Firefighter I Flash Cards

Front

Gravity System

Back

Means of delivering water to a treatment plant using gravity (source must be 100ft / 30 M above to create proper elevation pressure)

Front

Direct Pumping System

Back

Creating pressure with a pump to deliver water using 1+ pumps

Front

Combination System

Back

Uses both pumps & elevation to provide adequate pressure. When supply is greater than demand, excess goes to storage tanks.

Front

Water Main

Back

Principal pipe in a system of pipes for conveying water, especially one installed underground

Front

Gate Valve

Back

Isolation type control valve w/ solid plate operated by a handle & screw mechanism. Rotating the handle moves the plate into or out of the waterway

Front

Butterfly Valve

Back

Isolation type control valve that uses flat circular plate in a pipe that rotates 90 degrees across the cross section of the pipe to control the flow of water

Front

Post indicator Valve (PIV)

Back

controls underground water mains that provides a visual means for indication open or shut ; found on the supply main of installed fire protection systems

Front

Outside Stem and Yoke (OS&UY) valve

Back

Control valve for a sprinkler system in which the position of the center screw indicates whether the valve is open or closed

Front

Flowmeter

Back

Mechanical device in discharge line that senses the amount of water flowing & provides a readout in gallons/minute

Front

Backflow preventer

Back

Check Valve that prevents water from flowing back into the system and contaminating it.