PHEP 8 Flashcards
Pipe w/ less than 12 in diameter is designated by its
Nominal inner diameter
Which type of pipe is least affected by corrosion
Stainless Steel
Most distinguishing feature of pipe thread
Shape/Thread profile???
Female end pipe used for joining pipe lengths
Coupling
Pipe fitting used to lengthen of pipe to permit that also provides easy line openings?
Union
What is the purpose of pipe support
Prevent Metal Fatigue
Provide drainage
Provide rigidity
What gasket material is used on flanges on low pressure cold systems?
Rubber
Best strainer when frequent cleaning is needed?
Duplex Strainer
Plastic lined pipe should not carry what?
Oils
Why are Most pipes are coated w/ paint, galvanization or insulation
To prevent corrosion, condensation & heat loss
How are pipes between different subsystems differentiated?
Pipes are often color coded.
Pipe systems should follow who’s guidelines
ASCPP
What kind Strainers that can automatically clean itself?
Self-cleaning Strainers
Lines that reduce wear and make large valves easier to open
Pressure Equalizing Lines
Line used to control concentration of impurities of a pressure vessel
Blowdown Line
