Test Your Code Knowledge – Volume 3.9

TOPIC: BPV Section VIII Div 1 – UG-36 & UG-45


Question 1: In  complying with the requirements of UG-36 & UG-45 in Section VIII, Division 1, may elliptical or obround shaped nozzle necks be used in the construction of a pressure vessel?

Question 2: Are such nozzle necks described in Question 1 permitted on vessels designed for full vacuum?

Question 3: Shall U-2(g) be used for determining the required neck thickness for elliptical or obround nozzles designed for internal or external pressure, since rules are not explicitly provided in Section VIII, Division 1?