A hygienic equal tee is a three-way, T-shaped fitting used in sanitary pipework to divert or combine product flow where all three connections have the same diameter. It is crucial for maintaining the highest levels of cleanliness in food, beverage, and pharmaceutical processes.
Key Features and Standards
Hygienic equal tees are designed to be crevice-free to prevent bacterial accumulation and ensure efficient Clean-In-Place (CIP) procedures.
Material: Primarily manufactured from high-grade stainless steel, typically AISI 304L or AISI 316L. The 316L grade is highly regarded for its enhanced corrosion resistance, making it suitable for more aggressive media or cleaning agents.
Surface Finish: The internal surface is critical and is polished to a smooth finish to reduce microbial adhesion. This is often achieved by internal "bead rolling" or grinding down the internal weld seams.
Standards: The manufacturing process adheres to strict international standards such as BS 4825 Part 2, EN 10357 (formerly DIN 11852), and ISO 2037.
Design: The term "equal" means all three ports (main run and branch) have the same outer diameter (OD) and wall thickness, ensuring consistent flow dynamics.
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