Length Le for Conical Sections sketch (e) for external pressure
Values for calculation
Axial length of cone or conical section
Outside diameter at large end of conical section under consideration
Outside diameter at small end of conical section under consideration
Outside diameter at large end of conical section under consideration
Outside diameter at small end of conical section under consideration
E Eng-Calculations
DLs L c α DL r1 Dss Ds r2
Conical Sections sketch (e)
DLs
Dss Lc mm 250 DL mm 2600 Ds mm 2500 DLs mm 2650 Dss mm 2450
Outside radius at large end of conical section under consideration
Outside radius at small end of conical section under consideration
One-half of the included (apex) angle of the cone at the centerline of the head
Calculation
Equivalent length of conical head or Section between lines of support
Le = (r1 + r2 ⋅ ) ⋅ sin(α) + ⋅ ( ) = (50 + 50 ⋅ ) ⋅ sin(45) + ⋅ ( ) = 308.6mm r1 mm 50 r2 mm 50 α ° 45 Dss DLs Lc 2 DL + Ds DLs 2450 2650 250 2 2600 + 2500 2650