Glossary of Plumbing terms Flashcards
the physical separation between a waste pipe and an indirect waste receptor or device indirectly connected
air break
an unobstructed vertical distance through the free atmosphere between the outlet of a faucet and the flood level rim of the fixture or receptacle
air gap
a valve in which the inlet and outlet openings are at 90 degree angle to one another
angle valve
the flow of water or waste water in pipes in a reverse direction from that normally intended
backflow
a pressure within the sanitary drainage system or vent piping system that is greater than atmospheric pressure (>14.7 psi)
back pressure
the flowing by negative pressure of contaminated or polluted water from a plumbing fixture into a potable water system
back spiphonage
a device installed in piping to prevent the reverse flow of storm or sewage into the drainage system of their branches
backwater valve
a valve in which the flow of liquid is controlled by a rotating drilled ball that fits tightly against a resilient (flexible) seat in the valve body
ball valve
any group of two or more similar adjacent fixtures which discharge into a common horizontal waste or soil branch
battery of ifxtures
the end portion of a pipe which for a short distance is enlarged to receive the end of another pipe which may be of the same diameter for the purpose of making a joint
bell or hhub
a term that is synonymous with faucet, cock, plug, tap or spigot
bibb
a kind of fixture which is used for bathing the external genitals and posterior parts of the bidy
bidet
any part of the piping system other the main, riser or stack
branch
a vertical length of soil or waste stack at least eight feet in height (storey height) within the horizontal branches from one storey or floor of the building or structure are connected to the stack
branch interval
that part of the lowest horizontal piping of a plumbing system which receives the discharge from soil, waste and other drainage pipes inside a building and conveys it to the building sewer/ house sewer
building drain/ house drain
that part of the drainage system that extends from the end of the building drain and conveys its discharge to the public sewer, private sewer, individual sewage disposal system or other appropriate point of disposal
building/ house sewer
the first section of water supply piping in a building after the water meter
building supply pipe
plugging an opening with oakum, lead or other material that are pounded into the annular space. also, the material pounded into the annular space
caulking/calking/cogging
a non-watertight lined excavation in the ground which receives the discharge of sanitary drainage system or part thereof, designed to the organic matter and solids discharging there from, but permitting the liquid to seep through the sides and bottom
cesspool
a fitting with a removable plate or plug that is placed in plumbing drainage pipe lines to allow access to the pipes for the purpose of cleaning and maintenance
cleanout
part of the roofing and/or area gutter system that takes water from a roof above-surface area to a storm drain or the disposal area or system
conductor or leader
any physical connection or arrangement of pipes between two otherwise separate building water supply pipes or system through which or by means of which water supply may flow from one system to the other, the direction of flow depends on the pressure difference between the two systems
cross connection
the extended portion of a pipe that is closed one end to which no connections are made on the extended portion, thus permitting stagnation of waste water or air therein
deadend
the length along the center line of pipes and fittings
developed length
the nominal commercial designation, normally the inside diameter of the pipe unless otherwise specially stated in a particular plumbing code
diameter
the vertical portion of a rainwater conductor
downspout
any pipe which carries waste water or waterborne wastes in a building drainage system
drain
a common measure of the probable discharge into the drainage system by various types of plumbing fixtures on the basis of one of this being equal to a discharge rate of 7.5 gals. per minute or one cubic foot of water per minute
drainage fixture unit (dfu)
the abbreviation for drainage, waste, and vent
DWV
a valve on a water pipe means of which water can be drawn from or held within the pipe. the valve is placed on the end of the ipe
faucet
a receptacle attached to a plumbing system other than a trap in which water or wastes may be collected or obtained for ultimate into the plumbing system
fixture
the level in a fixture at which water begins to overflow the top or rim of the fixture
flood level
the volume of water used by a plumbing fixture in a given amount of time. usually expressed in gallons per minute (gpm)
flow rate
a device located at the bottom of a flush tank for flushing water closets and similar fixtures
flush valve
a device which discharges a predetermined quantity of water to fixtures for flushing purposes and is actuated by direct water pressure
flushometer valve
a bathroom containing a water closet, a lavatory and a bathtub
full bath
a valve in which the flow of water is cut off by means of a circular disk, fitting against machine-smoothed surfaces at right angles to the direction of flow. the disk is raised or lowered by means of a threaded stem connected to the handle of the valve. the opening in the valve is usually as large as the full bore of the pipe
gate alve
a valve in which the flow of water is cut off by means of circular disk that fits against the valve seat. the plane movement of the disk is parallel to the normal direction of flow ofd water, which is turned through a tortuous passage to direct the flow normal to the face of the dik
globe valve
a kind of return bend of small-sized faucet one enfd of which is about one foot long and the other end is about three inches. it is commonly used as a faucet for pantry sink and drinking fountain. also the lead connection between the service pipe and the water main. also a p-trap
gooseneck
a bathroom containing a water closet and a lavatory
half bath
a faucet to which a hose may be attached
hose bibb
a waste pipe the does not connect directly with the drainage system by conveys wastes by discharging into a plumbing fixture or receptacle, which is directly connected to the drainage system, e. g. refrigerator waste pipe, drinking fountain waste pipe, etc.
