She's Having a Baby She's Having a Baby She's Having a Baby is a 1988 American romantic comedy film directed and written by John Hughes. The film portrays a young newlywed couple, Kristy and Jake Briggs played by Elizabeth McGovern and Kevin Bacon, who try to cope with married life and their parents' expectations. This film looks at the lives of Jefferson "Jake" (Kevin Bacon) and Kristy Briggs (Elizabeth McGovern), from their wedding day until the birth of their first child, mostly through Jake's eyes, with his voiceover commentaries and several imaginary scenes. Jake asks his best friend, Davis McDonald (Alec Baldwin) before the
Nominal Pipe Size ID and OD. For a given NPS, the OD stays fixed and the wall thickness increases with schedule. For a given schedule, the OD increases with NPS while the wall thickness stays constant or increases. Using equations and rules in ASME B31.3 Process Piping, it can be shown that pressure rating decreases with increasing NPS and constant schedule. Some specifications use pipe schedules called standard wall (STD), extra strong (XS), and double extra strong (XXS), although these actually belong to an older system called iron pipe size (IPS). The IPS number is the same as the NPS number. STD is