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The MIDLAND INDUSTRIES 9033-12-08 is a steel hydraulic coupling designed to connect two female British Standard Parallel Pipe (BSPP) threaded lines of differing sizes. The larger port accepts a 3/4-inch Female BSPP connection with a 3/4-14 thread, while the smaller port accepts a 1/2-inch Female BSPP connection with a 1/2-14 thread. At 0.27 pounds, this compact fitting measures approximately 1.4 inches in length and 1.4 inches in width. It is part of Midland's 9033 Series Female BSPP Coupling line and is installed by hydraulic technicians, plumbers, and pipefitters working on hydraulic systems and fluid-transfer assemblies.
This coupling is suited for hydraulic systems and industrial fluid lines where BSPP threaded connections are specified. The reducing configuration - 3/4-inch to 1/2-inch - makes it useful when transitioning between two different line sizes within the same BSPP-threaded circuit. It is most commonly found in commercial and industrial installations where metric or international plumbing standards are in use, including equipment imported from European and Asian markets that specify BSPP threading rather than NPT.
Designed as an OEM-style hydraulic fitting for systems with British Standard Parallel Pipe threaded ports, where a reducing Female BSPP x Female BSPP inline coupling is required.
This fitting is typically installed by licensed pipefitters, hydraulic technicians, or journeyman plumbers working on hydraulic or industrial fluid systems. Depressurize and drain the line completely before removing any existing fittings or installing this coupling. BSPP threads seal on a mating face or with a bonded seal - do not apply tapered-thread sealant compounds intended for NPT fittings, as this can cause improper seating and leaks. Verify thread type and pitch before installation, as BSPP and BSP tapered (BSPT) threads are not interchangeable.
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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