Coils Besides the standard coil, AKVA hot water coils are manufactured as ø 22 mm copper combs for flows of 20-200 l/min (capacity 50–500 kW) according to the customer’s dimensions. Structural pressure 10 bar.   MODEL CAPACITY  DIAMETER LENGTH  UNIT R UK FLOW 5210120 AKVA LK 35 90 kW 160 mm 750 mm NS 20  35 l/min 0000000 AKVA LK 45 120 kW 160 mm 950 mm NS 20 45 l/min 5210125 AKVA LK 60 150 kW 160 mm 1250 mm NS 25 60 l/min 5210130 AKVA LK 80 205 kW 250 mm 900 mm NS 32 80 l/min 5210135 AKVA LK 100 255 kW 300 mm 1000 mm NS 40 100 l/min 5210140 AKVA LK 120 310 kW 300 mm 1100 mm NS 50 120 l/min