Dresser 1 2" Style 65 Galvanized Male Adapter Wal Rich Corporation Smith Blair 441 Omni Cast Dresser Coupling 12in 13.20in 13.50in Range DRESSER PIPELINE SOLUTIONS 0065 0033 003 Style 65 Boltless Long Coupling, 1 1 4 in Nominal, Compression End Style, Malleable Iron Torrco Bolted Sleeve Type Couplings for Plain End Pipe OKVAL brand bolted sleeve couplings are used to join Plain End Pipe ,okval dresser coupling design has sleeves which slide over the pipe ends to which