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The MATCO-NORCA mn-ft3un03 is a forged steel threaded union rated Class 3000, designed for use in high-pressure piping systems where a reliable, removable pipe connection is required. Built from forged steel for superior strength and pressure integrity, this union allows technicians to disconnect and reconnect piping runs without cutting pipe. The 1/2 inch size fits common branch and service line applications. Licensed plumbers and pipefitters install this fitting in systems where threaded connections are specified and high-pressure rating is required.
This union is suited for industrial and commercial piping applications including steam, hydraulic, and high-pressure fluid systems where Class 3000 fittings are called out by specification. It is installed in 1/2 inch threaded pipe runs that require a break-apart joint for future service access. The threaded end connections allow for installation with standard pipe wrenches without the need for welding or specialized tooling.
Designed as an OEM-style replacement or new-install fitting for 1/2 inch threaded pipe systems requiring Class 3000 forged steel unions.
Installation should be performed by a licensed plumber or pipefitter in accordance with applicable plumbing and mechanical codes, including ASME B16.11 standards for forged fittings. De-pressurize and drain the piping system completely before removing or installing any union fitting. Use an appropriate pipe thread sealant or PTFE tape rated for the service fluid on all threaded connections. Do not over-torque the union nut, as this can damage the seat and compromise the seal.
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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