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Table 5-16 New VAM (Vallourec, VAM PTS, Sumitomo)
Pin Box
Metric English Metric English
Stab Flank Angle
+10°
Load Flank Angle
+3°
Thread Height 1.016 mm 0.040 in. 1.016 mm 0.040 in.
Nominal Lead 3.175 mm (0.125 in.) for 60.32 mm (2.375 in.),
73.02 mm (2.875 in.)
4.233 mm (0.167 in.) for 88.90 mm (3.500 in.),
101.60 mm (4.000 in.), 114.30 mm (4.500 in.)
5.080 mm (0.200 in.) for 125.00 mm (5.000 in.) and
higher
Pitch Same as taper
Nominal Taper (Diameter) 0.0625
Type Threaded and coupled
Primary Seal Metal-to-metal (10% taper on diameter for casing,
30° chamfer for tubing)
Location of Torque Shoulder
End of pin, 15° casing, 20° tubing
Class 3-2
Available Sizes 60.32 mm (2.375 in.)-339.72 mm (13.375 in.)
Comments
Figure 5-13 New VAM
5-28 Casing/Tubing Design Manual
October 2005