GB DIN JIS Concentric Reducer Wall Thickness Sch5-SCH160 High Corrosion Resistance
ASTM, AISI, GB, DIN, JIS Stainless Steel Butt Welded Fittings concentric weld reducer
►Products Description
Our stainless steel butt welded concentric reducers represent the perfect combination of precision engineering and industrial durability. Manufactured from high-grade 304/316/316L stainless steel, these reducers ensure smooth diameter transitions in high-pressure piping systems while maintaining optimal flow characteristics.
Key Product Advantages:
- Precision Flow Control: The true concentric design minimizes turbulence and pressure loss for maximum system efficiency
- Superior Material Quality: Manufactured from certified stainless steel with excellent corrosion and erosion resistance
- Strict Compliance: Conforms to ASME B16.9, ANSI B16.25, ASTM A403 standards
- Versatile Applications: Ideal for oil & gas, chemical processing, power generation, and water treatment systems
Our Manufacturing Superiority:
- State-of-the-art production facilities with advanced CNC machining and automated welding
- Rigorous quality control including hydrostatic testing, dimensional checks, and material certification
- Custom engineering capabilities for special sizes, thicknesses, and material grades
Inventory & Supply Chain Strength:
- One of the industry's largest ready stock with immediate availability of standard sizes from 1/2" to 48"
- Complete schedule coverage including SCH 10S, 40S, 80S, and heavier wall thicknesses
- Rapid delivery network ensuring just-in-time supply for urgent project requirements
►Industry-specific attributes
| Place of Origin | China |
| Brand name | Yuhao |
| Connectivity | Welding |
| Size | 1/2" up to 110" |
| Wall thickness | SCH 5s-SCH XXS |
| customized Support | ASTM DIN EN BS JIS GOST etc. |
| Surface treatment | Sand blasting, Roll blasting, Pickled or Polished |
| Type | Concentric, Eccentric |
| Pressure | High Pressure |
| Packing | Cartons, Pallet, Cases |
►Product Size
| DN | NPS | OD | Nominal Wall Thickness | ||||||||||
| Schss | Sch10S | Sch405 | Sch8os | Sch10 | Sch20 | Sch30 | STD | Sch40 | Sch60 | XS | |||
| 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 |
►Shot Shoot
►FAQ
Q1: How is the quality?
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.
Q2: What is your minimum order quantity?
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.
Q3: Can I customize products?
A: Yes. Let me know the specific customization requirements, and I will get back to you as soon as possible.
Q4: Do you provide samples ? Is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q5: How is the after-sales service?
A: Quality are promised. If our products are not meet the contract we would like to send free goods to you.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.


