Valves

Anti-siphon valves prevent water from siphoning back into the water supply. Also known as vacuum breakers, anti-siphon valves are used on washing machines, faucets, toilets, sprinklers and other water…

Proportioning valves meter the fluid pressure that reaches the front and rear brakes to provide vehicle stability during braking. Proportioning valves are important on vehicles equipped with front…

Tapping noises coming from an engine may be an indication of sticky hydraulic valve lifters. Engine valve-train components include the camshaft, hydraulic lifters, rocker arm assemblies, valves and…

PVC cutoff valves connect each water source in a home to the main water source. The valves are in places on the PVC pipe system to address individual leaks without shutting of the main water source…

Active sprinkler systems make several noises, including fizzing and the sound of flowing water, which are all part of normal operations. Still, these same noises can indicate a problem when they occur…

Permanent sprinklers are an easy way to water your garden, but the valves that control the sprinklers can be an eyesore. You can hide these valves by creatively using landscape elements. Make sure the…

A closed irrigation valve is a component of an irrigation or sprinkler system. This component is connected to a water line and other valves through the use of PVC pipes and is the last piece in the…

Most people have seen a standard "J"-shaped snorkel. One problem with this simple snorkel is that water tends to get into it when a snorkeler dives, and he has to exhale hard when he returns…

HVAC systems — also known as heating, ventilation and air conditioning systems — use air flows and temperature changes to deliver heating and air conditioning within an indoor environment.…

Kawasaki's Bayou 300 ATV is powered by a single-cylinder, two-valve engine. During normal operation, a set of rocker arms push down on the valves, allowing fuel to enter while forcing exhaust gases…

An EFI 16-valve DOHC is a four-cylinder engine with four valves per cylinder, dual overhead cam and electronic fuel injection. Most engines with these features have a displacement of 2.4 liters or…

Issues can arise with an air conditioner’s compressor so that it does not function optimally. An air conditioner’s compressor helps the refrigerant flow around the system, using pressure,…

Pneumatic cannons -- known as spud guns -- are designed to propel objects out of a PVC barrel with air pressure. Barrel-sealing valves constitute the firing mechanism. Sealing valves are designed to…

Machine operations have hydraulic pressure valves that control the amount of pressure through the pipe lines. The hydraulic pressure valve needs to be at a balance or the equipment might malfunction…

Gas-powered home boilers and furnaces need an ignition and gas source for warming a household. Many manufacturers offer an ignition device, as well as a gas regulator, but they are often two separate…

Tri-clover valves are air actuated – they are opened and closed with pneumatic power. They are common in factories and on systems where there are pneumatic lines for some other reason. When…

Lawn Genie manufactures a wide range of sprinkler valves. All of these valves can leak because of damaged valve seals, cracks, seal failures and ultraviolet radiation. Always install Lawn Genie valves…

"Dire Grove" is an adventure game that challenges players to solve a crime by finding hidden objects. The game is set in an abandoned hotel. To advance, players must find key items and use…

Ball valves are used to open and close a supply pipe. Supply pipe is used for water or gas, and may require the use of a ball valve. A double-ball valve has two stems that you can use to close the…

Historically, musicians have preferred the warm, natural sound of vacuum tube amplifiers to solid-state amplifiers. However, solid-state electronics can provide a much broader tonal menu to the…

Speaking valves are devices that restore the dignity of spoken communication to some individuals forced to use tracheostomy tubes. A health care professional, trained family member or the individual…

Galvanized valves are used in a variety of locations in residential plumbing, such as the shut-off valves for water supplies in sinks and toilets. When it comes time to remove or replace these valves,…

Vickers hydraulic valves are used in hydraulic manifold assemblies to control the flow of fluid in a motor or cylinder. When the valves are wired correctly, the valves are electrically controlled to…

Thermoplastic valves are large, lightweight valves that are used in plumbing and construction for transporting gases or liquids that are moved at a very high temperature. Designing your own…

If your Kohler toilet has a consistent leak, it could signify that the flush valve located inside the water tank is loose, improperly tightened, or has worn seals. To gain access to the flush valve…

