U20-3, U25-3 WSM General
I-14
(10)Washer-equipped elbow
Tightening torque
Tightening procedure
1. Connecting with the valve
• Screw in the elbow by hand until the
washer comes into contact.
Note: Clean up the mating seal beforehand.
2. Positioning
• Turn the elbow back to its set position.
Note: Do not make any more than one turn back.
3. Fixing
• Tighten up the lock nut with a wrench.
• Lock nut tightening torque
Size N·m kgf·m
G1/4 25 ~ 30 2.5 ~ 3.0
G3/8 49 ~ 54 5.0 ~ 5.5
G1/2 59 ~ 64 6.0 ~ 6.5
G1/8 15 ~ 16.5 1.5 ~ 1.7