Back vent

back vent

[′bak ‚vent]
(civil engineering)
An individual vent for a plumbing fixture located on the downstream (sewer) side of a trap to protect the trap against siphonage.

Back vent

A pipe for ventilating purposes, attached to a waste pipe on the sewer side of its trap to prevent the siphoning of waste.

back vent

back vent
An individual vent for a plumbing fixture located on the downstream (sewer) side of a trap, 1 to protect the trap against siphonage.
References in periodicals archive ?
By using of transmission move mechanism, we transferred probe toward the direction of wind in the tunnel from the front vent to the back vent in the pharynx of the model.
Slim peaked lapels and double back vent details sit alongside more understated double breasted and single-breasted styles.
It can be installed upstream of the feed throat and be used as a back vent for pellet feedstocks.
It looks like someone has poured petrol through the back vent and started the fire.
Apple shapes should avoid this season's popular belted style as it will cut right across your problem area - you're better off looking for something figured with a back vent.
It has a slim silhouette with a structured shoulder and a single back vent and comes with narrow flat front trousers.
The Fenwick fashion floor alone has five styles worth checking out this spring ( a satin square neck, cap sleeve with a deep back vent from Coast for pounds 110; a silk georgette number with silk satin trim, a cross over bodice and full skirt by Phase Eight for pounds 150; a sleeveless shift in virgin wool by LK Bennett for pounds 119; a polyester, sleeveless panel detail by Sticky Fingers for pounds 79 and a silk georgette spaghetti strap with cream silk lining by Warehouse for pounds 85.
The style is straight, ankle length and simple with just a couple of pockets and a back vent.
Ray Romano, nominated for Favorite Actor in a Musical or Comedy Series, will wear a one-button peak lapel super 150's wool tuxedo with a back vent and side satin stripe detail on the trouser paired with a white tuxedo shirt, black silk satin vest and matching tie.
Durable nylon and hollofill overalls and raingear: A quilted, insulated bib overall in FedEx navy with a reflective strip around the legs; 100% nylon FedEx navy rain jacket and pants feature a three-inch reflective trim across the chest and back, back vent and attached hood.
Mark Harmon, presenter and currently starring in "Chicago Hope," will wear a one button, notched lapel super 150's wool tuxedo with a center back vent and single pleat pants with a satin side stripe and a white yoke pique tuxedo shirt with a straight point collar and a black satin vest.
Steve Harris, nominated for Best Supporting Actor in a Drama Series for his role in "The Practice," will wear a double breasted super 150's wool tuxedo with a center back vent and single pleat pants with a white cotton dress shirt and a black silk satin tie.