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Module 6: Plastic pipe and fittings

Horizontales
Removes small burrs that result when you cut pipe.
Used to fashion pipe to a beam or other metal structure
Used to cut PEX tubing and sch 40 CPVC
Required when installing pipe in a seismically active area
The maximum number of feet between vertical hangers for PVC pipe
New techniques that involve this for joining PE are becoming popular because they require less training
A valve with a wedge shaped or tapered disc that fits into a smooth-ground surface or seat with the same shape
These are based on codes or ordinances and must be followed
To bevel the edge of the pipe to a 45 degree angle
A valve that controls the flow of liquid with a movable spindle, which lowers to restrict flow through the valve opening
The maximum number of feet between horizontal hangers for steel pipe
Verticales
Used to soften the pipe, before solvent cementing
A valve that consists of a ball with a hole bored through its diameter, mounted on a spindle. requires a quarter turn to activate the valve
When the fit gets tighter as the pipe is pushed into a fitting socket
Must be calibrated regularly
An auttomatic valve that permits the flow of liquid in one direction only.
Used to connect two dissimilar pipes. also known as an adapter fitting
Mechanically connects two pipes, usually at a termination downstream of a service valve
A measurement that describes pipe wall thickness
An extreme change in water pressure within a pipe that can cause a loud, banging sound and even damage the system