GB DIN JIS ASTM AISI Stainless Steel Concentric Reducer Butt Welded Fittings
| Attribute | Value |
|---|---|
| Wall Thickness | Sch5-SCH160 |
| Standard | ASTM, AISI, GB, DIN, JIS |
| Surface Finish | Polished, Brushed, Matte, Sandblasted |
| Material | 304, 304l, 316, 316, 321, 347h, 310s, s31803, 2205, etc. |
| Pipe Fitting Type | Concentric reducer |
| Connection Type | Butt Welded |
| Application | Oil, Gas, Chemical, Petrochemical, Power, Industrial Piping, Medical Equipment, Shipbuilding |
| Diameter Range | DN15-DN900 |
| Brand Name | Yuhao |
| Corrosion Resistance | High Corrosion Resistance |
| Place of Origin | China |
| Size | 1/2" up to 110" |
| End | Bevel end ANSI B16.25 |
| Package | Wooden box or Pallet or carton |
Our Stainless Steel Butt Welded Concentric Reducer represents the pinnacle of flow control engineering, designed to deliver seamless diameter transitions in critical piping systems. Manufactured from high-grade stainless steel (304/304L, 316/316L, 321, 310S), this precision component ensures optimal fluid dynamics while maintaining system integrity under extreme pressures and temperatures.
- Precision Flow Control: The true concentric design eliminates turbulence, reducing energy loss and preventing cavitation in high-velocity applications
- Industrial-Grade Construction: Available in schedules from SCH 10S to SCH XXS, with pressure ratings up to 9000 PSI for demanding process conditions
- Corrosion-Resistant Performance: Electropolished and pickled surface finishes available for enhanced resistance to pitting and stress corrosion cracking
- Certified Quality: Fully compliant with ASME B16.9, ASTM A403, and ANSI B36.19 standards, with full traceability and MTC documentation
- State-of-the-Art Production: Our 50,000 sqm facility features automated orbital welding systems and CNC machining centers for micron-level precision
- Industry-Leading Inventory: Maintain over 15,000 SKUs in stock, including all standard sizes from 1/2" to 48" with immediate shipment availability
- Custom Engineering Solutions: Specialized in producing non-standard reducers
- Global Logistics Network: 72-hour guaranteed delivery to major industrial centers worldwide through our integrated supply chain
| DN | NPS | OD | Nominal Wall Thickness |
|---|---|---|---|
| 6 | 1/8 | 10.3 | - | 1.24 | 1.73 | 2.41 | - | - | - | 1.73 | 1.73 | - | 2.41 |
| 8 | 1/4 | 13.7 | 1.65 | 2.24 | 3.02 | - | - | - | 2.24 | 2.24 | - | 3.02 |
| 10 | 3/8 | 17.1 | - | 1.65 | 2.31 | 3.2 | - | - | - | 2.31 | 2.31 | - | 3.2 |
| 15 | 1/2 | 21.3 | 1.65 | 2.11 | 2.77 | 3.73 | - | - | - | 2.77 | 2.77 | - | 3.73 |
| 20 | 3/4 | 26.7 | 1.65 | 2.11 | 2.87 | 3.91 | - | - | - | 2.87 | 2.87 | - | 3.91 |
| 25 | 1 | 33.4 | 1.65 | 2.77 | 3.38 | 4.55 | - | - | - | 3.38 | 3.38 | - | 4.55 |
| 32 | 1 1/4 | 42.2 | 1.65 | 2.77 | 3.56 | 4.85 | - | - | - | 3.56 | 3.56 | - | 4.85 |
| 40 | 1 1/2 | 48.3 | 1.65 | 2.77 | 3.68 | 5.08 | - | - | - | 3.68 | 3.68 | - | 5.08 |
| 50 | 2 | 60.3 | 1.65 | 2.77 | 3.91 | 5.54 | - | - | - | 3.91 | 3.91 | - | 5.54 |
| 65 | 2 1/2 | 73 | 2.11 | 3.05 | 5.16 | 7.01 | - | - | - | 5.16 | 5.16 | - | 7.01 |
| 80 | 3 | 88.9 | 2.11 | 3.05 | 5.49 | 7.62 | - | - | - | 5.49 | 5.49 | - | 7.62 |
| 90 | 3 1/2 | 101.6 | 2.11 | 3.05 | 5.74 | 8.08 | - | - | - | 5.74 | 5.74 | - | 8.08 |
| 100 | 4 | 114.3 | 2.11 | 3.05 | 6.02 | 8.56 | - | - | - | 6.02 | 6.02 | - | 8.56 |
| 125 | 5 | 141.3 | 2.77 | 3.4 | 6.55 | 9.53 | - | - | - | 6.55 | 6.55 | - | 9.53 |
| 150 | 6 | 168.3 | 2.77 | 3.4 | 7.11 | 10.97 | - | - | - | 7.11 | 7.11 | - | 10.97 |
| 200 | 8 | 219.1 | 2.77 | 3.76 | 8.18 | 12.7 | - | 6.35 | 7.04 | 8.18 | 8.18 | 10.31 | 12.7 |
| 250 | 10 | 273 | 3.4 | 4.19 | 9.27 | 12.7 | - | 6.35 | 7.8 | 9.27 | 9.27 | 12.7 | 12.7 |
| 300 | 12 | 323.8 | 3.96 | 4.57 | 9.53 | 12.7 | - | 6.35 | 8.38 | 9.53 | 10.31 | 14.27 | 12.7 |
| 350 | 14 | 355.6 | 3.96 | 4.78 | - | - | 6.35 | 7.92 | 9.53 | 9.53 | 11.13 | 15.09 | 12.7 |
| 400 | 16 | 406.4 | 4.19 | 4.78 | - | - | 6.35 | 7.92 | 9.53 | 9.53 | 12.7 | 16.66 | 12.7 |
| 450 | 18 | 457 | 4.19 | 4.78 | - | - | 6.35 | 7.92 | 11.13 | 9.53 | 14.27 | 19.05 | 12.7 |
| 500 | 20 | 508 | 4.78 | 5.54 | - | - | 6.35 | 9.53 | 12.7 | 9.53 | 15.09 | 20.62 | 12.7 |

A: Quality is priority. We pay much attention to the quality check. Every product will be fully assembled and carefully tested before it's packed for shipment.
A: The MOQ for each product is different, so it would be recommended to refer to the detail page of the product you are interested in. If you need further clarification, send me the product link, and I will reply as soon as possible.
A: We can accept TT, LC, DP, DA, Western Union or Negotiation.
A: Our factory is located in Wenzhou City, Zhejiang Province, China.
A: Quality are promised. If our products are not meet the contract we would like to send free goods to you.
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