Stainless Steel Flange Manufacturers Guide
Finding reliable stainless steel flange manufacturers in your region requires understanding material grades, industry certifications, and application-specific requirements for food grade, marine, and industrial uses.
Food Grade Sanitary Stainless Steel Flanges
Food and beverage, pharmaceutical, and biotech industries require sanitary flanges that meet strict hygiene standards.
Требования к материалам
- Grade: 304/304L or 316/316L stainless steel
- Surface Finish: Ra ≤ 0.8μm (32 Ra) for product contact
- Polishing: Electropolished or mechanically polished
- Certification: FDA 21 CFR 177, EC 1935/2004
Sanitary Flange Types
- Tri-Clamp: Quick disconnect, dairy industry standard
- DIN 11851: European dairy standard
- ISO 2852: International sanitary standard
- SMS: Scandinavian standard
Приложения
- Dairy processing equipment
- Beverage production lines
- Фармацевтическое производство
- Biotech fermentation systems
- Food processing piping
Corrosion Resistant Flanges for Marine Use
Marine and offshore applications demand superior corrosion resistance against saltwater and harsh environments.
Рекомендуемые материалы
| Материал | Приложения | PREN |
|---|---|---|
| 316L | General marine, boat fittings | 24-26 |
| 2205 Duplex | Offshore platforms, seawater | 32-38 |
| 2507 Super Duplex | Deep sea, high chloride | 40-45 |
| 904L | Химические танкеры | 34-38 |
Морское применение
- Shipbuilding and marine engineering
- Offshore oil and gas platforms
- Опреснительные установки
- Системы охлаждения морской водой
- Port and harbor infrastructure
Custom Size Flange Fabrication
For industrial pipeline projects requiring non-standard dimensions:
Параметры настройки
- Oversized Flanges: Up to 4 meters diameter
- Special Pressure Classes: Custom ratings
- Unique Drilling: Нестандартные формы болтов
- Special Alloys: Hastelloy, Inconel, Monel
- Heat Treatment: Solution annealing, aging
Manufacturing Capabilities
- CNC machining for precision dimensions
- Plate rolling for large diameters
- Forging for high-pressure applications
- Welding and assembly services
Stainless Steel Grade Selection
304/304L (Most Common)
- General corrosion resistance
- Food and pharmaceutical grade
- Cost-effective option
- Temperature: -200°C to 800°C
316/316L (Marine Grade)
- Superior chloride resistance
- Marine and chemical applications
- Molybdenum addition (2-3%)
- Better high-temperature strength
321 (High Temperature)
- Titanium stabilized
- Prevents carbide precipitation
- Welding applications
- Temperature up to 900°C
Export Certifications
- CE Marking: European market requirement
- PED: Pressure Equipment Directive
- ISO 9001: Quality management
- EN 10204 3.1: Material inspection certificate
- SGS/BV Inspection: Third-party verification
DN100 Flange Common Sizes
| Стандарт | Класс | OD | БК | Болты |
|---|---|---|---|---|
| ASME B16.5 | 150 | 229mm | 191mm | 8xM16 |
| EN 1092-1 | PN16 | 220mm | 180mm | 8xM16 |
| JIS B2220 | 10K | 210mm | 175mm | 8xM16 |
| GB/T 9115 | PN16 | 220mm | 180mm | 8xM16 |
Lead Time and MOQ
- Standard Items: 7-15 days
- Custom Sizes: 20-30 days
- MOQ: 10-50 pieces (negotiable)
- Sample: Available within 3-5 days
Songhai Flange manufactures stainless steel flanges for food grade, marine, and industrial applications with full export certifications. Contact us for custom fabrication and wholesale pricing.
WhatsApp: +86-18658777855
Электронная почта: 1007788887@qq.com
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