Waste and Vent - Nomenclature Flashcards Preview

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Flashcards in Waste and Vent - Nomenclature Deck (15)
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1

Backwater Valve

Prevents reverse flow in a drainage system

2

Cleanout

A fitting with a removable plug that provides access to the inside of the pipe for inspection and cleaning.

3

Closet Bend

Fitting used for transitioning from the closet flange to a horizontal trap arm.

4

Closet Flange

An adapter flange used for mounting a water closet.

5

DFU (Drainage Fixture Units)

An arbitrary unit of measure assigned to a plumbing fixture to determine waste water load.

6

Trap Arm

The portion of a fixture drain between a trap and the vent.

7

Tailpiece

Pipe or tubing that connects the outlet of a plumbing fixture to a trap.

8

P-Trap

The P-shaped fitting designed to provide a liquid seal that will prevent the back passage of air

9

Riser

Vertical pipe in a water distribution system and also waste and vent piping

10

Sand Interceptor

A device used to separate and retain sand and sediment from stormwater.

11

Stack

The vertical main/riser extending one or more stories in a DWV system

12

Sweep

A long radius elbow used for waste and storm piping.

13

Wye Branch Fitting

A 45 degree branch connection

14

Water Closet Carrier

In wall device which wall hung water closets mount above the ground.

15

Invert Elevation

The elevation of the bottom (flow line) of a pipe.