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 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

* Check valves are one-way valves, allowing an accumulator to charge and maintain its pressure after the machine is turned off, for example.

* 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.

More recently, he has also edited Gary North's Reality Check, a widely-circulated free e-newsletter.

He also appeared in the Amos ' n ' Andy film Check and Double Check ( 1930 ).

He also had a small role in Steven Spielberg's 1941 ( 1979 ) in scenes with Toshirō Mifune and Christopher Lee ; during one scene, he names the objects that he has with himself, and sounds like he does in Dr. Strangelove during the " Survival Kit Contents Check " scene.

It is also home to one of the smallest houses in Britain, known as " The Check House ".

The group also met producer J-Swift around this time, as he was Reggie Andrews's " star pupil " according to the book Check the Technique.

He also made numerous guest appearances with the Beastie Boys, " Check Your Head " ( 1992 ), " Ill Communication " ( 1994 ), " Hello Nasty " ( 1998 ), and their anthology The Sounds of Science ( 1999 ).

An IPS can also correct Cyclic Redundancy Check ( CRC ) errors, unfragment packet streams, prevent TCP sequencing issues, and clean up unwanted transport and network layer options.

* Level 4: Level 3 + check on local police databases, court and law enforcement agency databases ( also known as " Police Record Check ")

Along with the additional benefits the executive membership offers ( e. g. car purchasing savings, home loans, car insurance, check printing services ) Executive members also receive an annual " 2 % Rewards Check " of up to $ 750. 00 from Costco on all purchases made, excluding select items such as gasoline, tobacco, stamps and in some states, alcohol.

He also wrote a number of TV game show themes, including The Wizard of Odds ( for which he also sang the vocal introduction ), The Joker's Wild, Celebrity Sweepstakes, The Diamond Head Game, Blank Check, Stumpers !, Whew !, and the original theme to Wheel of Fortune.

BBspot is a founding member of HumorFeed, a prominent community of news satire webmasters ; Briggs is also a member of the editorial board for Check Please !, a journal devoted to the serious examination of news satire and journalism.

Membership in Marist Singers entitles the students to also participate in Chamber Singers ( by audition ), Gospel Choir, Freshman Women's Choir, Time Check ( Marist's male a cappella group ), and Sirens ( Marist's female a cappella group ), and Chapel Choir ( which sings at masses ).

Check 21 has also spawned a new bank treasury management product known as remote deposit.

The Health Check is also removing constraints on farmers ’ freedom to produce more in response to

iDrive also allows the On-Board Diagnostics computer to provide detailed information to the driver and service technicians in plain-text, rather than limited and confusing symbology, such as a " Check Engine " light.

Blank Check ( also known as Blank Cheque in Europe ) is a 1994 comedy film directed by Rupert Wainwright, starring Brian Bonsall, Karen Duffy, Miguel Ferrer, James Rebhorn, Tone Lōc, Jayne Atkinson and Michael Lerner and was released by Walt Disney Pictures.

A Negative Check Database contains a comprehensive list of people who either wrote a bad check at a retail location, paid a bill with a check that was returned, also called " bouncing a check.

Version 2012 also supports IFC GSA 2010 and IFC BCA ePlan Check in the Export to IFC dialog.

Stevens ' Spell Check program was also used in Novell GroupWise.

Design rule checking is a major step during Physical verification signoff on the design, which also involves LVS ( Layout versus schematic ) Check, XOR Checks, ERC ( Electrical Rule Check ) and Antenna Checks.