PARKER Compression Fitting Union: 1/4 in OD x 1/4 in OD Size
The PARKER Compression Fitting Union (MPN P4UC4) is a polypropylene compression tube fitting with a 1/4 in OD x 1/4 in OD size and Compression x Compression type. It meets NSF/ANSI 51 standards, ensuring suitability…
SKU 3G-OTH-473859
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Product Description
The PARKER Compression Fitting Union (MPN P4UC4) is a polypropylene compression tube fitting with a 1/4 in OD x 1/4 in OD size and Compression x Compression type. It meets NSF/ANSI 51 standards, ensuring suitability for specified applications.
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, using compression x compression ends. It is commonly used in fluid handling systems where a leak-tight, removable joint is needed, such as in instrumentation, water treatment, or food-grade applications.
What are the specifications of the PARKER P4UC4 compression fitting?
The PARKER P4UC4 is a polypropylene compression tube fitting union with 1/4 in OD x 1/4 in OD size and Compression x Compression type. It meets NSF/ANSI 51 standards, making it suitable for food-contact and sanitary applications. The manufacturer part number is P4UC4.
Where to buy PARKER compression fittings in worldwide?
3G Electric supplies PARKER compression fittings like the P4UC4 union 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 or any PARKER fitting.
How to install a PARKER compression fitting union?
To install a PARKER compression fitting union, slide the nut and ferrule onto the tube, insert the tube fully into the fitting body, then tighten the nut by hand until snug. Use a wrench for an additional 1/4 to 1/2 turn. Do not overtighten, as polypropylene can crack. Always follow manufacturer guidelines.
Used in
Common applications for PARKERPARKER Products
3G Electric supplies PARKER polypropylene compression tube fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









