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The PARKER 4-6 FH2BZ-SS is a stainless steel compression tube bulkhead connector designed to pass tubing through a panel, bulkhead, or partition wall while maintaining a secure, leak-resistant seal. Rated to a maximum working pressure of 10,300 psi, this fitting uses a compression end on one side and a male NPT thread on the other, making it suitable for high-pressure instrumentation, hydraulic, and fluid transfer lines. The 3/8 inch thread size fits standard tubing runs found in industrial, commercial, and marine installations. Plumbers, pipefitters, and instrumentation technicians install this type of fitting where a tube must transition through a structural surface without sacrificing pressure integrity.
This bulkhead connector is suited for high-pressure fluid or gas systems that require a clean panel pass-through. Typical applications include instrumentation panels, process equipment enclosures, hydraulic systems, and compressed gas distribution where stainless steel construction is required for corrosion resistance or sanitary requirements. The compression x MNPT end configuration allows direct connection to NPT-threaded ports on the bulkhead side and a compression tube fitting on the field side, reducing the need for additional adapters.
Designed as an OEM-style replacement or new-installation fitting for high-pressure compression tube systems requiring a bulkhead pass-through with a 3/8 inch compression x MNPT end configuration in stainless steel.
Installation should be performed by a licensed plumber, pipefitter, or qualified instrumentation technician familiar with high-pressure tubing systems. Depressurize and isolate the system completely before removing or installing any fittings. Apply thread sealant or PTFE tape to the male NPT threads per applicable code requirements, and ensure the compression sleeve is properly seated before tightening. Do not exceed the rated working pressure of the fitting or the connected tubing.
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