1
Fig. 40: Flanging the refrigerant piping
1: Flanging tool
Fig. 41: Correct flange shape
2
1
Fig. 42: Tightening the fitting
1: Tighten with the first open-ended spanner
2: Counter with the second open-ended spanner
Pipe dimension in
inches
Tightening torque in Nm
1/4"
15-20
3/8"
33-40
1/2"
50-60
5/8"
65-75
3/4"
95-105
33
