Forged Steel Globe Valve Standard and specification: 1, Design and manufacture: BS 602, ASME B16.34 2, Connection ends: ASME B16.11 3, Face to face dimension: ASME B16.5, ASME B16.10, ASME B1.20.1 4, Testing and inspection: API 598 5, Normal pressure or rating: class 150 ~ class 1500 6, Normal diameter or bore: 1/2" ~ 2" 7, Operation type: manual, electric 8, Major Material: A105,F304,F316, F11,F22,LF2