HG/T 20614-2009.Specification for selection of steel pipe flanges, gaskets and bolting(PN designated...
HG/T 20615-2009 钢制管法兰(Class系列)
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...
HG/T 20623-2009 大直径钢制管法兰(Class系列)
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...
HG/T 20627-2009 钢制管法兰用非金属平垫片(Class系列)
HG/T 20627-2009.Non-metallic flat gaskets for use with steel pipe flanges(Class designated). 1范围 HG/...
HG/T 20698-2009 化工采暖通风与空气调节设计规范
HG/T 20698-2009.Code for design of heating ventilation and air conditioning for chemical plant. 1.1 ...
HG/T 21510-2005 橡胶工厂初步设计文件内容深度规定
HG/T 21510-2005.Specification on content and procedure of preliminary design file for rubber plant. ...
HG/T 21557.3-2006 塑料阶梯环填料
HG/T 21557.3-2006.Plastic cascade ring packing. 1总则 1.0.1 目的。 为了在工程设计及工程建设中应用塑料阶梯环填料能遵循统-的规格标准,正确选用,...
HG/T 21559.3-2005 不锈钢丝网波纹填料
HG/T 21559.3-2005.Stainless steel wire corrugated packing standard. 1总则 1.0. 1HG/T 21559.3规定了不锈钢丝网波纹...
HG/T 21574-2008 化工设备吊耳及工程技术要求
HG/T 21574-2008.Chemical equipment lifting lugs and engineering technical specification. 1范围 HG/T 21...
HG/T 20685-2005 化学工业炉名词术语统一规定
HG/T 20685-2005.Unified specification of terminology for chemical industrial furnace. 1总则 1.0.1为统一化学...
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