floating head heat exchanger with welded floating head; number of passes : 2, tubes 25, square tube pitch 32; number and pattern of tubes, tie rods and slide rails 带焊接浮动头的热交换器.通路数2,管25,方形管心
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 带法兰盘浮动头的热交换器.通路数24和8,管25,方