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The PARKER 16-10 TRLON-S is a compression-style tube end reducer with an O-Ring Face Seal (ORFS) end connection, manufactured from steel. It steps down tubing from a 1-inch outside diameter to a 5/8-inch outside diameter, creating a leak-resistant seal at the face of the fitting rather than relying solely on thread engagement. Rated to a maximum working pressure of 6000 psi, this fitting is built for high-pressure hydraulic and fluid-transfer lines where positive sealing is critical. The UNF thread standard ensures compatibility with standard inch-series ORFS port hardware. Installation is performed by qualified hydraulic or plumbing technicians.
This fitting is used in hydraulic systems, fluid power circuits, and industrial plumbing applications where two different tube sizes must be joined with a reliable, high-pressure-rated connection. The ORFS interface is widely specified in mobile equipment, industrial machinery, and heavy-duty fluid systems where vibration and pressure spikes make face-seal designs preferable to flare or NPT connections. The reducer format allows routing changes or equipment tie-ins where line sizes differ between circuit segments.
Designed for use in hydraulic and fluid power systems requiring compression-style tube end reducers with ORFS connections and UNF threading in 1 x 5/8 inch outside diameter configurations.
Installation should be performed by a qualified hydraulic technician or pipefitter. Depressurize and isolate the hydraulic circuit completely before removing or installing any fittings. Inspect the O-ring and sealing face for damage prior to assembly; a damaged O-ring or scored face seat will result in leaks under pressure. Torque the fitting according to the system designer's specifications and applicable hydraulic plumbing standards.
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