SiEN34-705
Installation
General Information
31
Important points
1. Burrs should be carefully removed.
2. 2 spanners should be used to grip the flare nuts.
3. The flare nut must be inserted before starting the flaring operation.
4. The appropriate amount of torque should be used to tighten the flare nut.
5. Check that there is no superficial damage to the surface of the flare.
Standard torques for tightening flare nut
±
10%
Size
Torque
(kgf-cm)
(N-cm)
1/4(6.4
φ
)
144~176
1420~1720
3/8(9.5
φ
)
333~407
3270~3990
1/2(12.7
φ
)
504~616
4950~6030
5/8(15.9
φ
)
630~770
6180~7540
3/4(19.1
φ
)
990~1210
9270~11860
