Stainless Steel Weld Neck Flange - Seamless Weld Design, Heavy-Duty for Critical Industrial Piping
Price:
Negotation
MOQ:
100KGS
Delivery Time:
2-10 work days
Brand:
Yuhao
Product Description
Stainless Steel Weld Neck Flange
Product Overview
Premium stainless steel weld neck flange featuring a continuous tapered neck design for seamless fusion with pipes, creating robust structural connections. Manufactured from high-grade 304/316L stainless steel, with 316L offering superior resistance to chlorides and acids for demanding industrial applications.
Key Features & Benefits
- Optimized stress distribution through tapered neck design
- Eliminates stress concentration points in high-pressure, high-temperature environments
- Seamless weld construction reduces fluid turbulence and pressure drop
- Raised face/RTJ sealing ensures airtight performance and prevents media leakage
- Compliant with ASME B16.5, EN 1092-1, and JIS B2220 standards
- Rigorous non-destructive testing including ultrasonic and radiographic inspection
- Advanced forging and machining technologies for superior quality
Applications
Ideal for critical extreme-condition applications including offshore oil & gas platforms, refineries, nuclear power plants, and heavy chemical facilities where uncompromising strength, reliability, and corrosion resistance are essential.
Product Specifications
| DN | Pipe OD | Connection Size | Flange Thickness (mm) | Flange ID | Flange OD | Bolt Hole Circle Diameter |
|---|---|---|---|---|---|---|
| 10 | 17.2 | 14 | 14 | 18 | 90 | 60 |
| 15 | 21.3 | 18 | 14 | 22.5 | 95 | 65 |
| 20 | 26.9 | 25 | 16 | 27.5 | 105 | 75 |
| 25 | 33.7 | 32 | 16 | 34.5 | 115 | 85 |
| 32 | 42.4 | 38 | 18 | 43.5 | 140 | 100 |
| 40 | 48.3 | 45 | 18 | 49.5 | 150 | 110 |
| 50 | 60.3 | 57 | 19 | 61.5 | 165 | 125 |
| 65 | 76.1 | 76 | 20 | 77.5 | 185 | 145 |
| 80 | 88.9 | 89 | 20 | 90.5 | 200 | 160 |
| 100 | 114.3 | 108 | 22 | 116 | 220 | 180 |
| 125 | 139.7 | 133 | 22 | 143.5 | 250 | 210 |
| 150 | 168.3 | 159 | 24 | 170.5 | 285 | 240 |
| 200 | 219.1 | 219 | 24 | 221.5 | 340 | 295 |
| 250 | 273 | 273 | 26 | 276.5 | 395 | 350 |
| 300 | 323.9 | 325 | 26 | 328 | 445 | 400 |
| 350 | 355.6 | 377 | 28 | 360 | 505 | 460 |
| 400 | 406.4 | 426 | 32 | 411 | 565 | 515 |
| 450 | 457 | 480 | 36 | 462 | 615 | 565 |
| 500 | 508 | 530 | 38 | 513.5 | 670 | 620 |
| 600 | 610 | 630 | 42 | 616.5 | 780 | 725 |
Product Images
Frequently Asked Questions
Q: What is your delivery time?
A: 1-7 days for small orders, 10-20 days for large orders.
Q: Are you a manufacturer or trading company?
A: We are both a manufacturer and trading company with over 12 years of export experience.
Q: What is your minimum order quantity?
A: MOQ varies by product. Please refer to the specific product detail page or contact us with the product link for clarification.
Q: Do you provide samples? Are they free?
A: Yes, we offer samples free of charge, but customers are responsible for freight costs.
Q: How long is your production lead time?
A: Typically 5-10 days for in-stock items, or 15-20 days for non-stock items, depending on quantity.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Zhejiang Yuhao Stainless Steel Co., Ltd
Location
NO.81, LIUZHAI SECTION, LUODONG SOUTH ROAD, YONGZHONG STREET, LONGWAN DISTRICT, WENZHOU, CHINA
Contact Person
Department 1