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The MIDLAND INDUSTRIES 7040-08-12 is a straight threaded adapter designed to connect a 1/2-inch Female NPT port to a 3/4-inch Male BSPT port in a single inline fitting. Constructed from steel, this adapter is built for hydraulic and fluid system applications where NPT and BSPT thread standards must interface. The 1/2-inch side carries a 1/2-14 thread pitch, and the 3/4-inch BSPT side carries a 3/4-14 thread pitch. Plumbers, pipefitters, and hydraulic system technicians install this type of adapter when connecting components manufactured to different international thread standards.
This adapter is suited for hydraulic systems and piping assemblies where components sourced from different regional markets use BSPT and NPT thread forms. Typical installations include industrial fluid lines, hydraulic power units, and cross-standard pipe assemblies in commercial or light industrial settings. The steel construction makes it appropriate for moderate-pressure hydraulic service. It falls within the 7040 Series of female pipe to male BSPT adapters and is cataloged under steel BSPT adapter products.
Designed as an OEM-style hydraulic adapter for systems requiring a Female NPT to Male BSPT straight connection in steel construction.
Installation should be performed by a qualified pipefitter, plumber, or hydraulic technician familiar with NPT and BSPT thread standards. De-pressurize and isolate the fluid system completely before removing or installing any threaded adapter. Apply appropriate thread sealant compatible with BSPT parallel or tapered threads as required by the application - NPT and BSPT are not interchangeable thread forms and sealant selection matters for leak-free assembly. Follow all applicable local plumbing and hydraulic system codes during installation.
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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