Galvanized pipe fitting, 3/4-inch tee, by Pro Fire and Safety, showing a metal pipe fitting with threaded ends.

3/4" Tee Galvanized

$1.96
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Description

The 3/4" Galvanized Pipe Tee is a reinforced 3-way junction engineered for industrial cooling tower loops and large-scale thermal management systems. Unlike standard fittings that degrade under constant moisture, this tee is treated with a hot-dip galvanized finish, creating a sacrificial zinc barrier that actively resists the rust-bleed common in unconditioned mechanical rooms.

Designed for high-volume HVAC fluid distribution, the 3/4" tee features three precision-machined female NPT ports. This allows for the seamless branching of supply lines to heat exchangers or sensors without the turbulence typical of lower-grade castings. The Schedule 40 wall thickness ensures that the fitting remains a reliable component under the constant hydraulic momentum changes and mechanical vibrations found in commercial pumping stations and industrial washdown headers.

Material Grade ASTM A197 Malleable Iron / A53 Steel
Finish Standard Hot-Dip Galvanized (ASTM A153)
Nominal Pipe Size 3/4" (NPS)
Connection Style 3-Way Female NPT Threaded
Pressure Rating 150 PSI WOG / 300 PSI Static
Wall Schedule Schedule 40 (Standard Wall)

Does the 3/4" tee impact flow rates in multi-fixture loops?
When used in commercial fixture manifolds, the internal bore is smoothed to prevent laminar flow disruption. To maintain maximum GPM efficiency, the primary supply should follow the "Run" (straight path), while the "Branch" (90-degree exit) is utilized for the individual equipment drop.

Is this tee safe for high-pressure cooling tower make-up lines?
Yes. The zinc-bonded molecular layer is specifically engineered for high-humidity environments. For cooling tower make-up lines, this tee provides the necessary structural rigidity to withstand the water hammer and chemical additives used in industrial water treatment.

Can I use a 3/4" galvanized tee for outdoor agricultural irrigation?
The 3/4" size is the industry standard for agricultural riser branch points. Its galvanized exterior allows for burial in moist soil or exposure to the elements, preventing the pitting corrosion that often leads to failure in standard black steel or lightweight alloy fittings.

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