indirect waste pipe
a condition contrary to sanitary principles or injurious to health
insanitary
a fixture designed for washing of the hands and face
lavatory/ wash basin
the principal pipe to which the branches may be connecter
main
a vertical vent pipe installed primarily for the purpose of providing circulation of air to or from any part of the building drainage system
main vent/vent stack
an opening conduit or conductor, the wall thickness is sufficient to receive a standard pipe
pipe
the art and science of installing in buildings the pipes, fixtures and other apparatus for bringing in water supply and removing water and waterborne wastes
plumbing
a receptacle attached to a plumbing system other than a trap in which water or wastes may be collected or retained for ultimate discharge into the plumbing system
plumbing fixture/sanitary ware
all water supply drainage and venting systems and all fixtures and their traps complete with their connections
plumbing system
water that meets he standards of a government agency and is used for culinary, domestic, and drinking purposes
potable water
an outhouse or structure used for the deposition of excrement
privy
a p-shaped trap commonly used on most plumbing fixtures except for a fixture having integral trap
p-trap/ 1/2 s-trap/ gooseneck
a common sewer directly controlled by public authority to which all abutters have equal rights of connections
public sewer
a water supply pipe that extends vertically one full storey or more to convey water to fixture branches or group of fixtures
riser
the installation of parts of the plumbing system which can be completed prior to installation of fixtures of finishing. this includes drainage, water supply and vent piping and necessary fixture supports
roughing–in
a loosely lined excavation in the ground, which receives the discharge of a septic tank and designed to permit the effluent from the septic tank to seep through the bottom and sides of the pit
seepage pit/ cesspool/ dry well
a watertight receptacle which the discharge of sanitary plumbing system or part therof, designes and constructed to retain solids, digest organic matter through a period of detention and to allow the liquids to discharge into the soil outside of the tank through a system of open jointed subsurface pipings or a seepage pit
septic tank
any waste water containing animal or vegetable matter in suspension or solution and may include liquids containing chemicals in solution
sewage
a pipe or conduit for carrying sewage and wastewater
sewer
a suction created by the flow of liquids in pipes; a pressure less than the atmospheric pressure
siphonage
a pipe which carries the discharge toilets or similar fixtures; with or without the discharge of other fixtures to a sewer or approved drain
soil pipe
any pipe which conveys the discharge of water closet, urinal or fixtures having similar function with or without the discharges from other fixtures to the building drain or building sewer
soil stack
the end o fa pipe which fits into a bell; also word used synonymously with faucet
spigot
a general term used for any vertical line of soil waste or vent piping
stack
a tank or pit below the normal grade of gravity receivng liquid wastes or sewage from which the wastes or wemust e mechanically pumped to a higher receiving point
sump
a fitting or device and constructed to provide, when properly vented, a liquid seal which prevents backflow and passage of foul air and gases with our materially affecting the flow of sewage or waste water through it
trap
a pipe or opening used for ensuring the circulation of air in a plumbing system and for relieving the negative pressure exerted on trap seal
vent pipe
the vertical vent pipe installed primarily for providing circulation of air to and from any part of the soil, waste of the drainage system
vent stack/main vent
a pipe which conveys potable water from the building supply pipe to the plumbing fixtures and other outlets
water distributing pipe
a pipe which conveys only wastewater or liquid waste free of fecal matter
waste pipe
the water supply pipe provided by the water utility company where local individual connection are done
wate main
the first after the water main before the water meter
water service pipe
in a building consists of the water service pipe water supple line, water distributing pipes and the essential branch pipes walves and all other appurtenances for the suply of potable water
water supply system
a pipe connecting upward from a soil or waste stack below the floor and below the horizontal connection to an adjacent vent stack at a point above the floor and higher than the highest spill level of fixtures for preventing pressure changes in the stack
yoke vent
A special type of fitting or fitting utilized in the drainage system. Are similar to cast iron fittings, except that instead of having a bell or spigot, drainage fittings are recessed and tapped to eliminate ridges on the inside of the installed pipe
Drainage fittings
Is a pipe that makes an angle less than 45 degrees with the horizontal
Horizontal pipe
Is a pipe which makes an angle of 45 degrees or less with the vertical
Vertical pipe
A pipe fitting with a removable plug which provides access for inspection or cleaning of the pipe run
Access eye/ cleaning eye
