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3/4″ Brass Compression Union for Water/Oil/Gas

$13.29 on Amazon.com (as of October 19, 2026, 11:17 PM EST) View details ↗

The **Bumugufu 3/4″ Brass Compression Union Connector** delivers a reliable, leak-proof solution for connecting 3/4″ OD tubing in water, oil, gas, and fuel line applications. Crafted from durable brass, this fitting ensures low magnetic permeability and superior high-temperature performance, making it ideal for demanding industrial and automotive systems. Its precision-engineered design features tight inner-diameter ferrules that create a secure radial seal with minimal effort—just a ½-turn after reaching the pressure point guarantees a tight, tool-free connection.

Versatile and easy to install, this compression fitting works with both non-corrosive and corrosive pipeline systems. Simply cut your steel tubing to the correct length, remove any burrs, and slide the fitting into place for a hassle-free assembly. Perfect for transmission lines, fuel systems, or general plumbing, this connector combines durability with simplicity, reducing downtime and maintenance costs. Each package includes **one 3/4″ x 3/4″ brass compression union**, ready for immediate use in your next project.

MaterialBrass
Size3/4″ OD x 3/4″ OD
Installation MethodCompression (½-turn after pressure point)
CompatibilitySteel tubing (cut to length, burr-free)
ApplicationsWater, oil, gas, fuel lines, transmission systems
Sealing MechanismRadial shrinkage + thread interlocking
Does this fitting work with copper or aluminum tubing?
This connector is specifically designed for **steel tubing** and may not provide a secure seal with copper or aluminum due to material compatibility differences.
How tight should the fitting be when installed?
A simple **½-turn after reaching the pressure point** is all that’s needed—no overtightening is required for a secure seal.
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