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EN 10253-2Butt weld fittingsTG-DS-076 · Rev. 0 · October 2026

EN 10253 / DIN 2615 Tee Dimensions

This chart gives EN 10253-2 equal tee dimensions in millimetres — centre-to-end F for the run and branch. EN 10253 replaced DIN 2615.

Teshi Group manufactures EN 10253 / DIN pattern tees in India.

Download PDF Request a quoteA4 · Teshi Group document TG-DS-076 · © Teshi Group · controlled document
Butt weld tee dimension drawing showing run C and outlet MFFFStraight or reducing tee (not to scale)
C is centre-to-end of the run; M is centre-to-end of the outlet.

Key to dimensions

D
Pipe outside diameter
F
Centre to end of run and branch

EN 10253 / DIN 2615 Tee Dimensions — tables

EN 10253-2 equal tees (mm)

EN 10253-2 equal tees (mm)
DNDPipe ODFCentre to end
1521.325
2026.929
2533.738
3242.448
4048.357
5060.364
6576.176
8088.986
90101.695
100114.3105
125139.7124
150168.3143
200219.1178
250273216
300323.9254
350355.6279
400406.4305
450457343
500508381
550559419
600610432
650660495
700711521
750762559
800813597
850864635
900914673
10001016749
10501067762
11001118813
11501166851
12001219889

Notes

  • All dimensions are in millimetres.
  • Reducing tees use the same centre-to-end F as the equal tee of the larger size in most patterns; confirm for your outlet.
  • Values are nominal, compiled from published copies of the standard; blank cells (—) are values not confirmed from the sources available. Verify against the current edition before design, purchase or fabrication.

Reference information compiled from the published standard for convenience. It does not replace the current edition of the governing standard, which takes precedence. Verify critical dimensions and properties before design, purchase or fabrication. Teshi Engineers & Sales Promoters (P) Ltd accepts no liability for errors or omissions.

Dimension finder

Pick a product, standard and size — or just type — to see every dimension and download a watermarked PDF for that one size.

EN 10253 / DIN 2615 Tee Dimensions — size by size

Every size has its own page with a drawing, mm and inch values and a one-size PDF.

Equivalent and related standards to EN 10253 / DIN 2615 Tee Dimensions

All equivalents
RegionStandardRelationship
EuropeEN 10253-2 / EN 10253-4Butt-welding fittings, carbon/alloy and stainless — Type B to ASME B16.9 dimensions
ChinaGB/T 12459Seamless butt-welding fittings — dimensions aligned with ASME B16.9
ChinaGB/T 13401Welded butt-welding fittings from plate
ChinaSH/T 3408Petrochemical butt-welding fittings
JapanJIS B2311 / B2312 / B2313Butt-welding fittings for ordinary use, for pressure use, and from plate
USAMSS SP-75High-yield butt-welding fittings for pipelines
USAASME B16.28 (withdrawn)Short-radius elbows, now in B16.9

Teshi Group manufactures flanges and fittings to all of these standards on request, including Chinese GB / HG / SH and European EN dimensions for export projects. Always confirm bolting, facing and thickness when substituting one standard for another.

FAQ

EN 10253 / DIN 2615 Tee dimensions: common questions

What is the centre-to-end of a DN 100 EN 10253 tee?

A DN 100 (OD 114.3) equal tee to EN 10253-2 has a centre-to-end F of 105 mm.

Is EN 10253 the same as DIN 2615?

EN 10253-2 / -4 replaced DIN 2615; main dimensions were carried over, so DIN 2615 tees and EN 10253 tees are generally interchangeable.

Does Teshi Group make EN 10253 tees?

Yes — EN 10253 / DIN 2615 equal and reducing tees in carbon, alloy and stainless steel.

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