Plate set, plate and heat exchanger device

The present disclosure relates to a plate for a heat exchanger device, the plate comprising a first portion with mutually parallel ridges and an adjacent second portion with mutually parallel ridges extending at an angle relative to the ridges of the first portion, the plate further comprising at least one transition ridge (60), the main body (61) is branched into two legs (62a, 62b). 本公开涉及一种用于换热器装置的板，所述板包括带有相互平行的脊部的第一部分以及带有相对于所述第一部分的脊部成角度延伸的相互平行的脊部的邻近的第二部分，所述板还包括至少一个过渡脊部(60)，其形成为分支成两个腿部(62a、62b)的主干(61)。