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COMMISSIONING
EXPEL THE AIR
Flaring
1.
Cut a pipe with a pipe cutter .
2.
Insert a flare nut into a pipe and flare the pipe.
90
lean
crude
Chart 33
3.
Remove the Cycle Service Panel and the Cover Board,
unscrewing the screws which secure it to the structure .
Cycle service panel
Cover board
Fasten the nut
•
Put the connecting tubing at the proper position, wrench the nuts with hands
then fasten it with a wrench . (Refer to Chart 37)
Caution
Too large torque will harm the bellmouthing and too small will cause leakage . Please
determine the torque according to table beside .
DUCTAIR II - 0808-E
Outside
diameter
Ø 6,4 mm
Ø 9,5 mm
Ø 2,7 mm
burr
Ø 5,9 mm
Ø 9, mm
Chart 35
Chart 37
A (mm)
Max
Min
8,7
8,3
2,4
2
5,8
5,4
9
8,6
23,3
22,9
4.
Remove the protection cover of stop valve .
Tubing
size
Ø 6,4 mm
Ø 9,5 mm
Ø 2,7 mm
Ø 5,9 mm
Ø 9, mm
Chart 34
Liquid valve
Gas valve
Chart 36
Torque
1420~1720N.cm
(144~176 kgf.cm)
32700~3990N.cm
(333~407 kgf.cm)
4950~6030N.cm
(504~616 kgf.cm)
61800~7540N.cm
(630~770 kgf.cm)
9720~11860N.cm
(990~1210 kgf.cm)
• •
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