Cast Iron Weld Neck Flanges
High-performance weld neck flanges engineered for critical high-pressure and high-temperature piping applications requiring superior strength.
Price
USD 900 - USD 18,000 Per Ton
Manufacturer & Supplier
Renaissance Pipe Fitting Inc.
Type
Forged, Plate, Machined, Custom Fabricated
Form
Slip On Flanges, Weld Neck Flanges, Socket Weld Flanges, Blind Flanges, Lap Joint Flanges, Threaded Flanges, Long Weld Neck Flanges, Spectacle Flanges, Ring Joint Flanges, Orifice Flanges, Plate Flanges, Customised Flanges
Standards
ASME B16.5, ASME B16.47 Series A, ASME B16.47 Series B, MSS SP-44, API 6A, API 605, EN 1092-1, DIN, BS, JIS, AWWA C207
Our Cast Iron Flanges Variants
Cast Iron grades for Flanges
Browse the available grades for Cast Iron used in Flanges.
Industry Standards
International specifications, manufacturing standards, and compliance requirements applicable to this material.
Weld Neck Flanges
Weld Neck Flanges are among the most widely used industrial flanges. Their tapered hub design provides excellent stress distribution, making them ideal for high-pressure and high-temperature applications.
Features
- Superior Strength
- Excellent Stress Distribution
- High Pressure Capability
- Long Service Life
- Exceptional Reliability
Applications
- Oil & Gas Industry
- Petrochemical Plants
- Power Generation Facilities
- Offshore Platforms
- Process Piping Systems
- Pressure Vessels
Quality Assurance
Manufactured according to ASME B16.5 standards and supplied with EN 10204 3.1 certification, PMI reports, and third-party inspection documentation.
Industries Served
- Oil & Gas
- Petrochemical
- Refineries
- Power Generation
- Chemical Processing
- LNG
- Offshore
- Marine
- Desalination
- Water Treatment
- Hydrogen
- Mining
- Pharmaceutical
- Food Processing
- Pipeline Infrastructure
- Pulp & Paper
- Renewable Energy
Features
- Precision machined sealing faces
- Raised Face, RTJ and Flat Face options
- Full material traceability
- Custom dimensions available
- Third-party inspection support
- NACE compliant materials available
- Global export packaging
- Custom drilling patterns available
- Dimensional Accuracy
- Corrosion Resistance
- High Efficiency
- Excellent Finish
- Durable Construction
Advantages
- Leak-proof piping connections
- Easy maintenance and inspection
- Suitable for high-pressure systems
- Excellent structural integrity
- Wide range of pressure classes
- Easy assembly and disassembly
- Excellent dimensional accuracy
- Available in all industrial materials
- Long service life
- Cost-effective piping solution
Applications
- Pipeline Systems
- Pressure Vessels
- Heat Exchangers
- Process Piping
- Refineries
- Power Plants
- Chemical Plants
- Offshore Platforms
- LNG Terminals
- Water Treatment Facilities
Inspection & Testing
- PMI Testing
- Dimensional Inspection
- Hydro Testing
- Ultrasonic Testing
- Radiography
- Hardness Testing
- Visual Inspection
- Material Verification
- Third Party Inspection
Manufacturing Process
- Raw Material Inspection
- Forging
- Heat Treatment
- Machining
- Drilling
- Facing Operations
- PMI Testing
- Dimensional Inspection
- Final Inspection
- Packing & Dispatch
Certifications
- EN 10204 3.1
- ISO 9001
- PED
- NACE MR0175
- IBR
- API
Why Choose Us
- 25+ years manufacturing experience
- Complete flange product range
- ASME B16.5 and B16.47 compliant manufacturing
- Worldwide export capabilities
- Fast production lead times
- Third-party inspection support
- Complete material traceability
- Competitive international pricing
- Custom manufacturing available
- Dedicated engineering support