This process involves grinding valve seats and lap valves; the more common procedure is lapping valves. Valves are small, mushroom-shaped, metal parts that lift and descend to control the flow of fuel…

Hot water boilers and heating systems use piping to transport hot water to different parts of buildings. These areas are called zones, and each zone has its own supply line, air bleed or purge valve,…

Installing a new trombone spit valve, also known as a "water key," will make it possible to repair your trombone and prevent air leaking while performing. Occasionally, it becomes necessary…

Just a sliding grate is used to block the entry of a castle, a gate valve stems the flow of liquids by lowering a solid plate into its interior passageway. Conventional gate valves open and close with…

The Hagmann valve is a rotary valve commonly found on trombones that were made after the early 90's. Like all instrumental valves, it needs to be lubricated regularly to ensure proper performance. Dry…

There aren't many things more annoying than a toilet that runs continuously. When wiggling and jiggling the flush handle doesn't seem to work, it is time to take more serious action. The culprit is…

The brake proportioning valve is a metering device that equalizes the pressure between the front and rear brakes. The valve stops the flow, or pressure of brake fluid to the rear drum brakes during…

The valve trombone is an alternative to the slide trombone. Rather than moving the slide, you adjust the valve to alter the pitch of the note. Typically its easier to play fast on a valve trombone,…

A butterfly valve controls the flow of liquid through pipes with a rotating disc mechanism that flaps like a butterfly’s wing. A handle on the valve is turned to open and close the disc to…

Valve trombones look similar to regular trombones, except instead of a functioning slide, the instrument has a set of valves similar to a trumpet. These three valves have the advantage of making it…

All sprinkler systems contain a device known as a pressure vacuum breaker valve. This device is made out of brass and is designed to be rust resistant and very durable. But these valves are…

For an irrigation system to function properly, it depends primarily on one key component: the valve manifold. Irrigation valves allow the sprinklers to pop up from the ground and water the lawn…

When overhauling your engine or cylinder head, it is important that every component that will be part of the final assembly meets the manufacturer specifications, including each cylinder valve, to…

Properly functioning thermostatic valves are a must for all spas, showerheads and other temperature-related plumbing fixtures. Moen is a company that is dedicated to excellence in their product line,…

Steam tracing is a method to keep materials in a pipeline warm or hot. In chemical processing plants, it is often necessary to keep certain materials from freezing and plugging in a pipeline,…

Mellophones are brass instruments commonly used in marching bands. King is a popular brand of brass instruments. French horn players typically play mellophones, since marching with a French horn is…

Buoyancy compensating devices are used by scuba divers to attain neutral buoyancy underwater and to keep them afloat when they are on the surface. They consist of a jacket or harness attached to an…

A brake proportioning valve is typically located in the rear brake line and enables you to adjust the rate of pressure increase to the rear brakes. It changes the proportion of brake fluid. You can…

A trombone valve must be disassembled for proper maintenance, and proper maintenance can make a valve last several years longer than it would without regular, detailed cleaning. Once every six months,…

Sprinkler systems are controlled by a series of valves. These devices accept a signal from a sprinkler timer and control the flow of water to each individual zone on the system. Valves are made out of…

A toddler galloping joyfully through the house with an open cup of juice is fraught with danger. Give yourself one less spill to worry about by adding a top fitted with a child-friendly sipper valve.

Yard sprinklers contain a series of valves within an irrigation control box. These valves control the flow of water from the main water line into each of the sprinkler zones, with each valve…

Sprinkler valves control when and where water goes from your sprinkler system. An electronic signal from the sprinkler timer tells the valves when to open and close. One valve controls one zone on the…

As part of your vehicle's emission-control system, the purge valve controls fuel vapors collected inside a canister. The fuel tank produces these vapors, which the canister stores for burning whenever…

The purge valve on a Ford Thunderbird is a component that is used as part of the car's emissions control system. The valve is connected to the Thunderbird's charcoal canister via a rubber hose.…

The baritone horn is a brass instrument. When played, the musician's breath enters the horn through the mouthpiece, creating the note of B flat. Valves on the instrument are pressed or lifted to…

