PPI December 27, 2019 by cbrunet PPI Flanges, Fittings & Nipples Flanges: Sizes: 1″ through 24″ (others available} 150lb. through 10K Raised Face, Ring Joint, Threaded & Slip-on Bleed Rings: 1″ through 8″ 150lb. through 5K Raised Face & Ring Joint