Equal Tees

Equal Tees

Glass equal tees are three-way glass pipeline fittings in which all ports have the same nominal diameter (DN). They are used to split or combine fluid flow symmetrically, ensuring equal distribution or merging without changing pipeline size. Equal tees are a standard component in borosilicate glass pipeline systems where chemical resistance, vacuum compatibility, and visual monitoring are required.

Manufactured from borosilicate glass 3.3, equal tees offer excellent thermal stability, corrosion resistance, and a smooth internal surface for efficient flow.

Equal tees are designed with three identical connections arranged at 90°, allowing uniform branching or joining of pipelines. Their symmetrical geometry makes them ideal for processes requiring balanced flow conditions and consistent hydraulic behavior.

These fittings integrate seamlessly with other glass pipeline components such as pipe sections, bends, reducers, and crosses.

Technical Specifications

Parameter

Specification

Product Type

Equal Tee

Series / Codes

PT Series

Material

Borosilicate Glass 3.3

Port Configuration

3 ports – equal DN

Nominal Diameter (DN)

DN 12 to DN 300 (standard)

Branch Angle

90°

Operating Condition

Full vacuum to mild positive pressure

Surface Finish

Smooth, non-porous internal bore

Chemical Compatibility

Excellent resistance to most chemicals

Transparency

Full visual flow monitoring

Standards

Compatible with glass pipeline systems

Typical Catalogue Dimensions (PT Series)

Series Code

DN (mm)

Length L (mm)

PT0.5

12

50

PT1*

25

100

PT3

80

200

PT12

300

450

Note: Some sizes are marked as fast available in standard catalogues.

Applications

Equal tees are commonly used for:

– Dividing a single flow into two equal branches
– Merging two equal streams into one pipeline
– Symmetrical pipeline network design
– Laboratory and pilot plant glass piping
– Industrial chemical and pharmaceutical process lines

Key Features & Benefits

  • Uniform flow distribution
  • No change in pipe diameter
  • Excellent chemical inertness
  • Smooth internal surface reduces pressure drop
  • Full transparency for visual inspection
  • Suitable for vacuum applications

Related Variants

  • Unequal (Reducing) Tees – PTU Series
    Designed with different DN for main and branch connections, used where flow size reduction or expansion is required.

Customization

Custom equal tees can be supplied with:

  • Special DN sizes
  • Modified lengths (L)
  • Reinforced wall thickness
  • Integration with jacketed pipeline systems

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