Check valves are two-port valves, meaning they have two openings in the body, one for fluid to enter and the other for fluid to leave.

Check valves are often part of common household items.

Check valves work automatically and most are not controlled by a person or any external control ; accordingly, most do not have any valve handle or stem.

Check valves are often used with some types of pumps.

Check valves are used in many fluid systems such as those in chemical and power plants, and in many other industrial processes.

Check valves are also often used when multiple gases are mixed into one gas stream.

Check valves used in domestic heating systems to prevent vertical convection, especially in combination with solar thermal installations, also are called gravity brake.

* Check Valves Tutorial The operation, benefits, applications and selection of different designs, including lift, disc, swing and wafer check valves are explained in this tutorial

* Pilot controlled Check valves are one-way valve that can be opened ( for both directions ) by a foreign pressure signal.

Check digits and parity bits are special cases of checksums, appropriate for small blocks of data ( such as Social Security numbers, bank account numbers, computer words, single bytes, etc .).

The main features of this program are, Font Application, Spell Check, Grammar Check, Thesaurus, Autocorrect, Auto text, Web integration, HTML documentation etc.

Check that both ends are in the middle, emerging in opposite directions.

Check with your local DNR for limits, although common limits for white bass are 25 per day per person.

All kit cars are subject to a Vehicle Identity Check, VIC, by the DVLA to determine the registration mark a kit car is assigned.

Salvatore had attached the Democrats ’ campaign literature in a September 12 email to Deon that read, “ Check out the literature the Democrats are putting out about the SEPTA lot.

", " I Left My Wallet in El Segundo ", " Scenario ", " Check the Rhime ", " Jazz ( We've Got )", " Award Tour " and " Electric Relaxation " are regarded as classics by the hip hop community.

Check rails are often used on really sharp curves, even where there are no switches.

If there are no additional state restrictions, a firearm may be transferred to an individual upon approval by the National Instant Criminal Background Check System ( NICS ) maintained by the FBI.

* CIBC. com is now the first Canadian bank website to receive CNIB Site Check certification for providing barrier-free web access to people who are blind or have vision loss.

* Compliments Balance is a line of health-conscious products which are evaluated by the Heart and Stroke Foundation, based on Canada's Food Guide, and bear the Health Check symbol.

Two examples are " Reality Check " and the " Great American Culture Quiz ", in which O ' Reilly quizzes two Fox News colleagues ( usually Steve Doocy and Martha MacCallum ) on pop culture.

They had two music videos which are for their songs " Check Ya " and " Smack ", both of which can be viewed over on YouTube.

* WTHR-TV, Indianapolis & Bob Segall for " Reality Check: Where are the Jobs?

Other bicycles such as the Surly Travelers Check and the Santana Travel Tandem are full-sized bicycles which do not fold, but instead use Bicycle Torque Couplings to enable separating the frame into two parts for easier transport.

In addition, and most importantly, the Aqua-Lung could be mounted on stronger and reliable air tanks holding up to 200 atmospheres ,< ref > Cousteau quickly describes the two Aqua-Lung prototypes used to shoot the film Épaves in 1943 Check here, on minute 3 ' 55 < nowiki ></ nowiki >, when Cousteau mentions his cylinders ' highest pressure ( in French ).</ ref > allowing extension of diving duration to more than an hour at significant depths ( including the needed time for decompression stops ).

Trails may contain a " Beer Check ", where the pack stops to consume beer, water, or snacks, allowing any stragglers to catch up to the group.

For example, CFQC-TV in Saskatoon, Saskatchewan preceded each nightly newscast with " Color Check ", which began with the SMPTE color bars as an announcer identified the colors of the vertical bars encouraging viewers to adjust their TV color settings to make sure the colors were " well separated " and matched the description, after which a photograph ( later video footage ) of a woman's face was broadcast for a few moments, allowing viewers to adjust their TV color settings further.

