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Self-cleaning strainers offer an efficient and continuous way to remove debris and contaminants from fluid systems without the need for manual intervention. In this blog, we&#;ll discuss what self-cleaning filters are, how they work, and their various benefits in industrial filtration. What Are Self-Cleaning Filters? &#; Automatic self-cleaning strainers keep industrial process systems free of contaminants and debris as with traditional strainers and filters. What makes self-cleaning strainers unique is how they clean themselves without shutdowns and manual intervention. In most self-cleaning strainer designs, liquid enters the strainer from the bottom, flows upward through a filtering system, and exits as clean fluid. Any debris caught by the filter is pushed to a collection area. When the system detects a buildup of pressure, it opens a flush valve to remove the collected debris. The most common mechanisms you will see in a self-cleaning strainer include: Backwashing . The flow of the liquid is reversed to send a portion back through the filter. This dislodges trapped debris so that it can be directed to the collection area. Mechanical Scraping . Uses blades to physically scrape t he filter surface. Continuous Flushing . A bypass stream continuously dislodges and carries away contaminants while the main fluid passes through the strainer s . Ultrasonic Cleaning . Uses high-frequency vibrations to break apart and dislodge stubborn debris so that it can continue to the collection area. The longer a filter can go without shutdowns for cleaning and repairs, the greater the savings lost production. Benefits of Automatic Self-Cleaning Strainers The advantages of using a self-cleaning strainer are not limited to productivity and reduced downtime. Other benefits include: Consistent performance in flow rate and purity Prevents damage and repairs due to clogs in the filter Protects downstream equipment from damage due to clogs and impurities Is a Self-Cleaning Strainer Right for my Filtration Needs? Every work sight and process is unique, so what works perfectly at one site may not work well at another. This holds true with self-cleaning strainers as well. Before you invest in a self-cleaning strainer, you should discuss your needs with one of SCI&#;s knowledgeable employees. They will help you navigate factors to consider. This includes factors such as maximum flow rate, pressure, strainer mesh sizing and material compatibility to ensure the strainer will not corrode on contact with the fluid. Let Sparking Clear Help You Find the Best Filtration System For Your process. Contact us today to set up a consultation. We&#;ve Got You Covered
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Strainer for gas service
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(Materials)
(OP)
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5 Dec 05 22:52Friends & experts, pls help: 1" CS (150# class - DP: kPa) instrument gas strainer need to be replaced, what would be the best option of strainers (preferably flange-flange type) available? Pls advise on any website to gather more info on product models. Whether 'Y'-type strainers could be used for gas service? Is any other type which is more reliable? Not able to retrieve model/tag info from existing strainer and believe these models should be obsolete by now.
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(Mechanical)
6 Dec 05 20:08Hayward Industrial has a good web site for strainers:jt
(Materials)
(OP)
7 Dec 05 07:19thx jte, helpful site...let's hope more replies from our forum friends
(Mechanical)
8 Dec 05 07:191. A y strainer should work unless you have a big dirt load in which case you would need a basket strainer.
2. End connections are a function of the piping design and has no impact on dirt removal. FYI, piping sizes less than 2" normally have NPT ends but flanged end models are available although maybe not as quick a delivery. Flanged ends will also have a higher total cost.
3. Something I have struggled with is the mesh size. I have finally decided that a 100 mesh screen is a resonable choice but am open to discussion by others on this forum.
4. If the service is instrument air then a filter would be a better choice unless the strainer is upstream of a filter. IA lines generally require that smaller particles be filtered than can be done with a strainer.
(Materials)
(OP)
8 Dec 05 08:04grad, thx for ur valuable post. System is power gas/instrument gas and existing strainer is with NPT ends. But, we feel flanged types would be better due to maintenance ease on inlet/outlet DN25 pipework. Probably, looking at straining capacity of 1micron & more. Y type & Hayward basket type strainers suggested to be used for liquid pipeline services. Do you have any experience with these types of strainers? What are the other available make/models which could be appropriate? Thanks again.
(Mechanical)
8 Dec 05 10:58Try Mueller. We generally end up with either a Mueller or Hayward for small size strainers.
BTW, you cannot remove dirt down to 1 micron with a strainer. You have to use a filter.
For small filters, take a look at Peco.
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For more information, please visit y strainer flange type.