HG/T 20635-2009.Specification for selection of steel pipe flanges, gaskets and bolting(Class designa...
HG/T 20672-2005 尿素造粒塔设计规定
HG/T 20672-2005.Specification for design of urea prilling tower. 1总则 1.0.1尿素造粒塔既是构筑物,也是尿素生产中的重要化工设备。...
HG/T 20673-2005 压缩机厂房建筑设计规定
HG/T 20673-2005.Specification for structural design of compression house. 1总则 1.0.1 为适应化工和石油化工行业的发展,...
HG/T 20681-2005 锅炉房、汽机房土建荷载设计条件技术规定
HG/T 20681-2005.Technical stipulation of civil-load requirements for the design of boiler and turbin...
HG/T 20628-2009 钢制管法兰用聚四氟乙烯包覆垫片(Class系列)
HG/T 20628-2009.PTFE envelope gaskets for use with steel pipe flanges(Class designated). 1范围 HG/T 20...
HG/T 20630-2009 钢制管法兰用金属包覆垫片(Class系列)
HG/T 20630-2009.Metal jacketed gaskets for use with steel pipe flanges(Class designated). 1范围 HG/T 2...
HG/T 20631-2009 钢制管法兰用缠绕式垫片(Class系列)
HG/T 20631-2009.Spiral wound gaskets for use with steel pipe flanges(Class designated). 1范围 HG/T 206...
HG/T 20632-2009 钢制管法兰用具有覆盖层的齿形组合垫(Class系列)
HG/T 20632-2009.Covered serrated metal gaskets for use with steel pipe flanges(Class designated). 1范...
HG/T 20633-2009 钢制管法兰用金属环形垫(Class系列)
HG/T 20633-2009.Metallic ring joint gaskets for use with steel pipe flanges(Class designated). 1范围 H...
HG/T 20613-2009 钢制管法兰用紧固件(PN系列)
HG/T 20613-2009.Bolting for use with stc:l pipe flanges(PN designated). 1范围 HG/T 20613规定了钢制管法兰(PN系列)...
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