... ,TP2,1Cr18Ni9Ti,T2,Fe Size: Inner diameter 28-108, NO. of fins:16-32 medium: 1. water/gas 2. wat/oil 3 ... reduce the volume of heat exchanger. It is very suitable for clean heat exchanging medium and medium of low viscosity.Material ... : AF21,TP2,1Cr18Ni9Ti,T2,Fe Size: Inner diameterΦ28~Φ108, number of fins: 16~32 Applicable medium ...