ASME Code Part UHX and TEMA
Part UHX of the ASME code includes design, fabrication, and inspection rules for shell and tube exchangers. Any parts of UHX that apply to a certain exchanger must be followed…
Tag: heat transfer
#METALMARKETUPDATE – AUGUST ’23
The ISM Manufacturing Index (PMI) edged higher to 46.4 in July 2023 from a nearly three-year low of 46 in June, but below market expectations of 46.8. The reading pointed…
#METALMARKETUPDATE – JULY ’23
The ISM Manufacturing Index (PMI) fell to 46 in June 2023, from 46.9 in May. The reading pointed to a faster rate of contraction in the manufacturing sector since May…
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…
#METALMARKETUPDATE – JUNE ’23
The ISM Manufacturing Index (PMI) fell to 46.9 in May 2023 from 47.1 in April. The reading indicated a seventh consecutive month of contraction in the manufacturing sector, as companies…
Heat Exchanger Fouling
Over time in service, deposits typically build up on the surface of tubes in a heat exchanger. This buildup is known as fouling and can occur on the inside or outside…