Whether it's a sunken pirate ship or a curtain of bubbles, air-powered features can be an entertaining and decorative addition to any fish aquarium. If you have multiple bubbling decorations in your…

Water softeners remove calcium and magnesium ions, which can build up within pipes and develop soap scum, by replacing those ions with sodium. In commercial settings, a water softener may have to be…

Often, implementing a change in water distribution can be cost-effective for a private business or a public utility. According to a 2010 report written by Dr. Judith Barry of Noblis.org, after an…

Ball valves, like gate, globe, and needle valves, are named for the element in them that controls the fluid flow. Ball valves have a spherical flow controller with a cylindrical hole bored in it. When…

A packed-bed chemical process is a cylinder filled with metal, plastic or ceramic materials that increase the surface area inside the vessel. The purpose of packed-bed technology is to increase the…

Chemical process plants consist of hundreds, or even thousands, of piping control loops all networked together. Control loops include control valves that are designed to keep important processes…

Low pressure-rated industrial equipment carries pressure and vacuum ratings. Pumping material into and out of a low pressure storage tank can lead to over-pressuring the vessel or creating a vacuum…

Industrial manufacturing plants are required to provide and maintain fire water pumps to feed water hoses, sprinkler systems and deluge systems. These pumps must be checked weekly for proper…

Relief valves are mechanical devices that protect industrial equipment from overpressure. If a piece of equipment experiences overpressure, it could rupture or explode causing serious safety risks.…

A safety relief valve prevents the interior pressure of a boiler from rising to unsafe levels. Typical steam safety relief valves have a large spring that applies a downward force on a metal piston.…

A ball valve is a ubiquitous piping component that is used to stop or control the flow of fluids in the pipe. A ball valve has a spherical ball with a hold drilled through the center. When the hole…

A vacuum pressure relief valve is a special piece of chemical process equipment that provides overpressure relief as well as internal vacuum relief for low-pressure storage tanks. Certain scenarios…

Chemical process equipment typically carries pressure ratings. Internal pressure can build up due to a variety of scenarios and the equipment must be carefully designed to ensure it can handle the…

Ford's 351 Windsor is a small block V8 engine that is often modified and used as a platform for race engines. The process of setting the valve adjustments might vary somewhat from car to car,…

Pressure relief valves (PRV) protect systems from becoming over-pressurized. A PRV that doesn't function correctly, or at all, can be very damaging. While they are vital to the safe running of…

Fisher control valves are used to control the operating conditions of industrial pipelines throughout the world. Fisher is a brand name used by the manufacturing and technology company Emerson.

Together with the U.S Consumer Product Commission (CPSC), NVP-Hearth Gas Communications and Honeywell issued a recall for hearth gas valves. The affected products are brand-specific and only use…

When a relief valve opens to release excess pressure, the valve may not close properly. In steam valves, this can cause the valve to vibrate or allow microscopic amounts of steam or vapor to escape.…

SMC 638 ball valves are made by The Specialty Manufacturing Company (SMC) in St. Paul, Minnesota. The company's Valve Products Division produces a variety of plastic, brass and stainless steel valves…

Reverb produces an effect that sounds like a guitarist is playing in a large room, giving the guitar echo as though the sound were coming from the distance. Traditional reverb passes the signal down a…

A backflow valve is a device used in irrigation systems to protect water supplies from pollution or contamination. It prevents the reversal of water from a source of contamination back to clean water…

Gate valves control the flow of liquids. Unlike other valves, gate valves are either all the way open or all the way closed. They are often used as the main control valve --- such as the valve…

Breather valves are used on shipping containers to reduce the impact of moisture, humidity and interior pressure changes caused by the movement of the containers at high altitudes.

