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The PARKER 8-6 HBZ-B is a brass compression tube union designed to join two compression-end tubing runs in a single inline fitting. It creates a leak-resistant, re-makeable connection without soldering or welding. Rated to 2200 psi maximum working pressure, this union is built to ASME-SB75 and ASTM-B75 brass standards, confirming material quality and dimensional compliance. The overall length is 1.91 inches. Plumbers, HVAC technicians, and industrial pipe fitters install this fitting wherever a straight union connection is needed between two compression tube ends.
This compression tube union suits residential and light commercial installations where copper or compatible tubing runs require a union joint. Typical applications include instrumentation lines, refrigeration tubing, hydraulic control lines, and general fluid system plumbing. The compression-by-compression end configuration allows installation in tight spaces without a torch, making it practical for service work and new construction alike. It packages as a single unit with a minimum order quantity of one.
Designed as an OEM-style replacement and standard inline union for compression tube systems. This fitting also carries Swagelok Part Number B-810-6-6, which may assist cross-referencing in systems originally specified to that number.
Installation is performed by licensed plumbers or qualified HVAC and instrumentation technicians. Shut off system pressure and depressurize the line fully before disassembling or installing any compression fitting. Verify tubing is cut cleanly and squarely, and that tubing outer diameter is compatible with the fitting before tightening the compression nut. Follow applicable IPC or ASME B31 piping code requirements for the specific fluid service and pressure rating of the installation.
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