Cutting or flaring a pipe
1 . Check that all the required tools are prepared .
f
f
Pipe cutter, flaring tool, reamer, die, etc .
2 . Use the pipe cutter to cut the pipe and make sure that the cut edge remains at 90° angle with the edge of the pipe .
f
f
When cutting the pipe, make sure that the cut edge is not oblique, rough, or burred .
90°
Oblique
Rough
Burr
3 . To prevent a gas leak, remove all burrs at the cut edge of the pipe using a reamer or trim the rough part with a pipe
cutting tool .
4 . Carry out the flaring work with a flaring tool .
A
Die
Pipe
Yoke
Die
Pipe
Flare nut
Clutch type
Wing nut type
[Flaring tools]
Pipe diameter (D, mm)
Depth of flaring part (A, mm)
Using flaring tool for
R-410A
Using conventional flaring tool
Clutch type
Wing nut type
6 .35
0 ~ 0 .5
1 .0 ~ 1 .5
1 .5 ~ 2 .0
9 .52
0 ~ 0 .5
1 .0 ~ 1 .5
1 .5 ~ 2 .0
12 .70
0 ~ 0 .5
1 .0 ~ 1 .5
1 .5 ~ 2 .0
15 .88
0 ~ 0 .5
1 .0 ~ 1 .5
1 .5 ~ 2 .0
5 . Check that the flaring shape is correct .
f
f
When carrying out the flaring work, make sure the flaring part is not inclined, damaged, cracked or uneven .
Uneven Thickness
Cracked
Damaged Surface
Inclined
Correct
ENGLISH-10
DVM SUPER_IM_05684A-00_EN.indd 10
2016-04-01 오전 9:00:53
