Shell Length for Internal/External Pressure
When designing a cylindrical shell for internal pressure, the basic variables needed are the diameter, pressure, material allowable stress, and weld efficiency. The length of the shell is not a…
Tag: design
The Importance of a “Clean” Field Project Mobilization – #METALMARKETUPDATE (August, 2023)
The Importance of a “Clean” Field Project Mobilization – Ward has been in business for over 40 years. During that time, we have learned that the combination of our tools…
Seismic Design
Similar to our discussion of wind design last month, seismic forces should be considered in pressure vessel design. Earthquakes are rare, but if not properly accounted for, a pressure vessel…
Wind Design
UG-22 of Section VIII says that vessel designers must account for any and all expected loads on a vessel, in addition to the internal and external pressure loadings you might…
Specialty Field Machining
Field Machining at a Theme Park for a New Ride! Ward was called on to help a well-known theme park with the installation of a new ride. Proper operation of…
Dimensional Tolerances
The ASME code has surprisingly few dimensional tolerances. In fact, in section U-5, the Code states that tolerances are not fully addressed, and allowable tolerances should be based on engineering…
