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Series FBV-3-Press 2-Piece, Full Port, Brass Ball Valves with Integral Press Fitting Ends are designed for use in ProPress® piping systems. They feature a brass body, adjustable packing gland and bottom-loaded blowout proof stem with stem O-ring seal. Series FBV-3-Press comes with integral ASTM-B88 compliant press end connections designed for types K, L and M hard copper tubing 1/2 to 4 in. (15 to 100mm) and soft copper tubing 1/2 to 1 1/4 in. (15 to 32mm).