What additional design requirement needs to be specified to a fully-threaded, stud-bolt, ASTM F468M UNS N06625 Gr1 with ISO metric coarse thread so that its design is suitable for use as bolting for a pressure containing flange? Reason is F468(M)’s title is “General Purpose” fasteners and for...
What correction should be applied to the "fraction of gasket load remaining after relaxation" factor when performing target bolt stress calculations per ASME PCC1 App O Combined Component method for a flanged connection that has a sandwiched plate with one gasket on both sides? For example a...
An existing BEU heater is being re-purposed.
* The tubeside fluid will change from hydrocarbon gas to liquid hydrocarbon.
* Either the existing U-tube-bundle will be plugged with mechanical plugs (20% of tubes) or a new U-tube bundle will be procured. Either way, there will be the same number...
An existing BEU type heat exchanger, 1200 mm ID (~47") and weighing 10,000 kg (~20K pounds), needs to be removed from an offshore oil rig and brought to a workshop on land so that the tube bundle, weighing 5700 kg and 2000mm long, can be replaced. The reason this scope cannot be performed on the...
