Many industries moving liquids, gas, or steam need a way to mechanically remove particulates from their lines to prevent clogging or contamination in sensitive processing equipment such as pumps, meters, control valves, and regulators. For scenarios where a simplex arrangement is acceptable, Y-type strainers have become proven solutions, providing a cost-effective approach to remove unwanted material from product flows, particularly for smaller pipe sizes. Generally cheaper than T-strainers, the devices can be manually cleaned periodically during shutdown when the solids loading is relatively small. Still, when the amount of material to be removed is heavier, wye strainers may be outfitted with a blow-off connection that permits more frequent cleaning without removing it from the strainer body.
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Although frequently used in various liquid applications, Y-strainers are the industry choice for steam applications due to their design and ability to handle pressures up to 6170 PSIG and temperatures to 800°F. They’re used in numerous industries, including:
Keckley Y-strainers are furnished standard with drain connections and pipe plugs. Most commonly, Y-strainers are fitted in the field with nipples and drain valves to permit the strainer screen to be cleaned while the system is still in process. By opening the drain valve while the system is under pressure, the debris trapped in the screen is "blown" through this connection helping to reduce system shut-downs for maintenance and cleaning.
Keckley Y-strainers are offered in both domestic and foreign castings with a wide variety of straining options for almost any application. Keckley does offer Y-strainers that meet the "American Recovery and Reinvestment Act" (A.R.R.A.) and "Buy American Act". Keckley also provides Y-strainers that meet or exceed military specifications: WW-S-2739: TYPE 1, WW-S-2739: TYPE 2, and NAVSHIPS 810-841499.
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Keckley offers bronze plumbing Y-strainers that meet the California and Vermont “Low Lead” legislation. Keckley Cast Iron, Ductile Iron, Nickel Aluminum Bronze, Carbon Steel, and Stainless Steel strainers already meet the requirement of having less than one quarter of one percent of lead by weight.
Y-strainers are available in Cast Iron, Ductile Iron, Bronze, Nickel Aluminum Bronze, Carbon Steel(like the popular SB-7 Model), Stainless Steel, and a variety of specialty metals including Alloy 20, Hastelloy C276, Monel, Chrome-Moly, and Titanium to withstand thermal or mechanical shock and corrosion. Canadian Registration Numbers (CRN’s) are also available in specific models.
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