Also found in: Acronyms, Wikipedia.

wet-alarm valve

A valve that (a) permits the flow of water into a wet-pipe sprinkler system, (b) prevents the reverse flow of water, and (c) incorporates provisions for actuating an alarm under specified flow conditions.
References in periodicals archive ?
Such chickens are screened for known pathogens, including two exogenous avian retroviruses: reticuloendotheliosis virus and ALV (8).
The ALV journal has appeared with encouraging regularity since its inception.
It is unprecedented for a vehicle to win the ALV award for four years in a row," said Nina Russin, founder Active Lifestyle Vehicle program.
Also new as part of ALV this year, XPEL Technologies is sponsoring the Denise McCluggage Memorial Scholarship to be presented to an outstanding student of automotive engineering or design.
Many copies of partial or complete ALV genomes were located in chicken DNA (1).
The ALV awards are the only annual vehicle awards in which active, outdoor enthusiasts choose the winners, along with a small contingent of automotive journalists who accompany them in the ride-and-drive tests.
this year's ALV event included 28 finalist vehicles vying for recognition from the ALV awards jury, which consisted of more than two dozen members of the media and seventy athletes who participate in cycling, triathlon, kayaking, softball and running.
Next year's ALV X-1 flight is part of ATK's plan to develop a low-cost launch vehicle for the operational responsive space (ORS) market.
NYSE: ALV )(STO: ALIV), the worldwide leader in automotive safety, has set May 6, 2008 as the date for the Annual General Meeting of Stockholders to be held in Chicago, IL, USA.
NYSE: ALV and SSE: ALIV) - the worldwide leader in automotive safety systems - today announced details for the issuance and sale of $400 million of guaranteed senior notes by Autoliv Inc's principal US operating subsidiary, Autoliv ASP Inc.
The company's shares are listed on the New York Stock Exchange (NYSE: ALV), its Swedish Depositary Receipts on the Stockholm Stock Exchange (SSE: ALIV) and its stock options on the Chicago Board Options Exchange (CBOE: ALV.
STOCKHOLM, Sweden -- Autoliv (NYSE: ALV and SSE: ALIV) today filed its Form 10-K which includes the Company's 2006 annual report with the Securities and Exchange Commission.