<\/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>保證良好的質量和性能問題<\/span>,<\/span>按照一定的質量要求生產和檢驗<\/span>,<\/span>保證生產和使用的鋼板沒有質量問題； <\/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和使用中具有一定的技術要求和技術參數(shù)<\/span>,<\/span>按照一定的方式和方法生產和加工。<\/span><\/span><\/span>\r<\/p>\r\r相關推薦：<\/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>
在線咨詢 
