1 Threaded John Perry Tube Ferrule - 1-3/8 Long 316SS
., Material Test Reports Supplied, 3-A Certified L15AJP - THREADED JOHN PERRY TUBE FERRULE - 1", These adapters create a transition between weld connections and John Perry fittings, which are similar to a Bevel Seat fittings, but utilize a "flat face" ferrule for self-alignment mating with a threaded ferrule held in place with a captured nut creating a leak-proof, secure and rigid connection.Optional gaskets prevent metal-to-metal contact.