FCS – The Frame Check Sequence enables a high level of physical error control by allowing the integrity of the transmitted frame data to be checked.

Gradually immigration officials in Mumbai stepped up their vigilance against allowing single, unaccompanied girls with passports now had Emigration Check Required ( ECR ) stamped, this made travelling out of Mumbai increasingly difficult, thus the transit point for trafficking bar girls, shifted from Mumbai to New Delhi, Chennai and Hyderabad.

The Check Point GO USB device provides a secure virtual desktop for Microsoft Windows machines, allowing remote access of the corporate network via a VPN connection, and also contains encrypted storage for confidential data.

Additionally, D ' Lo is in charge of talent development and acquisitions heading up the TNA Gut Check program.

* Check stocks and flows, maintain structure of systems

Check its inhibitor effectiveness before leaving it in during the summer.

Maricopa was the subject of a major article in the New York Times on April 6, 2008, and the town was featured on ABC's Nightline on May 7, 2008, during its " Realty Check " segment.

On March 20, 2007, Perris was featured on ABC's Nightline news show during its " Realty Check " segment.

The recall notices states that an improperly manufactured Engine Control Module ( ECM ) can develop a crack in its circuitry, potentially causing the " Check Engine " light to illuminate, harsh shifting, and stalling and / or failure of the engine to start.

The recall notices states that an improperly manufactured Engine Control Module ( ECM ) can develop a crack in its circuitry, potentially causing the " Check Engine " light to illuminate, harsh shifting, and stalling and / or failure of the engine to start.

Many Canadian universities require a Criminal Records Check or other screening procedure ( e. g. Child Abuse Registry Check, Vulnerable Sector Screen ) as a condition of admission into its programs.

" While it is not, in fact, the first Canadian-produced sitcom ever aired on CTV, having been preceded by The Trouble with Tracy, Snow Job, Excuse My French and Check It Out !, it is the first CTV sitcom in which the network itself has held a primary production role, rather than acting solely as a holder of broadcast rights, and the first to postdate the network's late-1990s corporate restructuring from a cooperative of its affiliated stations into a conventional corporation.

* Check whether any strongly connected component contains both a variable and its negation.

Blank Check debuted at No. 3 at the box office behind Ace Ventura: Pet Detective and The Getaway with $ 5. 4 million in its opening weekend.

Check with the local wildlife centers to learn of its availability.

In February 2010, PositiveID acquired the intellectual property rights and assets of Easy Check Medical Diagnostics, LLC, to expand its portfolio of non-invasive glucose-level testing products and diabetes management tools that are currently under development.

Many of the songs interpolate or sample other songs which feature in this or other GTA titles, such as Ice Cube's " Check Yo Self ", which samples " The Message ", which was featured in Vice City or " Weekend " which appears in its original form on Paradise FM in Grand Theft Auto: Vice City Stories.

Several HumorFeed members also run Check Please !, an online journal devoted to the serious examination of online satire, ranging from its role in relation to actual journalism to practical considerations of producing an online satire site.

His thesis became the first edition of his Birds of the World, A Check List ( now in its sixth edition ).

* Check Point, a software company that is best known for its firewall and VPN products

On June 27, 2006 a second DVD was released that was not as successful as its predecessor, entitled Reality Check: Junior Mafia vs Lil Kim.

Check Point Software Technologies Ltd. () is a global provider of IT security solutions, best known for its firewall and VPN products.

In June 1996, Check Point raised $ 67 million from its initial public offering on NASDAQ.

In 2005, Check Point tried to acquire intrusion prevention system developers Sourcefire for $ 225 million, but later withdrew its offer after it became clear US authorities ( C. F. I. U. S ) would try to block the acquisition.

Bogner sought court approval to file a shareholder derivative suit, claiming Check Point was not transferring funds to SofaWare as required for its use of SofaWare's products and technology.

One demo was released under its original title, Reality Check, and the other was a split 7 " with North Carolina hardcore band Empire Falls.