Large Diameter Flange Fabrication Services
For industrial pipeline projects requiring oversized and custom flanges, professional fabrication services ensure precise dimensions, reliable performance, and international certification compliance.
Custom Size Flange Capabilities
Our manufacturing facility specializes in large diameter flange fabrication for industrial pipeline applications:
Tamaños
- Standard sizes: DN15 to DN600 (NPS 1/2 to 24)
- Large diameter: DN650 to DN4000 (26 to 160 inches)
- Maximum weight: Up to 5 tons per piece
- Thickness: Up to 200mm
Proceso de fabricación
- Material selection and inspection
- Plate cutting and beveling
- Rolling and forming
- Soldadura y montaje
- Tratamiento térmico
- Machining and finishing
- Inspección y pruebas de calidad
Brida con certificación CE para exportación
European market requires CE marking and PED compliance for pressure equipment:
Paquete de certificación
- Marcado CE: Compliance with PED 2014/68/EU
- Notified Body: TUV, BV, SGS certification
- Material Certificates: EN 10204 3.1 MTR
- Pressure Testing: Informes de pruebas hidrostáticas
- Technical File: Complete documentation
- Declaration of Conformity: EU compliance statement
Normas de exportación
- ASME B16.5 / B16.47 (Americas)
- EN 1092-1 (Europe)
- GB/T 9115 (China)
- JIS B2220 (Japan)
- GOST (Russia/CIS)
Brida con servicio de perforación para petróleo y gas
Custom drilling patterns ensure perfect compatibility with existing pipeline infrastructure:
Drilling Capabilities
- CNC drilling machines for precision
- Standard bolt patterns (ASME, EN, JIS, GB)
- Custom drilling per client drawings
- Oversized holes for field adjustment
- Tapped holes for special applications
- Counterboring for flush bolts
Aplicaciones de petróleo y gas
- Equipo de boca de pozo
- Colectores de tuberías
- Tuberías de refinería
- Plataformas marinas
- Terminales de GNL
Exportador de bridas de acero aleado de alta presión
Specialized in high-pressure alloy flanges for extreme conditions:
Alloy Materials
| Grado | Composición | Temp. máx. |
|---|---|---|
| F11 | 1,25Cr-0,5Mo | 550°C |
| F22 | 2,25Cr-1Mo | 580°C |
| F91 | 9Cr-1Mo-V-Nb | 620°C |
| F5 | 5Cr-0,5Mo | 600°C |
| F9 | 9Cr-1Mo | 650°C |
Clases de presión
- Class 600: Up to 110 bar working pressure
- Clase 900: hasta 165 bar
- Clase 1500: hasta 276 bar
- Clase 2500: hasta 460 bar
Quality Control and Testing
Procedimientos de inspección
- Dimensional inspection (CMM)
- Visual testing (VT)
- Magnetic particle testing (MT)
- Liquid penetrant testing (PT)
- Ultrasonic testing (UT)
- Radiographic testing (RT)
- Pruebas de dureza
- Impact testing (Charpy V-notch)
Documentación
- Material test reports (MTR)
- Tablas de tratamiento térmico
- Informes de ensayos no destructivos
- Informes de inspección dimensional
- Certificados de pruebas de presión
- Informes de inspección de terceros
Packaging and Shipping
- Wooden crates for ocean freight
- Protective coating on sealing faces
- Bolt hole protectors
- Clear marking and labeling
- Container loading optimization
Lead Time and Capacity
- Standard flanges: 7-15 days
- Diámetro grande: 20-30 días
- Custom alloy: 30-45 days
- Monthly capacity: 500+ tons
Songhai Flange provides large diameter flange fabrication services with CE certification for global export. Contact us for custom drilling, alloy materials, and competitive pricing.
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