Union Tee

In industrial fluid and pneumatic systems, branch connections are often the points where installation accuracy and sealing reliability are most critical. A poorly matched tee fitting, inconsistent tube connection, or unsuitable material selection can lead to air leakage, pressure loss, increased maintenance frequency, and unnecessary system downtime.

Our Union Tee fittings are designed to create reliable three-way tube connections in pneumatic, air brake, hydraulic, and general fluid handling applications. By integrating three aligned connection ports into one compact body, the fitting allows a main pipeline to branch into an additional circuit while maintaining stable flow paths and simplified installation.

Manufactured with precision-controlled machining and strict dimensional inspection, our Union Tee fittings are supplied to global distributors, OEM manufacturers, and industrial equipment builders requiring consistent performance, repeatable assembly, and reliable long-term supply.

Eliminating Micro-Leakage at High-Pressure Branches
Every additional connection point introduces a potential leak path due to tube relaxation or thermal expansion.
Our Solution:
Our CNC-machined internal tube stops and optimized gripping collets ensure the tubing seats perfectly at the designated depth.
This geometric alignment prevents tube movement and minimizes localized turbulence, preserving consistent volumetric flow rates across all three lines.

Sustaining Mechanical Gripping Force Under Severe Vibration
Commercial vehicle chassis, braking systems, and automated indexing tables subject fittings to continuous shock profiles and pressure spikes.
Our Solution:
For push-to-connect models, we utilize heavy-duty stainless steel lock claws (edge-retaining teeth) that securely grip the outer diameter of the tubing.
For compression-style Union Tees, precision-tapered ferrules distribute clamping force evenly, reducing the risk of tube damage or sudden blow-outs during system pressure fluctuations.

Resolving Tight Space Configurations in Compact Enclosures
Modern automated machinery manifolds and heavy-truck dashboards often provide limited clearance for assembly tools.
Our Solution:
By incorporating an integrated compact single-body layout, our Union Tees reduce the installation footprint of a 3-way branch compared with traditional combinations of threaded tees and additional connectors.
This design simplifies plumbing, shortens installation time, and improves long-term service accessibility.

Premium Brass Union Tees (Alloy CA360 / HPb59-1)
Why It Works:
Excellent machinability allows consistent internal surface finishes and accurate thread or tube connection dimensions.
The material provides reliable corrosion resistance against normal atmospheric moisture and industrial environments.
Primary Applications:

• Fleet air brake auxiliary lines
• Packaging machinery
• Plant air supply networks
• Pneumatic control systems

Stainless Steel Union Tees (Grade AISI 316L / 304)
Why It Works:
Provides improved resistance against:

• Pitting corrosion
• Crevice corrosion
• Chloride exposure

SS316L is commonly selected for applications involving harsh environments and repeated cleaning cycles.
Primary Applications:

• Offshore marine equipment
• Chemical dosing systems
• Food and beverage processing washdown areas

Engineered Composite Union Tees
Why It Works:
Glass-reinforced polymer construction provides:

• Reduced component weight
• Good impact resistance
• Resistance against many industrial detergents and chemicals

Primary Applications:

• Pick-and-place robotic arms
• Semiconductor manufacturing tooling
• Low-pressure fluid transport systems

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