上展式卸料閥應(yīng)用規(guī)范Application of Norms 1:閥門的設(shè)計與制造按GB/T 12235-89標準 1:The design and manufacture of standard criteria according to GB 12235-89 2:結(jié)構(gòu)長度按企業(yè)標準 2:The structure by the length of the standard enterprise standard 3:連接法蘭按JB/T79-1994的規(guī)定 3:The connection flanges standard criteria by JB79-1994 4:驗試與檢驗按JB/T 9092-1999的規(guī)定 4:Test and test according to GB JB/T 9092-1999 Standard