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The PARKER 5-5 HBZ-SS is a compression tube union designed to join two compression-end tubing runs in a single inline fitting. Constructed from stainless steel, this union delivers a maximum working pressure of 8100 psi, making it suitable for high-pressure instrumentation, hydraulic, and fluid-handling lines. The compression-by-compression end connections allow for a secure, leak-resistant joint without welding or special tooling. Plumbers, pipefitters, and instrumentation technicians install this fitting in applications where corrosion resistance and pressure integrity are both required.
This union is well suited for use in industrial process lines, instrumentation tubing systems, and fluid control circuits where stainless steel is specified for compatibility with aggressive media or high-purity requirements. The compression fitting style makes it a common choice in tight quarters where tube flaring or soldering is not practical. It is sold and packaged as a single unit.
Designed as an OEM-style compression tube union for use in high-pressure instrumentation and fluid-handling systems that require compression-style stainless steel fittings.
This fitting is installed by qualified pipefitters or instrumentation technicians. Before installation, depressurize and isolate the tubing circuit completely. Ensure tubing ends are cut square and deburred before seating into the compression ferrule. Follow the fitting manufacturer torque and assembly guidelines and verify the completed joint is leak-free before returning the system to service.
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