIS B2238, BS 12627 BW end dimension: ASME B16.25 Socket-weld dimension: ASME B16.11 Test standards: API 598, AP16D, BS 6755, ISO 5208 Constructions: ball valve Two-piece body, Three-piece body Double Block & Bleed Bi-direction sealing Seat and stem sealant injections Anti-static device Blow-out Proof Stem Fire safe as per API607 Full bore, Reduced bore ball valve