PARKER Compression Fitting Union: 1/4 in OD x 1/4 in OD Fitting Size
The PARKER Compression Fitting Union is a single-ferrule stainless steel fitting with a 1/4 in OD x 1/4 in OD fitting size and Compression x Compression type. Part of the CPI(TM) series (MPN 4-4 HBZ-SS), it is…
SKU 3G-OTH-474472
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Product Description
The PARKER Compression Fitting Union is a single-ferrule stainless steel fitting with a 1/4 in OD x 1/4 in OD fitting size and Compression x Compression type. Part of the CPI(TM) series (MPN 4-4 HBZ-SS), it is compatible with CPI™ fitting brands.
Frequently Asked Questions
What is a PARKER Compression Fitting Union used for?
A PARKER Compression Fitting Union connects two 1/4 in OD tubes in a straight line, providing a leak-tight seal in instrumentation, hydraulic, and pneumatic systems. Its single-ferrule stainless steel design resists corrosion and vibration, making it suitable for high-pressure fluid and gas applications across industrial plants.
What are the specifications of the PARKER 4-4 HBZ-SS compression fitting?
The PARKER 4-4 HBZ-SS is a single-ferrule stainless steel union with Compression x Compression ends, fitting 1/4 in OD tubing on both sides. It belongs to the CPI™ series and is compatible with CPI™ fitting brands. The stainless steel construction provides corrosion resistance for demanding environments.
Where to buy PARKER compression fittings worldwide?
3G Electric supplies PARKER compression fittings like the 4-4 HBZ-SS to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote on this CPI™ series union or other PARKER tube fitting needs.
How to install a single-ferrule compression fitting?
To install a PARKER single-ferrule compression fitting, cut the tube squarely, deburr the end, and slide the nut and ferrule onto the tube. Insert the tube fully into the fitting body, then tighten the nut by hand followed by a wrench to the manufacturer’s recommended turns. Always pressure-test the joint before service.
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Common applications for PARKERPARKER Products
3G Electric supplies PARKER single-ferrule stainless steel fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









