EN
29
Flaring
• Firmly hold copper pipe in a die (bar) in the dimension shown in the table below.
Fig. 9:
Flaring
Tightening the connection
• Align the centre of the pipes.
• Sufficiently tighten the flare nuts with your fingers, and then tighten them with a spanner and torque wrench as shown.
Fig. 10:
Tightening the connection
Warning!
Excessive torque can break the nut depending on installation conditions.
A [mm]
Outer diameter
Max.
Min.
1/4’’ (Ф6.35 mm)
1,3
0,7
3/8’’ (Ф9.52 mm)
1,6
1,0
Outer diameter
Rated tightening torque [Nm]
1/4’’ (Ф6.35 mm)
16
3/8’’ (Ф9.52 mm)
26
