- UA 636 Exam
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Updated 2026
, 21 ft.
What length is steel pipe typically found in?
1/8"-12" by nominal ID
12"+ by OD
How do you identify the size of steel pipe?
Pvc: 100 F (pressure), 180 F (non pressure)
Cpvc 180 F @ 100 psig
What are the typical pvc and cpvc temperature and pressure ratings?
Lap joint flanges are used on piping equipped with lap joint stud ends or with lapped
pipe. These flanges slip over the pipe and are not welded or otherwise fastened to it,
bolting pressure is transmitted to the gasket by the pressure of the flange against the back
of the pipe lap
What is a lap joint flange and what is it used for?
Orifice flange
What type of flange do we use to measure flow?