This standard specifies the structural type and series dimensions of the outer head cover side flange (hereinafter referred to as "side flange") for floating head heat exchangers (including heat exchangers and condensers). This standard is applicable to the nominal pressure of 0.6 MPa~6.4 MPa and the working temperature of -40℃~450℃. This standard applies to corrosion allowance not greater than 3 mm.
GB/T 29465-2012 Referenced Document
JB/T 4700 Type and specification for pressure vessel flanges