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The MIDLAND INDUSTRIES 51070 is a seamless Schedule 80 pipe nipple designed for high-pressure fluid and gas distribution systems. Machined from 304 stainless steel, it features 1/2-inch male pipe thread (MPT) connections on both ends with a 1/2-14 thread form conforming to ANSI/ASME B1.20.1. At 6 inches in length and rated to 3000 psi at a 3000 lb pressure class, this nipple is built for demanding service in plumbing, mechanical, and industrial piping systems. Its seamless construction eliminates weld seams, reducing the risk of stress failure under pressure. Licensed plumbers and pipefitters are the primary installers.
The 51070 is suited for residential and commercial applications where corrosion resistance and high-pressure integrity are required. Approved media include air, water, oil, natural gas, and steam, making it versatile across HVAC, plumbing, and light industrial installations. The 304 stainless steel body resists rust and chemical attack in both wet and dry service environments. The SCH 80 wall thickness provides added durability compared to standard-weight nipples, particularly in steam and gas lines where pressure surges occur.
Designed for use with air, water, oil, natural gas, and steam piping systems requiring 1/2 in MPT connections and SCH 80 seamless stainless steel fittings.
Installation should be performed by a licensed plumber or pipefitter in accordance with applicable IPC and IFGC code requirements. Shut off and depressurize the system completely before removing or installing any pipe nipple. Apply an appropriate thread sealant or PTFE tape rated for the intended media before making up the joint. Do not overtighten threaded connections, as stainless steel threads are susceptible to 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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