NBBI Pressure Equipment Inspector (PEI) study materials
NBBI Pressure Equipment Inspector (PEI) study resources

NBBI Pressure Equipment Inspector (PEI) case studies

NBBI Pressure Equipment Inspector (PEI) · Put your knowledge to work in context.

The Pressure Equipment Inspector (PEI) credential appears in the National Board of Boiler and Pressure Vessel Inspectors' credentials family, alongside Certified Individuals and Commissioned Inspectors. The National Board is the body behind the NBIC and the accreditation marks (NR, R, T/O, VR) tied to repairs, registration, and pressure relief device work, so PEI content sits squarely in that code-and-conformance world. The NBBI Pressure Equipment Inspector (PEI) case studies are 5 cases and about 2,551 words.

1

Bypassed Low-Water Cutoff and Tube-Sheet Grooving on a Hospital-Laundry Boiler

During the required annual internal inspection of a 200-hp, 150-psig saturated-steam firetube boiler at a commercial laundry, the commissioned inspector finds two problems. The low-water fuel cutoff has been bypassed with a jumper wire across its switch terminals; the boiler is currently steaming and the bypass is not tagged.

506 words, about 3 min
2

Adding a New Drain Nozzle to a Registered Air Receiver

An R-stamp holder is asked to modify a 1995 ASME Section VIII Division 1 air receiver in a manufacturing plant. The vessel is 42 in.

470 words, about 2 min
3

Weld Buildup on a Corroded Propane Vessel Without PWHT

A vertical ASME Section VIII Division 1 pressure vessel stores propane at ambient temperature. The shell is SA-516 Gr.

557 words, about 3 min
4

New Air Receiver With a Blank National Board Registration Number

A plant receives a new 500-gallon ASME Section VIII Division 1 air receiver from a manufacturer. The nameplate shows MAWP 200 psig at 650°F, year 2024, and the National Board 'NB' mark, but the space for the National Board registration number is blank.

477 words, about 2 min
5

Safety Valve Repaired by an Unaccredited Shop and Set Above MAWP

A 150-psig steam boiler in a food plant has two safety valves. 1 valve is set at 150 psig and has a current capacity certification.

541 words, about 3 min