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The MIDLAND INDUSTRIES SS6506-20-20 is a stainless steel swivel adapter designed to connect a 1-1/4-inch Female NPTF port to a 1-1/4-inch Female JIC Swivel port in high-pressure fluid and gas systems. Manufactured from 316 stainless steel, it delivers strong corrosion resistance in demanding environments. The part measures 2.75 inches in length and is rated for a maximum operating pressure of 5000 psig and temperatures up to 1000 degrees F. It belongs to the SS6506 Series, which covers female pipe to female JIC swivel configurations. Plumbers, pipefitters, and hydraulic system technicians install this fitting where thread type conversion and swivel articulation are both required in a single connection point.
This adapter is suited for industrial, hydraulic, and process piping applications where NPTF and JIC thread standards must be bridged. The swivel design allows the JIC end to rotate during installation, reducing stress on mating lines and simplifying assembly in tight or awkward plumbing runs. The 316 stainless steel construction makes it appropriate for corrosive media, marine environments, and high-temperature service. It is used in both commercial and industrial settings wherever fluid-line integrity and thread-sealing reliability are critical.
Designed as an OEM-style replacement or new-install fitting for hydraulic, industrial, and process piping systems requiring a Female NPTF to Female JIC Swivel thread conversion in 1-1/4-inch sizing.
Installation should be performed by a qualified pipefitter, plumber, or hydraulic technician. Depressurize and isolate the system completely before removing or installing any fittings. NPTF threads are self-sealing by design, but inspect threads carefully and ensure proper engagement per IFGC or applicable piping codes. Do not overtighten; use appropriate hand tools and follow standard torque practices for stainless steel fittings to avoid galling.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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