Flange Styles

Choosing the correct flange style for your liquid filter bag is a critical step in ensuring a secure, leak-free seal and optimal filtration performance. While the dimensions of filter bags like Size 1 and Size 2 are standard, the top treatments, or flanges, vary significantly between manufacturers. Our Midwest Filter flange styles are designed as high-performance equivalents to fit major industry vessel brands, offering a seamless and reliable fit for your existing filter housings. This guide will help you understand our flange styles and how they cross-reference to the brands you know.

How to select a Midwest Filter / Filterbag flange style:
 
Sizes 1 & 2 (7-inch diameter)
MWF “P” flange replaces Eaton Sentinel

MWF “F” flange replaces Pall FSI PolyLoc

MWF “OSS” flange replaces Rosedale
 
Sizes 3 & 4 (4-inch diameter)
MWF “P” flange replaces Pall FSI PolyLoc

MWF “RP” flange replaces Ronningen-Petter

MWF “OSS” flange replaces Rosedale
 
If you don't spot a particular brand's style, our knowledgeable sales team is on standby. Leverage their extensive cross-reference capabilities to pinpoint and provide the filtration solution you're looking for.