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Equal & Reducing Tee
Tees split or combine flow.
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- Equal Tee
- Reducing Tee
Typical Order Examples
ASME B16.9 Reducing Tee 16" × 16" × 10" SCH 80 ASTM A420 WPL6
GOST 17376 Tee 219×10 – 159×8 Steel 20
Standards & Equivalence
ASME B16.9 ↔ EN 10253 ↔ GOST 17376 (Russian CS butt-weld) ↔ GB/T 12459
Size Range
| Common | 1/2" – 48" (DN15 – DN1200) |
|---|---|
| Minimum | 1/2" (DN15) |
| Maximum | Welded tees extend to 72" – 84" (DN1800 – DN2100) |
Certifications & Audit Standards
- PED 2014/68/EU + PED 4.3 · AD 2000-Merkblatt W0
- NACE MR0175 / ISO 15156 sour service — HIC & SSC tested
- NORSOK M-650 for duplex grades
- ASTM A234 / A403 / A420 impact & hardness control
- Marine class: ABS · DNV · LR · BV · CCS
Weight Calculation Formulas
Theoretical weights at carbon steel density 7.85 kg/dm³ — multiply by 1.01 for SS304, 1.02 for SS316L.
| Formula (kg) | |
|---|---|
| Variables |