JJG(石油) 36-1994 螺纹轮廓仪检定规程
作者:标准资料网 时间:2024-05-20 17:07:08 浏览:9869
来源:标准资料网
基本信息
标准名称: | 螺纹轮廓仪检定规程 |
英文名称: | Verification Regulation of Profile Instrument of Threads |
发布部门: | 中国石油天然总公司 |
发布日期: | 1995-01-18 |
实施日期: | 1995-07-01 |
首发日期: | |
作废日期: | 2010-08-20 |
归口单位: | 石油工业计量专业标准化技术委员会 |
起草单位: | 中国石油天然总公司石油管材研究所 |
起草人: | 俞贵根、田育洲、林智明 |
出版日期: | |
页数: | 13页 |
适用范围
本规程适用于使用中的螺纹轮廓仪的检定。
前言
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目录
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引用标准
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所属分类: 化工 化工机械与设备 化工机械
【英文标准名称】:StandardTestMethodsforMeasuringSurfaceAtmosphericPressure
【原文标准名称】:测量地面大气压的标准试验方法
【标准号】:ASTMD3631-1999(2007)
【标准状态】:现行
【国别】:美国
【发布日期】:1999
【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】:D22.11
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:aneroidbarometer;atmosphericpressure;barometer;barometry;Fortin-typemercurialbarometer;mercurialbarometer;pressure
【摘要】:1.1Thesemethodscoverthemeasurementofatmosphericpressurewithtwotypesofbarometers:theFortin-typemercurialbarometerandtheaneroidbarometer.1.2Intheabsenceofabnormalperturbations,atmosphericpressuremeasuredbythesemethodsatapointisvalideverywherewithinahorizontaldistanceof100mandaverticaldistanceof0.5mofthepoint.1.3Atmosphericpressuredecreaseswithincreasingheightandvarieswithhorizontaldistanceby1Pa/100morlessexceptintheeventofcatastrophicphenomena(forexample,tornadoes).Therefore,extensionofaknownbarometricpressuretoanothersitebeyondthespatiallimitsstatedincanbeaccomplishedbycorrectionforheightdifferenceifthefollowingcriteriaaremet:1.3.1Thenewsiteiswithin2000mlaterallyand500mvertically.1.3.2Thechangeofpressureduringtheprevious10minhasbeenlessthan20Pa.Thepressure,P2atSite2isafunctionoftheknownpressureP1atSite1,thealgebraicdifferenceinheightabovesealevel,h1h2,andtheaverageabsolutetemperatureinthespacebetween.ThefunctionalrelationshipbetweenP1andP2isshownin10.2.ThedifferencebetweenP1andP2foreach1mofdifferencebetweenh1andh2isgiveninTable1and10.4forselectedvaluesofP1andaveragetemperature.1.4Atmosphericpressurevarieswithtime.Thesemethodsprovideinstantaneousvaluesonly.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificsafetyprecautionarystatementsaregiveninSection7.
【中国标准分类号】:A47
【国际标准分类号】:07_060
【页数】:5P.;A4
【正文语种】:英语
Product Code:SAE AS4625
Title:Hose Assembly, Polytetrafluoroethylene, Para Aramid Reinforced, Heavy-Duty, 275 Degrees F, 3000 Psi, Flareless, Titanium Fittings, Including Jump Size, Straight to 45 Degrees
Issuing Committee:G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Scope:No scope available.