The Y Strainer – Purpose and Application

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When deciding which type of strainer to use, it is important to understand the specific purposes and differences that make a strainer unique. Wye strainers are no exception. While this strainer option is more flexible when compared with basket strainers, the y strainers have a very limited installation. The y type strainer purpose is a specific one and that is exactly what makes them ideal for the applications where they can be used. This means that understanding the y strainer purpose and the applications that benefit from it are the best ways to get the results that you are looking for out of this strainer!

The Y Strainer Purpose

The y strainer purpose is to remove unwanted particles from steam, gas, or liquid using a straining element typically made of wire mesh. Using this mechanical process in pipelines helps to protect everything from pumps to steam traps. Y strainers are sometimes designed with blow-off valves to make the cleaning process easier.

Perhaps the largest benefit that comes from the y type strainer is its flexibility. It can be installed in a vertical or horizontal position, depending on the users' preference. While this strainer type is already a cost-effective option, the size of y strainers can be reduced to save even more money. This also prevents using excess materials. Y strainers can be made of a variety of materials. The type of material you choose depends on the industry and application that is used. Any type of end that you might need is available as well. From socket to flanged, there is a y strainer out there with the end you need!

The ways in which y strainers can be customized are seemingly endless when compared with other types of strainers. However, the design of a y strainer must be appropriate for the application for this system to be successful. In order to get the right results, always be sure to know the application you are working with before buying a y strainer.

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Y Strainer Applications

The industries where y strainers are best used are those that need constant protection from debris. The most universally common use for a y strainer is in steam applications. Due to its shape, a y strainer has no trouble handling the high pressure that steam applications endure.

Y strainers are often used in liquid applications. Sand and gravel are two very common types of debris that pose a big threat to liquid applications. When combined with water handling applications, y strainers aid in the protection of equipment that would be otherwise damaged or clogged by various unwanted particles.

Natural gas and air applications also benefit from being used with y strainers. Much like steam applications, natural gas and air environments have high pressure levels. These applications are also expected to put up with high temperatures, something that y strainers can easily endure.

Because of the variety of industries and applications where a y strainer can be used, the materials and customization of these strainers must be done on a case-by-case basis. For example, carbon steel does not do well in extremely high temperatures or pressures, so it would be best to find a y strainer made of chrome-moly steel for steam or natural gas applications. Keeping in mind specificities when it comes to applications and industries will help ensure that you get the most from a y strainer.

If you have any questions or concerns regarding y strainer applications or uses, feel free to contact us anytime at (855) 236-!

Need information on installation & maintenance? Read our y strainer installation & maintenance resource

The “How” and “Why” of the “Y Strainer”

If you spend much time on our website you’ll notice it’s full of some pretty impressive products. Over the decades our product line has grown, and our manufacturing and fabrication services and capabilities have grown to meet our customers' growing demands. A brief look through our Product Gallery section shows we make some exceptional strainers and valves.

As the world gets more complex it’s easy to get distracted from some of the simple amazing things in our lives. Like turning on a tap and having clean water come out, opening a fridge and taking out a cold drink, or turning the ignition key in your car, and having this marvelous compilation of steel and copper and rubber and integrated circuits move you from Point A to Point B in comfort.

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It’s important to remember some of the simpler things that make this all possible, and with that in mind we’ve decided to feature some of the products that may not seem ultra-sophisticated but which make the processes we require in modern life work better and more efficiently. One of those is a simple Y Strainer.

A Y Strainer takes its name from its configuration and is most commonly used in pressurized lines, gas or liquid. They can also be used in suction or vacuum conditions. Y Strainers are intended for applications where small amounts of solid particulate are expected and where clean-out will be infrequent. If solids will flush easily from the screen, and fluid can be exhausted to atmosphere, a blow-down valve on the drain port will allow clean-out without removal of the screen, and without interrupting the process flow.

By definition a strainer provides a means of mechanically removing solids from a flowing liquid. They do this by utilizing a perforated metal, mesh or wedge wire straining element.

We often forget that installation of a Y Strainer isn’t an expense, it’s an investment in the protection of the downstream mechanical equipment such as turbines, pumps, heat exchangers, spray nozzles, condensers, meters and steam traps. These are often one of the costliest components of the process and can be damaged by sediment, rust, pipe scale and other extraneous debris.

Y Strainers can be used in either a horizontal or vertical position while most basket strainers are designed for horizontal or slightly inclined piping applications. You must pay attention to the orientation of the chamber which collects debris and the drain (blow-down) connection of the Y Strainer. The strainer must be installed so that it is in the lowest possible position.

A Y Strainer installed in vertical piping must be installed so that its screen is in the downward position so that it can trap sediment in the debris collection chamber.

A simplex strainer (just a single strainer as opposed to a duplex strainer) is generally used where the process can be shut down for a period of time to replace, or to clean the strainer.

Y Strainers and many basket strainers can be self-cleaning. If you add a blow-down valve the strainer can be flushed without stopping the flow through or disassembling the piping.

Contractors and engineers often have a misconception that Y strainers and basket strainers cannot be used in steam service. In many instances both basket strainers and Y Strainers will perform comparably in steam service. When you order strainers for steam service it’s essential that you specify this so the manufacturer is aware of this. With steam the housing may be provided with a special bottom which allows the accumulated debris to be blown out of the blowdown valve opening.

When liquid flows through a strainer, the strainer screen will impede the flow and therefore the pressure of the liquid exiting the strainer will be lower than prior to entering the strainer. This is referred to as the pressure drop of the strainer.

In sizes about 4 inches, a basket strainer will generally create less pressure drop than a Y strainer. Due to the required thickness and therefore high cost to create high pressure strainers, basket strainers are normally not constructed for pressures above 1,500 psi. On the other hand, Y strainers are available for working pressures of 6,000 psi and higher.

Cast Y strainers can be installed into a pipeline or work flow application either by threading them on to a piece of pipe, or by being bolted to a flange.

Threaded cast Y strainers can come in a variety of materials including Cast Iron, Cast Bronze, Cast Steel, Cast Stainless Steel, Cast Alloy 20, Cast Chrome-Moly. Flanged Y Strainers can come in Cast Iron, Cast Ductile Iron, Cast Steel, Cast Stainless Steel, Cast LCC.

While Y strainers are not always the flashiest part of production process they are an essential component. In an era where we have the tools to analyze and record in minute detail variables including downtime, make sure you keep those expensive downstream components working to their potential by ensuring you are removing the debris and particulate that can reduce their efficiency or cause premature failure.

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