Parker Hannifin Corp. valves are used in industries from cold compressors in refrigeration units at your grocery store to jet engine manifolds in the aerospace industry. The versatility of the valves…

Since 1964, Manitowoc has been the number one seller in the ice machine market. With no CFC refrigerants, the ice coming from a Manitowoc machine is good for consumers and the environment. According…

The American National Standards Institute (ANSI) establishes standards for a variety of products manufactured and distributed in the U.S. Among these standards are those concerning the specifications…

Lockshield valves are used in plumbing systems to open and close water supply to radiators, effectively turning them on or off. The valves are usually located in the piping next to the radiator, and…

Steam turbine extractions are used for auxiliary purposes and heat transfer. The extractions are done from the low and intermediate pressure sections of the turbine. Reverse flow prevention must be…

Ball valves calibrate and control the flow of liquid, often in manufacturing and chemical processes. Steven Sperry, owner of New Tech Marketing, which markets various brands of ball valves, said lined…

Hydrotesting meets an industry standard for evaluating industrial pressure-rated equipment. Hydrotesting means applying water under pressure for a certain amount of time. Hydrotesting is done to…

Crane manufactures engineered industrial products, including Crane Fluid Handling for fluid-handling applications. The company's Energy Flow Solutions, headquartered in Shenandoah, Texas, manufactures…

Automotively speaking, a valve spring is a small spring coil that causes the valve to close and keeps the lifter in contact with the camshaft. It is one of the most critical and overlooked components…

ASME (American Society of Mechanical Engineers) Boiler and Pressure Vessel Code has established the criteria for the classification of a pressure vessel. A pressure vessel is a piece of industrial…

Check valves prevent backward flow of liquids. These are simple valves are often used in water supplies and irrigation systems. They are frequently doubled for better performance. These double valves…

Hydraulic pressure relief valves are valves used to prevent excessive pressure in hydraulic systems. As the normal pressures in hydraulic systems range from 1,000 pounds per square inch to more than…

Air valves are used to control the amount of air present inside pipes that are transporting fluids being moved via the pressure of a pump, such as water pipes in a municipal water supply. The three…

An industrial boiler is a piece of equipment that generates steam or other vapors at pressures of more than 15 psi (pounds per square inch) for external use. The boiler heats liquids (usually water)…

A pressure safety valve is designed to open during an emergency or abnormal conditions to prevent a rise of internal fluid pressure in an industrial tank or other piece of equipment. Conventional…

A control valve is a machine tool that is used to regulate a certain condition by fully or partially closing in response to signals.

Cities and counties often provide residents and businesses safe drinking water. Distributing the water from reservoirs and treatment plants to the tap in the sink involves an intricate and…

Valves are used to control the flow of gases, liquids and granular solids. They come in many types, sizes, materials, pressure and temperature ratings, and means of actuation. Gate valves and ball…

We have all seen gate valves--although few people know the proper name for them. In large buildings, factories, and in many other places where there are pipes or ducts there is sometimes a round…

Check valves are simple devices that allow fluid media (gas, liquid or solids such as sand or slurry) to flow only one way. Typical check valve installations are found in industrial plants,…

You can light a deep fryer safely in just a few minutes by taking a few basic precautions to ensure your safety. Basic outdoor deep fryer models have exposed burners that must be individually lit…

Vickers Corporation manufactures hydraulic equipment, including pumps, filters, fittings and control valves. As hydraulic systems (or "circuits") are considered high pressure applications, installing…

We have all seen gate valves, although we might not know the proper name for them or exactly what their purpose was. The most visible part of a gate valve is the round knob sticking out of a pipe.…

A ball valve is a device used to control the flow of fluids through a pipe or unit of equipment. There are three types of ball valves, but all have a handle that moves a ball to open or close a…

An air valve is used on many industrial components and systems. It is a small valve that is usually placed on the end of a pumping system, tank or container that is part of a system. These valves come…

A solenoid valve is a simple yet elegant electromechanical device that controls the flow of liquid or gas. When power to its metallic coil (solenoid) is switched on, the resulting magnetic field…

A hydraulic lockout valve is used in pneumatic and hydraulic applications to prevent injury during maintenance to machinery. OSHA (Occupational Safety and Health Administration) actually has…

A pressure reducing valve is installed in a pipe system that connects to a storage tank or reservoir of liquid or gas. Whether it is a home, fuel tank or any other system, the pressure reducing valve…

A flow valve is meant to shut off a hydraulic system when a certain amount of pressure exists in that system. This is to protect the motor and sensitive parts from damage. So, the flow valve must be…