石油專(zhuān)用螺紋通常稱(chēng)為API螺紋。API螺紋最典型常用的API Spec7中的鉆具接頭螺紋,為了確保該鉆具接頭螺紋在國(guó)際間的互換性,API的標(biāo)準(zhǔn)對(duì)螺紋量規(guī)、量值傳遞和量值溯源均有嚴(yán)格的規(guī)定。各種規(guī)格螺紋量規(guī)在API只有一個(gè)基準(zhǔn),即:原始規(guī)。中國(guó)計(jì)量科學(xué)研究是得到API認(rèn)可的范圍內(nèi)六個(gè)地區(qū)規(guī)之一。原始規(guī)校準(zhǔn)地區(qū)規(guī) 、地區(qū)規(guī)校準(zhǔn)校對(duì)規(guī)、校準(zhǔn)規(guī)校準(zhǔn)工作規(guī)、工作規(guī)檢測(cè)螺紋工作。
API產(chǎn)品質(zhì)量審查專(zhuān)家現(xiàn)場(chǎng)如何對(duì)用戶(hù)使用的工作量規(guī)進(jìn)行驗(yàn)收?
API產(chǎn)品質(zhì)量審查驗(yàn)收人員對(duì)用戶(hù)單位檢查時(shí),首先查石油專(zhuān)用工作量規(guī)是否有校準(zhǔn)證書(shū),鑒定機(jī)構(gòu)所使用的校對(duì)量規(guī)是否已溯源到北京中國(guó)計(jì)量科學(xué)研究院的國(guó)家基準(zhǔn),能否提供出北京出具的校對(duì)量規(guī)的校準(zhǔn)證書(shū)。若所使用的校對(duì)量規(guī)未送北京進(jìn)行鑒定,則該校對(duì)量規(guī)對(duì)工作量規(guī)的鑒定結(jié)果是無(wú)效的。其次要查API Spec7石油鉆桿接頭校對(duì)量規(guī)的編號(hào)(4位數(shù)),此編號(hào)在美國(guó)API學(xué)會(huì)達(dá)拉斯辦事處備案。若滿足以上條件,則量規(guī)審驗(yàn)通過(guò)。
1、原始規(guī)存放在美國(guó)國(guó)家標(biāo)準(zhǔn)技術(shù)研究院
2、API可以鑒定校對(duì)規(guī)的機(jī)構(gòu)共有以下7家:
1)阿根廷,布宜諾斯艾利斯:國(guó)家工業(yè)技術(shù)研究所
2)意大利,羅馬:精密電子設(shè)備廠
3)美國(guó),馬里蘭,蓋瑟斯堡:國(guó)家標(biāo)準(zhǔn)和技術(shù)研究院
4)英國(guó),密得塞斯,特丁頓:國(guó)家物理實(shí)物室
5)日本,茨本:國(guó)家計(jì)量研究實(shí)驗(yàn)室
6)澳大利亞,新南威爾士,其本得爾:國(guó)家標(biāo)準(zhǔn)實(shí)驗(yàn)室(限于規(guī)格不大于8 5/8
的量規(guī))
7)中國(guó)·北京:中國(guó)計(jì)量科學(xué)研究院。
3、校對(duì)規(guī)的鑒定:必須送往以上6家機(jī)構(gòu)之一進(jìn)行鑒定,才能得到API承認(rèn)。
4、工作規(guī)的鑒定:必然使用符合API規(guī)范量值溯源要求的校對(duì)規(guī)對(duì)其進(jìn)行鑒定,才能得到API的認(rèn)可,產(chǎn)品驗(yàn)收則能通過(guò)。量規(guī)的相互關(guān)系:API量值傳遞系統(tǒng)實(shí)際上是四級(jí)量值傳遞系統(tǒng),簡(jiǎn)單可用以下形式表示出來(lái)。
可見(jiàn),原始規(guī)用來(lái)檢驗(yàn)地區(qū)規(guī),地區(qū)規(guī)用來(lái)檢驗(yàn)校對(duì)規(guī),校對(duì)規(guī)檢驗(yàn)工作規(guī)以此類(lèi)推直至工作規(guī)檢驗(yàn)接頭螺紋,上一級(jí)塞規(guī)檢驗(yàn)下一級(jí)環(huán)規(guī),上一級(jí)環(huán)規(guī)檢驗(yàn)下一級(jí)塞規(guī),檢查的項(xiàng)目是傳遞緊密距。
蘇州斯托茨機(jī)電設(shè)備有限公司專(zhuān)業(yè)代理美國(guó)進(jìn)口螺紋量規(guī)、進(jìn)口LP塞規(guī)現(xiàn)貨、HBPV螺紋規(guī)、sharp Vee螺紋塞規(guī)、BCSG螺紋塞規(guī)、UNJF螺紋環(huán)規(guī),期待您的咨詢(xún)。
API working plug and API thread ring gages are manufactured to American Petroleum Institute (A.P.I) specifications and are used as the benchmark for calibration by the National Institute of Standards and Technology (NIST). The manufacturing process for our API plug and ring gages are licensed by the American Petroleum Institute (API) to Spec Q1, Spec 5B, Spec 7 & Spec 11B.
As an ISO 17025 accredited and ISO 9001 registered company we are always working to raise the bar in order to provide you with the highest quality products. Our API plug and ring gages are produced with only the highest quality tool steel hardened to Rockwell C60-63. Our special heat treat and cold treat process insures maximum gage stability. Each API plug and ring gage is then precision lapped to provide superior accuracy, optimum gage surface finish and longer wear life for the gage. Finally, they are inspected and certified in our state-of-the-art environmentally controlled laboratory insuring your API plug and ring gages provide unmatched quality, accuracy, stability, reliability and durability.
Our team of engineers has served on many different API gaging subcommittees with over 100 years of experience. We are here to assist you with any questions or special requirements you may have.