GB 6172-1986 六角薄螺母 A和B级 倒角
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来源:标准资料网
基本信息
| 标准名称： | 六角薄螺母 A和B级 倒角 |
| 中标分类： |
机械 >>
通用零部件 >>
紧固件 |
| 替代情况： | 被GB/T 6172.1-2000代替 |
| 发布日期： | 1900-01-01 |
| 实施日期： | 1986-10-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 4页 |
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前言
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所属分类： 机械 通用零部件 紧固件
【英文标准名称】:Chemicalsusedfortreatmentofwaterintendedforhumanconsumption-Anionicandnon-ionicpolyacrylamides;GermanversionEN1407:1998
【原文标准名称】:饮用水处理用化学品.阴离子和非离子聚丙烯酰胺
【标准号】:DINEN1407-1998
【标准状态】:作废
【国别】:德国
【发布日期】:1998-10
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:水处理;试验;规范(验收);水常规;饮用水处理;范围;饮用水;化合物;纯度;给水;水常规(实验)
【英文主题词】:Chemicals;Drinkingwatertreatment;Polyacrylamides;Potablewater;Processingroutes;Properties;Purity;Purityrequirements;Scope;Specification(approval);Testing;Waterpractice;Watersupply;Watertreatment
【摘要】:Thedocumentdescribesthechemical/physicalrequirementsforanionicandnon-ionicpolyacrylamides.
【中国标准分类号】:G77
【国际标准分类号】:71_100_80
【页数】:9P.;A4
【正文语种】:德语
【英文标准名称】:Guidefortheprocurementofpowerstationequipment-Turbineauxiliaries-Deaerators
【原文标准名称】:发电站设备采购指南.涡轮机辅助设备.空气分离器
【标准号】:BSEN45510-6-1-1998
【标准状态】:现行
【国别】:英国
【发布日期】:1998-05-15
【实施或试行日期】:1998-05-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:发电站;安全措施;采购;技术写作;投标;组装;技术文献;验证;蒸汽冷凝器;涡轮机部件;定货;设计;维修;涡轮机;性能;规范;消费者与供货者的关系;选择;寿命;质量保证
【英文主题词】:Deaerator;Definitions;Deliveryconditions;Design;Documentations;Efficiency;Electricpowerstations;Equipment;Evaluations;Guidebooks;Guidelines;Interfaces(dataprocessing);Maintenance;Manufacturing;Operatingconditions;Performanceinservice;Procurements;Qualityassurance;Qualityrequirements;Specification(approval);Specifications;Stress;Supplyschedule;Supplying;Turbineauxiliaries
【摘要】:Thisstandardgivesguidanceonwritingthetechnicalspecificationfortheprocurementofdeaeratorsassociatedwithsteamgeneratingplantandsteamturbineplantforuseinelectricitygeneratingstations(powerstations).ThisGuideforprocurementisnotapplicabletoequipmentforuseinthenuclearreactorplantareaofnuclearpowerstations.OtherpossibleapplicationsofsuchequipmenthavenotbeenconsideredinthepreparationofthisGuide.ThisGuidecoversalltypesofdeaeratorsinstalledinpowerplantswhosefunctionistoacceptcondensatefromtheLP(lowpressure)feedtrain,toheatanddeaeratethewatertoaspecifiedlevelandthensupplyitasfeedtothefeedpumps.Thefeedwaterstoragetankprovidesareservoirofdeaeratedfeedwatertosatisfysystemtransientandfeedpumpsuctionrequirements.ItalsoactsasareceivingvesselforHP(highpressure)heaterdrainsandfeedpumprecirculationflows.Thetermdeaeratorinthiscontextistakentoincludethedeaeratingtowerordome,thefeedwaterstoragetankandassociatedplant.TheequipmentcoveredbythisGuideisdefinedbyitsfunctionratherthandesigntype.Therefore,theguidancetothespecificationisstatedinperformancetermsratherthanbeingspecifiedbyadetaileddescriptionoftheequipmenttobesupplied.ThisGuideindicatestopotentialpurchasershowtheirspecificationshouldbepreparedsothat:-theequipmenttypeandcapacityinterfacescorrectlywithotherelementsofthesystems;-predictedperformanceisachieved;-ancillaryequipmentisproperlysized;-reliability,availabilityandsafetyrequirementsareachieved;-properconsiderationisgiventotheevaluationprocessandthequalitymeasurestobeapplied.ThisGuidedoesnotdeterminethetypeofspecification(e.g.detailed,performance,functional)ortheextentofsupplyforanygivencontractwhichisnormallydecidedonthebasisofthepurchaser'sprojectstrategy.Itdoesnotcover:-anycommercial,contractualorlegalissueswhicharenormallyinseparatepartsofanenquiry;-anyallocationofresponsibilitieswhicharedeterminedbythecontract.ThisGuidedoesnotprescribethearrangementofthedocumentsintheenquiry.NOTEAsacomprehensiveEuropeanenvironmentalpolicyisstillunderpreparation,thisGuidedoesnotaddresstheenvironmentalimplicationsoftheequipment.
【中国标准分类号】:F20
【国际标准分类号】:27_040;27_100
【页数】:20P.;A4
【正文语种】:英语
