Plumbing Flashcards
Operates by compression
Compression Cock
Operates with a round tapering
Key cock
constructed with a ball connected to a handle
Ball faucet
A knocking in the pipes caused when
faucets in the lower
Water Hammer
the flowing back of used
Back siphonage
water is confined within a system with low temperature
Hot water space heating system
Not a closed system which operates on much higher temperature
Hot water supply system
Used for hot water space heating system
System relief valve
a water supply pipe extending vertically to one full story
Riser
the water supply pipe between the fixture supply pipe
Fixture Branch
used for controls, isolation and repair of the water distribution system
Controls and Valves
Water is provided by the city water
companies
Upfeed system
water is pumped into a large tank
downfeed (overheadfeed) or gravity system
pipe from the street water main
Service Pipe
device used to measure in liters
Water meter
the principal water distribution
Horizontal Supply Main
types of pumps
The piston pumps
The Centrifugal pumps
is associated with tall building water distribution systems
Centrifugal pump
is used on a small water distribution
Piston pump
is used to completely close, or completely open the line
Gate Valve
Receptacles which are used to provide, and discharge water
Plumbing Fixtures
flushes through a simple wash down action
Wash Down
flushes through a siphon action
Reverse Trap
Water passed through layers
Filtration
Spraying the water into the atmosphere
Aeration
addition of coagulants, such as ferrous
Coagulation and precipitation
water is passed through basins
Sedimentation
water is injected with hypo-chlorite or chlorine
Chlorination
water is sucked into a sealed vacuum
Piston pumps
Water is drawn into the pump and discharge
Centrifugal Pumps
piston pumps that operate with controlled speed
Reciprocating Pumps
are centrifugal pumps typically used for drawing water
Jet pumps
are piston pumps that make use of pump driver
Rotary pumps
designed to be fully immersible
Submersible Pumps
are used in application where excess
Sump pumps
used for large applications
Turbine pumps
does not have pressure concerns
Overhead Tanks
Usually built for reinforced concrete underground
Cisterns
used mainly to completely close or completely open the water line
Gate Valve
controls the flow of water with a mo able spindle
Globe Valve
Main function is to prevent reversal of flow
Check Valve
Operates in the same manner as globe valve
Angle Valve
located at the lower end of the pumps
Foot Valve
Used on water system, heating systems
Safety Valve
Is a device used to measure the amount of water that passes through the water service
Water meter
is controlling stop of the entire water supply building
Meter stop
is installed between the curb an the sidewalk line
Curb Stop
is inserted into the water main
Corporation stop
is used on cold water systems, heating systems, compressed airlines
Safety valve
is located at the lower end of the pump used to prevent priming the pump
Foot Valve
Operates in the same manner as the globe valve
Angle Valve
