论文部分内容阅读
栓接和压力密封式阀盖的法兰和对焊连接的钢闸阀ＡＰＩ６００第１０版１９９７．２１概述１．１范围１．１．１本标准适用于公称通径ＮＰＳ１至ＮＰＳ２４的法兰和对焊连接的钢闸阀，其公称通径与ＡＳＭＥＢ３６．１０Ｍ规定的公称管径的规格一致。１．１．２本标准适用于...
Flanged and Pressure Sealed Bonnet Flanges and Butt Welded Steel Gate Valves API600 10th Edition 1997.21 General 1.1 Scope 1.1.1 This standard applies to flanges of nominal diameters NPS1 to NPS24 and to Welded steel gate valve, the nominal diameter and ASMEB36.10M specified nominal diameter of the same specifications. 1.1.2 This standard applies to ...