標準號：BS EN ISO 10434-2004
中文標準名稱：石油、石化和相關工業(yè)用螺栓帽狀鋼閘閥
英文標準名稱：Bolted bonnet steel gate valves for the petroleum, petrochemical and allied industries
標準類型：E98
發(fā)布日期：2004/7/30 12:00:00
實施日期：2004/7/30 12:00:00
中國標準分類號：E98
國際標準分類號：23.060.30
適用范圍：ISO 10434:2004 specifies the requirements for a heavy-duty series of bolted bonnet steel gate valves for petroleum refinery and related applications where corrosion, erosion and other service conditions would indicate a need for full port openings, heavy wall sections and large stem diameters. It sets forth the requirements for the following gate valve features: bolted bonnet; outside screw and yoke; rising stems; nonrising handwheels; single or double gate; wedge or parallel seating; metallic seating surfaces; flanged or butt-welding ends. It covers valves of the nominal sizes DN 25, 32, 40, 50, 65, 80, 100, 150, 200, 250, 300, 350, 400, 450, 500 and 600, corresponding to nominal pipe sizes NPS 1, 1 1/4, 1 1/2, 2, 2 1/2, 3, 4, 6, 8, 10, 12, 14, 16, 18, 20 and 24. It is applicable to pressure Class designations 150, 300, 600, 900, 1500 and 2500.