20 results found for: “Check_valve”.

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Check valve

A check valve, non-return valve, reflux valve, retention valve, foot valve, or one-way valve is a valve that normally allows fluid (liquid or gas) to...

Last Update: 2024-01-12T02:25:49Z Word Count : 2653 Synonim Check valve

Double check valve

A double check valve or double check assembly (DCA) is a backflow prevention device designed to protect water supplies from contamination. It is different...

Last Update: 2024-03-26T20:52:35Z Word Count : 391 Synonim Double check valve

Valve

opposite direction. This is called a check valve, as it prevents or "checks" the flow in one direction. Modern control valves may regulate pressure or flow downstream...

Last Update: 2024-03-18T05:14:19Z Word Count : 3396 Synonim Valve

Ball valve

side of the valve. This is referred to as a vented ball. A ball valve should not be confused with a "ball-check valve", a type of check valve that uses...

Last Update: 2024-03-05T01:25:02Z Word Count : 1783 Synonim Ball valve

Pneumatic circuit

throttle valve connected to the check valve is called a one way flow control valve. While air passes from one direction to the other, the check valve will...

Last Update: 2024-01-26T18:09:05Z Word Count : 588 Synonim Pneumatic circuit

Backflow

valve used, according to the hazard. Category 2 contamination may be prevented by a single check valve, but category 3 requires a double check valve (these...

Last Update: 2023-03-17T18:24:47Z Word Count : 804 Synonim Backflow

Tesla valve

A Tesla valve, called a valvular conduit by its inventor, is a fixed-geometry passive check valve. It allows a fluid to flow preferentially in one direction...

Last Update: 2024-01-18T17:02:52Z Word Count : 928 Synonim Tesla valve

List of valves

leaking out) Demand valve, part of a diving regulator Double beat valve Double check valve Duckbill valve Fill and drain valve: a valve used in space and...

Last Update: 2024-01-21T04:43:19Z Word Count : 1404 Synonim List of valves

Control valve

valve, globe valve, angle valve, pinch valve, diaphragm valve Check valve: Allows flow only in a single direction Steam conditioning valve: Regulates the...

Last Update: 2023-12-16T07:40:55Z Word Count : 1840 Synonim Control valve

Backflow prevention device

(AVB) Check valve (usually not a legally approved method of backflow prevention.) Chemigation valve (primarily used in agriculture) Double check valve assembly...

Last Update: 2024-03-11T20:38:46Z Word Count : 978 Synonim Backflow prevention device

Injector

to continue to draw water and steam. There is at least one check valve (called a "clack valve" in locomotives because of the distinctive noise it makes)...

Last Update: 2024-02-07T08:17:47Z Word Count : 2915 Synonim Injector

Betz mystery sphere

ball check valve produced by the Bell & Howell company: its size, weight, and metallurgical composition matched those of the company's ball check valve. Skeptoid...

Last Update: 2024-03-08T02:31:37Z Word Count : 771 Synonim Betz mystery sphere

Tap (valve)

variations) is a valve controlling the release of a fluid. Tap is used in the United Kingdom and most of the Commonwealth for any everyday type of valve, particularly...

Last Update: 2024-02-28T23:26:30Z Word Count : 2194 Synonim Tap (valve)

Relay valve

the foot-valve (i.e., via a single two-way check valve) are directed towards the trailer relay valve; however, the fact that the foot-valve's delivery-port...

Last Update: 2023-12-23T17:29:21Z Word Count : 1323 Synonim Relay valve

Relief valve

A relief valve or pressure relief valve (PRV) is a type of safety valve used to control or limit the pressure in a system; excessive pressure might otherwise...

Last Update: 2024-02-17T10:10:00Z Word Count : 1575 Synonim Relief valve

Reed valve

Reed valves are a type of check valve which restrict the flow of fluids to a single direction, opening and closing under changing pressure on each face...

Last Update: 2023-09-14T18:42:01Z Word Count : 919 Synonim Reed valve

Oxy-fuel welding and cutting

both oxygen and fuel lines, a flashback arrestor and/or non-return valve (check valve) should be installed to prevent flame or oxygen-fuel mixture being...

Last Update: 2024-03-06T04:02:09Z Word Count : 7006 Synonim Oxy-fuel welding and cutting

Flutter valve

In respiratory medicine, a flutter valve (also Pneumostat valve, and Heimlich valve) is a one-way check valve used to prevent airflow back into a chest...

Last Update: 2023-12-23T17:23:51Z Word Count : 444 Synonim Flutter valve

Butterfly valve

Large butterfly valve Butterfly valve DN3000 Check valve Control valve Diaphragm valve Gate valve Globe valve Needle valve Plastic pressure pipe systems...

Last Update: 2024-03-08T17:41:35Z Word Count : 1044 Synonim Butterfly valve

Water hammer

potential causes of water hammer: A pump stopping A check valve which closes quickly (i.e., "check valve slam") due to the flow in a pipe reversing direction...

Last Update: 2024-03-28T22:17:36Z Word Count : 4178 Synonim Water hammer

Main result

Check valve

A check valve, non-return valve, reflux valve, retention valve, foot valve, or one-way valve is a valve that normally allows fluid (liquid or gas) to flow through it in only one direction.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. There are various types of check valves used in a wide variety of applications. Check valves are often part of common household items. Although they are available in a wide range of sizes and costs, check valves generally are very small, simple, and inexpensive. 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. The bodies (external shells) of most check valves are made of plastic or metal. An important concept in check valves is the cracking pressure which is the minimum differential upstream pressure between inlet and outlet at which the valve will operate. Typically the check valve is designed for and can therefore be specified for a specific cracking pressure.


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