From the published catalog data:
– **Series / Codes**: PT series (e.g. PT0.5, PT1, PT2, … PT12) for equal-diameter tees
– **DN and Length (L)**:
• PT0.5: DN 12, L 50
• PT1*: DN 25, L 100
• PT3: DN 80, L 200
• PT12: DN 300, L 450
– **Also Unequal Tees (reducing tees)**: The catalog also lists PTU variants (e.g. PTU1/0.5, PTU2/1.5, etc.) with different branch sizes, including DN, DN1, L, and L1.
– **Material**: Borosilicate glass construction
– **Vacuum / Pressure Compatibility**: Designed to the same pipeline system standards
– **Design Notes**: Some items are marked as “available fast” in the catalog listings
– **Symmetry**: All ports equal in dimension for standard PT (equal) series