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Module 9 - Steel Pipe and Fittings

Horizontales
A type of valve that provides positive, quick flow control on gas piping systems
Vertical pipe should be supported at each floor level using " "
Use this after cutting pipe to remove the burrs from the pipe ends
A fitting that connects four lengths of pipe in a cross-like shape in a distribution system
Component of hand threaders or power threaders that holds the die
The lenght of pipe that gets screwed into the fitting
Pipe threads produce a pressure-tight connection
A device used in elevated pressure systems to reduce the gas pressure before the pipe outlet or before the unit being served with gas
A fitting meant to isolate two dissimilar metals so as not to cause electrolysis
Used to hold chrome-plated or other types of "finished" pipe
Verticales
Flexible stainless steel tubing encased in a polyethylene plastic used as an alternative to rigid gas pipe
Most residential, commercial and industrial gas systems operate at a pressure of " " of water column
" " valves are recommended for general service on steam, water, gas and oil, where frequent and precise contro;l of flow are required
An industry standard measurement of the weight or strength of steel pipe, also referred to as sch. 80
The best suited valve for terminations on main supply lines and pump lines
Is manufactured in 21' lenghts
Short length of pipe with threads at each end, used to make extensions from a fitting or to join two fittings
Improper " " can cause joints to sag, and the added stress increases the risk that the pipe will leak, break or crack
Used to cut the threads on steel pipe
Used to close openings in pipe (think testing)