air break


Also found in: Acronyms.

air break

In a drainage system, a piping arrangement in which a drain from an appliance, device, or fixture discharges into the open air and then into another fixture, receptacle, or interceptor; used to prevent back siphonage or backflow.
References in periodicals archive ?
Later in the spring, influxes of northern air break the vortex apart and return the Antarctic stratosphere to more normal conditions.
Tenders are invited for Power Contactor, Triple Pole Air Break Power Contactor Back Side Fitting And Mounting Arrangement And Fitting And Mounting Dimensions Are Exactly Same As Siemens Make, Rated Current 110 Amp At 415 Vac, Ac3 Duty, Coil Voltage-110 Ac, Auxilary Contacts 2No 2Nc.
Tenders are invited for Power Contactor, Triple Pole Air Break Power Contactor, Back Side Fitting And Mounting Arrangement And Fitting And Mounting Dimensions Are Exactly Same As Siemens Make, Rated Current 32 Amp At 415 Vac, Ac3 Duty, Coil Voltage-110 Ac, Auxilary Contacts 2No 2Nc.
Tenders are invited for Air Break Contractor 110 Vac 3F/3B, 32A Siemens Make L And T, Bch, 3Tf3400.
11KV 200 Amp Air Break Switch conforming to IS 9921/1985 15