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Self Cleaning Strainers are designed for applications that require continuous operation. Self Cleaning Strainers are available for pipeline sizes from 2" to 48", although at a starting cost of about $6,000 for a 2" cast iron unit, they only usually become a cost efficient choice for 8" and larger size pipelines. Another reason to use self cleaning strainers is for high solids loading that would otherwise require frequent basket cleaning. Higher flow rate applications require larger baskets, which can be heavy and a burden to remove and clean. Self cleaning strainers eliminate the manual process of monitoring and cleaning baskets. A typical control package ($2,500 - $5,200) enables automatic self cleaning based upon a field settable differential pressure, which is a reflection of the solids loading in the strainer. Timed actuation and a manual override are also part of a typical control system. Although these are mostly used for intake lines after a traveling screen, straining water, we offer these in 316SS and alloys that are suitable for potable water and chemically aggressive applications. Due to the custom nature of these strainers, we do not list pricing online. Please fill-in the specialized inquiry form describing your application and we will have a specialist contact you with our recommendations. | There different types of "self-cleaning" strainers.
Some, like the one above, use differential pressure to clean the basket openings. We also offer less expensive and simpler designs that enable you to "flush" material in the basket out of the strainer, as illustrated to the right. Note that flushing designs do not effectively remove debris lodged in the strainer basket openings.Our strainer specialists will assist you in determining how to achieve the level of protection required in the most cost effective and efficient way. |  |
Automatic self-cleaning strainers are used in nearly every industry to strain fresh, brackish, or salt intake water for plant services; cooling, process, fire protection, etc. Process Industry – Protect heat exchangers, pumps, valves and water spray nozzles. Power Industry – Protect heat exchangers, pump seal water, traveling screen wash water. Pulp & Paper – Removing fibers from white water filtrate preventing clogging of nozzles. Separate bark/chips for recycling. Sewage/Waste and Water – Straining secondary effluent – thereby protecting spray nozzles while also providing clean plant service water. Primary Metal Industry – Provide clean water for quenching, descaling, blast furnace cooling.
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