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The EATON 2018-16-16S is a steel flared tube adapter designed to connect a female JIC 37-degree swivel end to a male NPT pipe thread. It serves as a transition fitting in hydraulic and fluid-transfer lines where a flared tube connection meets a tapered pipe thread port. The fitting is rated for up to 3000 psi working pressure and handles temperatures from -40 degrees F to 250 degrees F, making it suitable for demanding fluid system applications. Manufactured from steel and conforming to SAE J514, this adapter is a standard choice for hydraulic plumbing work performed by fluid power technicians and pipefitters.
This adapter is used in industrial, mobile hydraulic, and fluid-transfer systems where a 1-inch OD flared tube line must terminate at a male NPT port. Typical applications include hydraulic manifolds, cylinder ports, pump connections, and valve bodies that require a reliable flare-to-pipe transition. The swivel design on the JIC end allows the tube assembly to be oriented and tightened without twisting the tubing. It is appropriate for both original equipment assembly and maintenance or repair work in shop and field environments.
Designed as an OEM-style replacement or service fitting for hydraulic and fluid-transfer systems requiring a 1-inch OD JIC 37-degree flare swivel to male NPT pipe thread adapter conforming to SAE J514.
Installation should be performed by a qualified fluid power technician or pipefitter. Depressurize and drain the hydraulic or fluid system fully before removing or installing any fittings. Inspect the JIC flare seat and NPT threads for damage before assembly, and apply thread sealant to the NPT male threads as appropriate for the fluid service. Do not use the swivel body for tightening torque reference; always wrench on the hex of the male NPT end to achieve proper makeup.
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