<\/span>\r<\/p>\r\rHG20594-2009帶徑平焊法蘭加工方式<\/span><\/span><\/span>\r<\/p>\r\r1.生產(chǎn)平焊法蘭的鋼板應經(jīng)超聲波探傷<\/span>,<\/span>無分層缺陷<\/span>,<\/span>保證良好的質(zhì)量和性能問題<\/span>,<\/span>按照一定的質(zhì)量要求生產(chǎn)和檢驗<\/span>,<\/span>保證生產(chǎn)和使用的鋼板沒有質(zhì)量問題； <\/span><\/span><\/span>\r<\/p>\r\r2.應沿鋼材軋制方向切割成條狀<\/span>,<\/span>經(jīng)彎制對焊成圓環(huán)狀<\/span>,<\/span>并使鋼材的表面形成環(huán)的柱面<\/span>.<\/span>在生產(chǎn)對哈法蘭時不得采用鋼板直接機加工成帶頸法蘭<\/span>,<\/span>采用一定的工藝制作和加工；<\/span><\/span><\/span>\r<\/p>\r\r3.對焊法蘭的焊接需要采用一定焊接工藝<\/span>,<\/span>圓環(huán)的對接焊縫應采用全熔透焊縫；<\/span><\/span><\/span>\r<\/p>\r\rHG20594-2009帶徑平焊法蘭加工注意事項<\/span><\/span><\/span>\r<\/p>\r\r焊和對焊是和管道連接時的焊接方式,HG20594-2009<\/span>帶徑平焊法蘭焊接時只需單面焊接不需要焊接管道和法蘭連接的內(nèi)口<\/span>,<\/span>對焊法蘭的焊接安裝需要法蘭雙面焊。所以平焊法蘭一般用于低<\/span>,<\/span>中壓管道<\/span>,<\/span>對焊法蘭用于中<\/span>,<\/span>高壓管道的連接<\/span>,<\/span>對焊法蘭一般是至少<\/span>PN2.5Ppa,<\/span>采用對焊是為了減少應力集中<\/span>,<\/span>一般的對焊法蘭多為帶頸法蘭也叫奶嘴法蘭<\/span>. <\/span>所以對焊法蘭的安裝費<\/span>,<\/span>人工費和輔材費要高點<\/span>,<\/span>因為多一道工序。<\/span>HG20594-2009<\/span>帶徑平焊法蘭在生產(chǎn)和使用中具有一定的技術(shù)要求和技術(shù)參數(shù)<\/span>,<\/span>按照一定的方式和方法生產(chǎn)和加工。<\/span><\/span><\/span>\r<\/p>\r\r相關(guān)推薦：<\/span><\/span>\r<\/p>\r\r法蘭<\/span> <\/span>//www.fyflange.com<\/span> <\/span><\/span>\r<\/p>\r\r壓力容器法蘭 //www.fyflange.com<\/span><\/span> <\/span><\/span>\r<\/p>\r\r鍛件法蘭 //www.fyflange.com<\/span><\/span> <\/span><\/span>\r<\/p>\r\r<\/span>\r<\/p><\/div>
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