Brazed plate heat exchanger Bl26 n means number of plates Length (mm): 325 Width (mm): 111 Thickness (mm): 10+2.35n Weight (kg): 1.3+0.13n Channel volume (l): 0.025(n-2) Exchange area (m2): 0.026(n-2) Working pressure: 3.0mpa Testing pressure: 4.5mpa Working pressure: -160grc ~ 225grc