HG/T 20681-2005.Technical stipulation of civil-load requirements for the design of boiler and turbine house.1总则及基本规定1.1 总则1.1.1为了统一工业企业与区域供热...
HG/T 20628-2009.PTFE envelope gaskets for use with steel pipe flanges(Class designated).1范围HG/T 20628规定了钢制管法兰(Class系列)用聚四氟乙烯包覆垫片的型式、...
HG/T 20630-2009.Metal jacketed gaskets for use with steel pipe flanges(Class designated).1范围HG/T 20630规定了钢制管法兰(Class系列)用金属包覆垫片的型式、尺寸、...
HG/T 20631-2009.Spiral wound gaskets for use with steel pipe flanges(Class designated).1范围HG/T 20631规定了钢制管法兰(Class系列)用缠绕式垫片的型式、尺寸、技...
HG/T 20632-2009.Covered serrated metal gaskets for use with steel pipe flanges(Class designated).1范围HG/T 20632规定了钢制管法兰(Class系列)用具有覆盖层的齿形组合...
HG/T 20633-2009.Metallic ring joint gaskets for use with steel pipe flanges(Class designated).1范围HG/T 20633规定了钢制管法兰(Class系列)用金属环形垫的型式、尺寸...
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)用紧固件的型式、尺寸、材料、标记、技术要求...
HG/T 20614-2009.Specification for selection of steel pipe flanges, gaskets and bolting(PN designated).1范围HG/T 20614规定了钢制管法兰、垫片和紧固件(PN系列)配合使...
HG/T 20615-2009.Steel pipe flanges(Class designated).1总则1.0.1HG/T 20615规定了钢制管法兰(Class系列)的公称尺寸、公称压力、材料、压力-温度额定值、法兰...
HG/T 20623-2009.Large diameter steel pipe flanges(Class designated).1总则1.0.1 HG/T 20623规定了大直径钢制管法兰(Class系列)的公称尺寸、公称压力、材料、压力...
