Reducer Fittings Catalog - ASME B16.9
Optimized reduction components and technical solutions for pipe diameter transitions
Reducer Types
ASME B16.9 Standard
Concentric Reducer
Axially aligned, symmetrical flow transition fitting for standard pipe reduction.
Pressure Class
150# - 3000#
Temperature Range
-196°C ~ +815°C
Size Range
1/2" x 1/4" - 48" x 24"
Standards
ASME B16.9, MSS SP-75, EN 10253, DIN 2616
Reduction Ratios:
1:22:33:41:1.5Özel Oran
ASME B16.9 Standard Dimensions
| Nominal Size | Large OD (mm) | Small OD (mm) | Thickness (mm) | Length (mm) |
|---|---|---|---|---|
| 1" x 1/2" | 33.4 | 21.3 | 3.38 | 51 |
| 2" x 1" | 60.3 | 33.4 | 3.91 | 64 |
| 4" x 2" | 114.3 | 60.3 | 6.02 | 76 |
| 6" x 4" | 168.3 | 114.3 | 7.11 | 89 |
| 8" x 6" | 219.1 | 168.3 | 8.18 | 102 |
| 12" x 8" | 323.9 | 219.1 | 10.31 | 152 |
| 16" x 12" | 406.4 | 323.9 | 12.70 | 203 |
Main Features
- Axial alignment
- Low flow resistance
- Even pressure distribution
- Easy installation
- Standard dimensions
- High efficiency
Application Areas
- Vertical pipelines
- Pump outlets
- Tank connections
- General piping
- HVAC systems
- Water lines
Flow Characteristics
Flow Coefficient (K)
K = 0.3-0.6
Pressure Drop
Very Low
Velocity Change
Gradual
Energy Loss
Minimal
Design Features
- Symmetrical conical design
- Smooth internal surface
- Axially concentric transition
- Prepared welding ends
- Hydrodynamic optimization
- Test compliance
Technical Notes
- Preferred for vertical lines.
- Prevents air bubble accumulation.
- Fluid velocity changes gradually.
- Pressure drop is minimal.
Detailed Technical Information and Quotation
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