Vacuum breaker definition

Vacuum breaker means "backflow preventer" as defined by this administrative regulation.

Vacuum breaker means a device that will prevent backflow when pressure in the system upstream of the device falls below atmospheric pressure. Air is only admitted downstream of the device;

Vacuum breaker means a device used to equalize the pressure of the vapor space across the floating roof deck as the deck is either being landed on or floated off its legs.

Examples of Vacuum breaker in a sentence

• Residential system $23.10 Non-residential system $64.40 Vacuum breaker or backflow prevention device.

• Control: Individual push button for vacuum system, Gas Puncture, Vacuum breaker and heating with Digital PID controller10.

• Vacuum breaker must be installed with the supply connected to the bot- tom and the outlet connected to the appliance, as shown below: supply valve not less than 6” (CIL) overflow or flood rim fixture or appliance 4.

• Backflow preventer – OptionalRequired for Commonwealth of Massachusetts Vacuum breaker – OptionalRequired for Commonwealth of MassachusettsFigure 1Domestic Water PipingPipe Relief Valve Discharge to within 6" of floor, see Section III Notes.

• The Vacuum breaker shall be complete with surge arrestors to provide protection to the equipment controlled by the breaker, especially motors, against switching surges.

More Definitions of Vacuum breaker

Vacuum breaker means a device that permits entrance check of air into the water supply distribution line to prevent backsiphonage.

Vacuum breaker means a device that permits entrance of air into the potable water supply distribution line to prevent backsiphonage.

Vacuum breaker means backflow preventer.

Vacuum breaker means a device used to equalize the pressure of the vapor space across the floating roof deck as the deck is either being landed on or floated off its legs.*[A vacuum breaker consists of a well with a cover. Attached to the underside of the cover is a guided leg long enough to contact the tank bottom as the floating roof is being landed. When in contact with the tank bottom, the guide leg mechanically lifts the cover off the well.]*

Vacuum breaker means "backflow preventer" as defined by this administrative regu- lation.

Vacuum breaker means a device designed and constructed to automatically relieve the vacuum in an irrigation pipeline.

Vacuum breaker means a device or a method that prevents back- siphonage in a water distribution system;