VAM Book - VAM Services
VAM Book - VAM Services
VAM Book - VAM Services
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2.9.4.7.2 Mixing grades <strong>VAM</strong> TOP tubing<br />
When mixing grades maximum 30 ksi and with the same weight take the smallest<br />
grade torques.<br />
Errata<br />
Torques<br />
Connection #1<br />
Connection #2<br />
New torque<br />
values<br />
Torques<br />
Connection #1<br />
Connection #2<br />
New torque<br />
values<br />
Connection #1<br />
Overlap<br />
Connection #2<br />
Theoretical example:<br />
Min 1 Opt 1 Max 1<br />
-10% +10%<br />
Min 1 Opt 1 Max 1<br />
-10% +10%<br />
Min 2 Opt 2 Max 2<br />
-10% +10%<br />
*New Opt= Max 1<br />
Connection 3 1/2" 9,20# L80 <strong>VAM</strong> TOP Connection 3 1/2" 9,20# P110 <strong>VAM</strong> TOP<br />
Overlap<br />
Numerical example:<br />
2610 2900 3190<br />
-10% +10%<br />
2610 2900 3190<br />
-10% +10%<br />
2860 3170 3480<br />
-10% +10%<br />
*New Opt= Max 1<br />
24 th August 2011 xviii
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