HG/T 20610-2009.Spiral wound gaskets for use with steel pipe flanges(PN designated).1范围HG/T 20610规定了钢制管法兰(PN系列)用缠绕式垫片的型式、尺寸、技术要...
HG/T 20609-2009.Metal jacketed gaskets for use with steel pipe flanges(PN designated).1范围HG/T 20609规定了钢制管法兰(PN系列)用金属包覆垫片的型式、尺寸、技术...
HG/T 20607-2009.PTFE envelope gaskets for use with steel pipe flanges(PN designated).1范围HG/T 20607规定了钢制管法兰(PN系列)用聚四氟乙烯包覆垫片的型式、尺寸...
HG/T 20612-2009.Metallic ring joint gaskets for use with steel pipe flanges(PN designated).1范围HG/T 20612规定了钢制管法兰(PN系列)用金属环形垫的型式、尺寸、技...
HG/T 20543-2006.Technical specification of lining for chemical industrial furnace.1总则1.0.1HG/T 20543条件规定了一般化学工业炉窑衬里砌筑对材料、施工检验和验...
HG/T 20544-2006.Technical specification on erection of structure parts for chemical industrial furnace.1总则1.0.1 HG/T 20544条件规定了化工装置中工业炉的钢结构、炉...
HG/T 20555-2006.Specification for design of centrifugal compressor foundation.1总则1.0.1为了在离心式压缩机刚架式基础设计中贯彻执行国家的技术经济政策,做...
HG/T 20592-2009.Steel pipe flanges(PN designated).1总则1.0.1HG/T 20592规定了钢制管法兰(PN系列)的基本技术要求,包括公称尺寸、公称压力、材料、压力-温...
HG/T 20606-2009.Non-metallic flat gaskets for use with steel pipe flanges(PN designated).1范围HG/T 20606规定了钢制管法兰(PN系列)用非金属平垫片(具有嵌人物或无...
HG/T 20524-2006.Specification on design of chemical feed system of recirculating cooling water treatment for chemical enterprises.1总则1.0.1为了使化工企业循环冷却水处理...
