I have a design application that utilizes a lantern ring in a stuffing box with packing to seal a shaft that rotates in a reciprocating fashion. We are currently building a machine for a European customer and are required to use ISO (metric) thread profiles. Our standard design (imperial...
I know from having done PV code calcs that wall thickness is, in almost all cases, governed by hoop (circumferential) stress in thin wall cylindrical shells. In the case of ASME pressure vessel calcs, the hoop stress and longitudinal stresses are considered mutually exclusive and the wall...
I know from having done PV code calcs that wall thickness is, in almost all cases, governed by hoop (circumferential) stress in thin wall cylindrical shells. Can someone help me understand why longitudinal and circumferential stresses are treated as mutually exclusive and not additive?
I'm...
I have a need to machine a custom fitting for a Sect. VIII, div 1 vessel. The fitting will be similar to a socket weld coupling and welded to a vessel shell. I would normally use an SA-105 grade fitting for this but am looking to make the part from a readily available grade of carbon steel bar...
