definitions

Carmine Ribaudo
Flashcards by Carmine Ribaudo , updated more than 1 year ago
Carmine Ribaudo
Created by Carmine Ribaudo over 8 years ago
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Description

plumbing code Flashcards on definitions, created by Carmine Ribaudo on 06/27/2013.

Resource summary

Question Answer
air break (drainage system) a piping arrangement in which a drain from a fixture, appliance, or device discharges threw an air beak into a fixture, receptacle, or interceptor at a point above the flood level rim of the receptacle
air gap (water distribution systems) the unobstructed vertical distance through the free atmosphere between the lowest opening from any pipe or faucet supplying water to a tank, plumbing fixture, or other device and the flood level rim of the receptacle
backflow a flow of water or other liquids,mixtures, or substances into the distributing pipes of a potablr supply of water from any source or sources other than intended source
back-siphonage the flowing back of used, contaminated, or polluted water from a plumbing fixture or vessel into a water supply system due to negative pressure in such pipe.(see backflow) (if an open supply outlet in the system is in contact with contaminating material at the time the pressure becomes negitive, back-siphonage can draw contamination into the supply system. negitive pressure is any pressure thats less than atmospheric pressure, which is approximately 14.7 psi at sea level.)
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