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The seal is achieved when the O-Ring in the male contacts the flat face of the female. These couplings are intended for hydraulic systems where elastomeric seals can be used to prevent leakage and where leak control is critical. This connection provides excellent leakage control. The male connector has a straight thread and a machined flat face. The female connector has a straight thread and a machined flat face. The seal is achieved by compressing the O-Ring against the flat face of the female, similar to a split flange fitting. The threads maintain the connection mechanically.

SAE O-Ring Boss (ORB) threaded fittings are recommended by the NFPA for leakage control in medium- and high-pressure applications. While JIC 37° fittings have the same straight threads, JIC fittings provide a metal-to-metal seal, whereas SAE ORB fittings are sealed by an O-Ring. O-Ring seals provide excellent leakage control because the seal is achieved at the O-Ring rather than at the threads.

Transfer Oil S.p.A. ricerca un operaio addetto al rinforzo del tubo da inserire all'interno del reparto reinforcement.