DIN 20464-1988 简易地铁轨道道岔交叉口.半径30m.斜度1:6.轨距600mm

上一篇: DIN 20463-2-1988 第2部分:半径为30米、斜度1:6、轨距600毫米的带弹性开关片的简易地铁轨道用开关
下一篇: DIN 20465-1988 简易的地下矿道交叉点的道轨试验装置.半径30m.斜度1:6.轨距600mm

【英文标准名称】:StandardSpecificationforPrecastConcreteWaterandWastewaterStructures
【原文标准名称】:水和污水结构用预制混凝土标准规范
【标准号】:ASTMC913-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:C27.30
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:concrete;precast;structures;wastewater;water;Concreteconstructionmaterials/applications--specifications;Precastconcreteproducts--specifications;Wastewatertesting/treatment--specifications
【摘要】:1.1Thisspecificationcoverstherecommendeddesignrequirementsandmanufacturingpracticesformonolithicorsectionalprecastconcretewaterandwastewaterstructureswiththeexceptionofconcretepipe,boxculverts,utilitystructures,septictanks,greaseinterceptortanks,anditemsincludedunderthescopeofSpecificationC478.Note18212;Waterandwastewaterstructuresaredefinedassolarheatingreservoirs,cisterns,holdingtanks,leachingtanks,extendedaerationtanks,wetwells,pumpingstations,distributionboxes,oil-waterseparators,treatmentplants,manurepits,catchbasins,dropinlets,andsimilarstructures.Note28212;Insulationandsealantrequirementsshouldreceivespecialconsiderationduetospecialfeaturesoftheapplication.1.2Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.
【中国标准分类号】:Q13
【国际标准分类号】:13_060_30
【页数】:6P.;A4
【正文语种】:英语


【英文标准名称】:Liquidpumps-Safetyrequirements-Agrifoodstuffsequipment-Designrulestoensurehygieneinuse
【原文标准名称】:液泵.安全要求.农产食品设备.使用中卫生保证的设计原则
【标准号】:BSEN13951-2003+A1-2008
【标准状态】:作废
【国别】:英国
【发布日期】:2003-03-14
【实施或试行日期】:2003-03-14
【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】:接触范围;触点区域;定义;设计;卫生设备;食品厂;食品卫生学;食品;食品料;危害;健康危害;卫生学;使用说明书;液泵;材料;机械工程;操作说明书;保护措施;行业条款;泵送装置;泵设备;抽油装置;泵;安全;安全措施;安全要求;单位
【英文主题词】:Contactarea;Contactzone;Definitions;Design;Facilityofhygienics;Foodfactories;Foodhygiene;Foodproducts;Foodstuff;Hazards;Healthhazards;Hygiene;Instructionsforuse;Liquidpumps;Materials;Mechanicalengineering;Operationalinstructions;Protectivemeasures;Provisionindustry;Pumpinstallations;Pumpunit;Pumpinginstallation;Pumps;Safety;Safetymeasures;Safetyrequirements;Units
【摘要】:ThisEuropeanStandardisconcernedwiththespecialtechnicalsafetyrequirementsforliquidpumpsandpumpunitsoperatingwithagrifoodstuffs.ItaugmentsEN809andcontainsalistoftheadditionalsignificanthazardswhichcanarisefromthepumpandpumpunitsusedwithsubstancesintendedforhumananddomesticanimalconsumption.IndraftingthisstandarditwasassumedthatthepumpsfallingwithinitsscopewillconformtoallrelevantrequirementofEN809.Italsoestablishesrequirementsand/ormeasureswhichleadtoareductionoftherisks.Thisstandardisnotintendedtobeusedforpumpsandpumpunitsatanystageinthepublicwatersupply,norforpumpshandlingpharmaceuticalproducts,norforanyotherapplicationforwhichmoreappropriatestandardscanexist.Conformitytothisstandardaimstoensurethatthepump,ifusedinaccordancewiththeinstructionhandbook,willremainsafeand,provideditisadequatelycleaned,willnotcausecontaminationofthepumpedproduct.Althoughitistheresponsibilityofthemanufacturertoensurethatthepumpcanbecleaned,duetotheinfluenceoftheproduct,theprocessandthecleaningregimeadopted,thehygieneofthepumpshouldultimatelybetheresponsibilityoftheend-user.Thepumpsandpumpunitswhichfallwithinthescopeofthisstandardaredescribedas:?rotodynamicpumps;?rotarypositivedisplacementpumps;?reciprocatingpositivedisplacementpumps.PumpshandlingagrifoodstuffswhichdonotfallwithinthisscopeshouldcomplywithEN1672-2.
【中国标准分类号】:J71
【国际标准分类号】:23_080;67_260
【页数】:32P.;A4
【正文语种】:英语