CONS - Plumbing Flashcards
the system of pipes, valves, fixtures, and other apparatus of a water supply or sewage system
Plumbing
a pipe from the street water main or other sources of water supply to the building served
Service Pipe
the principal water distribution pipe running from the water meter from which the various branches and risers to the fixtures are taken
Horizontal Supply Main
a water supply pipe extending vertically to one full story or more to convey water into pipe branches or plumbing fixtures
Riser
the water supply pipe between the fixture supply pipe and the water distributing pipe
Fixture Branch
used for control, isolation, and repair of the water distribution system
Controls & Valves
a type of water distribution system when water is provided by the city water companies using normal pressure from the public water main
Direct Upfeed System
a type of water distribution system used when pressure supplied by city water supply is inadequate; compressed air is used to raise and push water into the system; use of water pump
Air Pressure System (Pneumatic System)
a type of water distribution system wherein water is pumped into a large tank on top of the building and is distributed to the fixtures by means of gravity
Downfeed/Overhead Feed/Gravity System
the system of pipes, valves, fixtures, and other apparatus of a water supply or sewage system
Plumbing
a main pipe conduit through which a public or community water system conveys water to all service connections
Water Main
a valve controlling the flow of water or gas from a main to a service pipe
Corporation Stop
a control valve for shutting off the water supply to a building in case of an emergency. installed in a water service pipe
Curb Cock
a vertical enclosure with a removable cover providing access to a curb cock
Curb Box
any valve for shutting off the flow of water or gas from a supply pipe
Shutoff Valve
a device used to measure in liters or gallons the amount of water that passes through the water service
Water Meter
a loss of head or fluid pressure between two points of a pipe across a valve, due to hydraulic friction
Pressure Drop
system of pipes, valves, and fixtures for distributing and using water in a building
Water System
a device controlling the flow of a liquid from a pipe by opening or close an orifice
Faucet
the fluid pressure in a supply pipe at a faucet or other outlet while the faucet or outlet is wide open and water is flowing; expressed in psi (N/sqm)
Flow Pressure
a sievelike device for mixing air with the water flowing from the end of a faucet
Aerator
any device for controlling or stopping the flow of liquid or gas by a movable part that opens partially obstructs, or shuts a passage, pipe, inlet, or outlet
Valve
a shutoff valve closed by lowering a wedge-shaped gate across the passage
Gate Valve
a valve with a globular body, closed by a disk seating on an opening in an internal wall
Globe Valve
a valve permitting a liquid or gas to flow in one direction only
Check Valve
a globe valve having an outlet at a right angle to the toilet
Angle Valve
a valve typically used to regulate a fluid flowing through a section of pipe; a flat circular plate is positioned in the center of the pipe
Butterly Valve
a valve used mainly to prevent loss of priming of the pumps; aka “retention valve”
Foot Valve
used on water systems, heating systems, compressed air lines and other pipe lines with excessive pressure
Safety Valve
a type of faucet that operates by the compression of a soft packing upon a metal sheet
Compression Cock
a type of faucet that operates with a round tapering plug ground to fit a metal sheet
Key Cock
a type of faucet that is constructed with a ball connected to the handle
Ball Faucet
any of various receptacles for receiving water from a water system and discharging the liquid waste into a drainage system
Plumbing Fixture
a fixture consisting of a ceramic bowl with a detachable, hinged seat and lid and a device for flushing with water
Water Closet/Toilet
a flushable fixture used by men for urinating
Urinal
a toilet bowl having a simple washout action and emptying through a small, irregular passage; costs less but is least efficient and the noisiest
Wash-Down
a toilet bowl similar to the siphon-jet, but having a smaller water surface and trap way; trap located at the rear hence the term “reverse”
Reverse Trap
a toilet bowl in which the flushing water enters through the rim and siphonic action initiated by a water jet draws the contents of the bowl through the trap way; quieter flushing action, less likely to clog
Siphon Jet
a toilet bowl similar to the siphon jet but having the flushing water directed through the rim to create a vortex that scours the bowl
Siphon Vortex
a toilet bowl when a flushing action is obtained directly from a flush valve connected into the bowl
Direct Flush Valve
a system of pipes, traps, and other apparatus for conveying sewage, waste water, or rainwater to a public sewer or a private treatment facility
Drainage System
any pipe or channel by which a liquid is drawn off
Drain
any pipe carrying the discharge from plumbing fixtures other than water closets or urinals
Waste Pipe
system of pipes supplying a flow of air to or from a drainage system or providing circulation of air within the system to protect trap seals from siphonage and back pressure
Vent System
a u- or s-shaped section of the drainpipe in which liquid remains and forms a seal for preventing the passage of sewer gas without affecting the normal flow of wastewater or sewage through it
Trap
a vertical waste pipe or vent pipe serving a number of floors
Stack
any part of the piping system other than a main, riser or stack
Branch
the lowest part of a drainage system that receives the discharge from soil and waste stacks inside the walls of a building sewer
Building Drain/House Drain
a drain connecting to a public sewer or private treatment facility
Building Sewer/House Sewer
minimum slope or pitch of horizontal drainage pipe
2% or 20mm/m (1/4” per foot)
a hollow cylinder of metal or plastic used for the conveyance of water, steam, gas, or other fluid material
Pipe
a standard part, such as an elbow, union, or tee, for connecting two or more pipes
Pipe Fitting
a pipe fitting having an angled, usually 90 degrees bend
Elbow
an elbow having lugs for attachment to a wall or joist
Drop Elbow
a pipe fitting having a large radius of curvature
Sweep Fitting
a 180-degree bend in a pipe
Return Bend
a t-shaped pipe fitting for making a three-way joint
Tee
a tee having lugs for attachment to a wall or joist
Drop Tee
a tee having a slight curve in the 90-degree transition to channel the flow from a branch pipe in the direction of the main
Sanitary Tee
a y-shaped pipe fitting for joining a branch pipe with a main, usually at a 45-degree angle
Wye
a pipe fitting for making a four-way connection
Cross
a cross pipe having a slight curve in each of the 90-degree transitions to channel the flow from branch pipes in the direction of the main
Sanitary Cross
a u-shaped pipe for bypassing another pipe
Crossover
a short length of pipe with threads on each end, used for joining couplings or other pipe fittings
Nipple
a short length of pipe having each end threaded on the inside, used for joining two pipes of the same diameter
Coupling
a coupling device for connecting two pipes, neither of which can be turned, consisting of two internally threaded end pieces that are tightened around the pipe ends to be joined
Union
an externally threaded fitting for closing the end of a pipe
Plug
and internally threaded fitting for enclosing the end of a pipe
Cap
a tank installed between a kitchen sink and a house sewer for retaining and removing grease from waster water
Grease Trap
a covered watertight tank for receiving the discharge from a building sewer, separating out the solid organic matter, which is decomposed and purified by anaerobic bacteria, and allow the clarified liquid to discharge for final disposal
Septic Tank
a layer of sewage matter that rises to the surface of the sewage in a septic tank
Scum
sediment that settles out of sewage forming a semi-solid mass on the bottom of a septic tank
Sludge
liquid sewage that has been treated in a septic tank or a sewage treatment plant
Effluent
a chamber of large septic tank employing siphonic action to automatically discharge a large volume of effluent when a predetermined quantity has accumulated
Dosing Chamber
