Examples of Air gap separation in a sentence
Air gap separation to be approved shall be at least twice the diameter of the supply pipe, measured vertically above the top rim of the vessel, but in no case less than one inch.
Where a domestic water service connection is provided to a pumping station, the water supply shall be protected by an approved backflow prevention device acceptable to the N.J.D.E.P. Air gap separation shall be used to prevent cross connections within the dry well and shall mean a physical break between a supply pipe and a receiving vessel.
Air gap separation means 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 overflow level rim of the receptacle, and shall be at least double the diameter of the supply pipe measured vertically above the flood level rim of the vessel, but in no case less than one inch.
Air gap separation to be approved shall be at least twice the diameter of the supply pipe, measured vertically above the top rim of the receiving vessel, but in no case less than one inch.
Air gap separation may be used to protect against backflow caused by back pressure or back siphonage and to protect a public water supply system from substances which are hazardous to health and shall be approved for use only when installed in accordance with Uniform State Plumbing Code, 248 CMR 2.00.