SIMPLEX | DUPLEX | QUADRAPLEX | BACKFLUSH | SELF-CLEANING

Surefin is proud to be the North American Distributor for Airpel & Plenty Filtration.  Both brands are owned by SPX, a worldwide leader in the manufacturing of strainers and filtration products.  


We offer a broad range of simplex, duplex  multi-basket (quadraplex) strainers, as well of backflush and self-cleaning filters.  Depending on  style, these are available in cast iron, cast steel, cast stainless  steel, cast bronze and fabricated carbon steel.  Sizes range from 3/4" - 36". 

AIRPEL Products

Simplex Strainers

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Single Filters provide a simple, cost-effective method of protecting pipeline equipment, cleaning liquids or salvaging valuable solids              

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Duplex Strainers

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Dual Filters are designed for continuous flow applications and allow for uninterrupted cleaning with minimum loss of pressure

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Quad/Multi-Basket Strainers

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Multi-Basket filters are designed to be compact and  easily maintained, for continuous flow applications 

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Fabricated Self-Cleaning

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Fabricated Self Cleaning filters are designed for high flow rates, with sizes ranging from 8" to 12".       

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Standard Self-Cleaning

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Standard Self-Cleaning Filters provide highly cost effective solutions to difficult liquid filtration problems of all viscosities              

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High Pressure Self-Cleaning

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High Pressure Self-Cleaning Filters  are available in sizes from 2" to 12" and suitable for up to 35 Bar/507 PSI

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PLENTY Products

Backflush Filters

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The Backflush Filter cleans without interrupting the liquid flow and  flushes  the collected contaminants through the  inside of the  element.

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Fabricated Duplex Filters

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The Fabricated Duplex Filter are an extremely compact design particularly suited for Marine and Offshore applications

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Large Duplex D-Type Strainers

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The Large D Type Duplex is available in sizes from 10" - 20" and designed for application with large flow requirements      

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