DIN 28008 Tolerances for tubular heat exchangers*, 2010-02-01 Update
DIN 28180 Seamless steel tubes for tubular heat exchangers - Dimensions and materials
DIN 28181 Welded steel tubes for tubular heat exchangers - Dimensions and materials
DIN 28190 Floating head heat exchanger with welded floating head - Examples of design
DIN 28191:2009 history
2009DIN 28191:2009-09 Floating head heat exchanger with flanged floating head - Examples of design
2009DIN 28191:2009 Floating head heat exchanger with flanged floating head - Examples of design
1981DIN 28191:1981 Floating head heat exchanger with flanged floating head; number of passes: 2,4 and 8, tubes 25, square tube pitch 32; number and pattern of tubes, tie rods and slide rails