Haihao Group Supplies High-Pressure RTJ Flanges for International Client
Haihao Group has successfully completed the delivery of high-pressure RTJ flanges for an international client. This order highlights our strong capability in producing weld neck flanges (WN flanges) and blind flanges that meet stringent project specifications, international standards, and NACE requirements.
Order Details
The shipment consisted of multiple types of ASME B16.5 flanges with different sizes, pressure ratings, and materials:
- 6″ WN Flange RTJ, 2500 LB, 25.5mm THK – ASTM A694 F52
- 2″ WN Flange RTJ, 2500 LB, SCH 11.4mm – ASTM A694 F52
- 2″ WN Flange RTJ, 2500 LB, SCH 160 – ASTM A105N
- 8″ WN Flange RTJ, 2500 LB, SCH 32.2mm – ASTM A694 F52
- 8″ WN Flange RTJ, 2500 LB, SCH 160 – ASTM A105N
- 2″ Blind Flange RTJ, 2500 LB – ASTM A105N
All products were produced under ASME B16.5 standards, ensuring dimensional accuracy, pressure integrity, and durability for high-stress piping systems.
ASME B16.5 RTJ ASTM A694 F52 and ASTM A105N weld neck flanges and blind flanges ready for shipment
Strict Quality Standards
To guarantee performance in challenging environments, every flange underwent:
- NACE compliance – Sulfur ≤ 0.01%, Phosphorus ≤ 0.015%
- Heat treatment – Ensuring strength, toughness, and long-term reliability
- Furnace test block (25mm × 300mm) – Delivered together for additional quality validation
The total production cycle was completed in just 15 days, reflecting Haihao Group’s ability to meet urgent project timelines without compromising quality.
Applications and Industrial Value
These high-pressure RTJ flanges are ideal for:
- Oil & Gas pipelines – handling extreme pressure and corrosive media
- Petrochemical refineries – ensuring secure sealing in high-temperature processes
- Power generation plants – supporting steam and high-pressure systems
- Marine and offshore projects – requiring reliable and corrosion-resistant connections
By delivering ASTM A694 F52 flanges and ASTM A105N flanges, Haihao Group supports clients in building safe, durable, and efficient pipeline networks worldwide.
Haihao Group’s Commitment
As a leading flange manufacturer and supplier, Haihao Group specializes in RTJ flanges, WN flanges, blind flanges, and custom pipeline components. Our expertise ensures compliance with ASME, ASTM, and NACE standards, making us a trusted partner for global energy and industrial projects.
We remain dedicated to providing clients with high-quality piping products, fast delivery, and professional service.
Looking for reliable ASME B16.5 RTJ flanges for your next project?
Contact Haihao Group today for customized solutions and competitive pricing.