iglu Inuit 6I, Installation Manual

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55

Put a flare nut slightly into the pipe and modify the flare.
Outer diameter
[D(mm)]
Depth [A (mm)]
Flaring Size [B
(mm)]
ø 6.35 1.3 8.7~9.1
ø 9.52 1.8 12.8~13.2
ø 12.70 2.0 16.2~16.6
ø 15.88 2.2 19.3~19.7
ø 19.05 2.2 23.6~24.0

Check that you flared the pipe correctly. The below figures show some examples of incorrectly flared pipes.

Align the pipes to connect them easily. Tighten the flare nuts first with your hands, and then with a torque wrench,
applying the following torque:

Excessive torque can be the cause of gas leakage.

You must purge with oxygen-free nitrogen while brazing.
Outer diameter
[mm(inch)]
Torque (N•m)
ø 6.35 14~18
ø 9.52 34~42
ø 12.70 49~61
ø 15.88 68~82
ø 19.05 100~120