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The MIDLAND INDUSTRIES 40100 is a seamless red brass pipe nipple designed for threaded pipe assemblies in plumbing, HVAC, and industrial fluid systems. It features 1-inch male pipe thread (MPT) connections on both ends and measures 1-1/2 inches in length. Fabricated from red brass, this nipple is rated for pressures between 240 and 630 psi and handles temperatures from 100 to 400 degrees F. The 1-11-1/2 thread form conforms to ANSI B1.20.1 dimensional standards. Its seamless construction eliminates weld seams, reducing potential leak points in high-pressure or high-temperature runs.
This nipple is suited for residential and light commercial plumbing, steam and hot water heating systems, and general industrial piping applications. It installs wherever a short threaded connection is needed between fittings, valves, or equipment ports. The Schedule 40 pressure rating makes it appropriate for standard service lines carrying water, steam, or compatible fluids. Licensed plumbers, pipefitters, and HVAC technicians regularly use close and short nipples like this one when making up threaded manifolds, service valves, and gauge connections.
Designed as an OEM-style threaded fitting for use with standard 1-inch NPT valves, unions, couplings, and equipment ports in residential and commercial plumbing and heating piping systems.
Installation is performed by licensed plumbers or pipefitters following applicable IPC and local plumbing code requirements. Shut off and depressurize the supply line before removing or installing any threaded fitting. Apply an appropriate thread sealant or PTFE tape to the male threads before assembly. Do not over-torque brass fittings, as the material is softer than steel and threads can be damaged.
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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