A threaded connection similar to the Bevel Seat except with flat-faced ferrules to assure self-alignment. Popular on swing elbows and flow panels. Made from AISI 304 stainless steel with#7 150 grit (32RA) polish. John Perry fittings comply with 3-A standard for CIP and manual cleaning. Options: Other sizes, styles, polishes, 316L stainless.