7 ventilation system
Transcript of 7 ventilation system
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VENTILATIONThe process of supplying or removing air by natural or artificial means to or from any space, such air may or may have not been conditioned.
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VENTA pipe installed to provide a flow of air to and from a drainage system or to provide circulation of air within such system to protect the trap seal from siphonage and backpressure.
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VENT STACK, MAIN VENTA vertical vent pipe installed primarily for the purpose of providing circulation of air to or from any part of the building drainage system.
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STACK VENT, SOIL AND WASTE VENT
The extension to the open air of a soil or waste stack above the highest horizontal branch drain or fixture branch connected to the stack.
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INDIVIDUAL VENT/BACK VENT
Type of venting system where the vent connects with a single fixture trap, usually at the back and extends vertically and connects with a stack vent, a vent stack or branch vent.
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CIRCUIT VENTA branch vent which serves two or more traps and extends from in front of the last fixture connection of a horizontal branch to the vent stack. Circuit venting can be used when two or more fixtures, such as lavatories, are installed in a row. The circuit vent is connected to the waste drain line between the last two fixtures in the row. Then the circuit vent is connected to the main vent.
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LOOP VENTA VENT ARRANGEMENT FOR A GROUP OF PLUMBING FIXTURES, CONSIST OF A VENT PIPE WHICH IS CONNECTED TO THE WASTE OR SOIL BRANCH IMMEDIATELY BEFORE THE FIRST FIXTURE OF THE GROUP.
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LOOPED VENTA type of ventilation system used on fixtures in a room away from a wall or partition.
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