/ Gravity Casting

Custom Aluminum Cast Coupling Flange

1. Application: Fire pump bearing cover
2. Material: A356
3. Weight: 0.3kg
4. Process:vity casting
5. Certification: ISO9001:2015, ISO14001, ISO45001
6. Transportation packaging Wooden box
7. Mechanical processing: CNC machining
8. Surface treatment: Shot blasting
9. OEM/ODM: Customized
10. Production capacity 5000 pieces
11. Specification: Customized
12. Origin: Xi'an, China
Product Description

Custom Aluminum Cast Coupling Flange: Precision Engineered for Demanding Applications

When reliability in high-pressure and corrosive environments matters, Custom Aluminum Cast Coupling Flanges deliver unmatched performance. Designed for oil & gas, renewable energy, and industrial systems, these flanges combine A356-T6 aluminum’s strength with precision casting and CNC machining. Trusted by global projects from offshore pipelines to geothermal plants, our solutions meet API 6A, ASME B16.5, and NACE standards while cutting downtime risks.

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Why Choose Our Aluminum Cast Coupling Flanges?

Built for Extreme Conditions

  • Corrosion Resistance: Withstand H2S, CO2, and saltwater exposure, ideal for offshore rigs and refineries.
  • High Tensile Strength: 220+ MPa load capacity for pressures up to 2500# (ANSI Class).
  • Temperature Resilience: Stable performance from -50°C (-58°F) to 300°C (572°F).
  • Lightweight Design: 60% lighter than steel alternatives, reducing installation labor.

Industry-Specific Engineering

  • API 6A-certified flanges for wellhead equipment and LNG pipelines, including Custom Aluminum Cast Coupling Flange.
  • Renewables: PED-compliant designs for hydrogen transport and offshore wind farms.
  • Industrial: Custom bore sizes and bolt patterns for retrofitting legacy systems.

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Certifications You Can Trust

Every flange meets ASTM B26/B108 casting standards and includes full material traceability (mill test reports).

Tailored to Your Exact Needs

Full Customization Options

  • Dimensions: 1/2" to 48" OD, non-standard IDs, and bespoke bolt circles.
  • Surface Treatments: Anodizing, powder coating, or ceramic coatings for added durability.
  • Integration Support: Reverse-engineer existing flanges or adapt to hybrid piping systems.

Seamless Ordering Process

1. Share Specifications: Upload CAD files or sketches.

2. Prototype Approval: Get 3D models within 72 hours.

3. Batch Production: MOQ 50 units, with 4-6 week lead times.

Technical Specifications

Parameter Details
Material A356-T6 (AlSi7Mg)
Pressure Rating Up to 2500# (ANSI)
Temperature Range -50°C to 300°C (-58°F to 572°F)
Surface Finish Shot blasting, anodizing optional
Certifications API 6A, ASME B16.5, ISO 9001:2015

Proven Success in Critical Applications

Case Study: Reduced corrosion-related failures by 40% in a Middle Eastern LNG pipeline project with 1,200 API 6A flanges. Client feedback: “Their technical team optimized our flange design for saltwater exposure, cutting maintenance costs by 22%.”

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Global Delivery & Support

  • Fast Shipping: Doorstep delivery to 50+ countries with customs documentation.
  • 24/7 Assistance: English, Spanish, and Arabic-speaking engineers.
  • Spare Parts: Emergency stock for urgent replacements.

FAQs

Q: Can you match legacy flange designs?

A: Yes – submit drawings or samples for reverse engineering.

Q: How do your flanges handle sour gas (H2S) environments?

A: We apply NACE MR0175-compliant coatings and alloys.

Q: What’s the lead time for 500 units?

A: 30 days with expedited production.

Q: Do you provide installation guidelines?

A: Detailed welding/assembly manuals included with every order for Custom Aluminum Cast Coupling Flange.

Need a Custom Solution?

📧 Contact Steve Zhou at steve.zhou@263.net for a free DFM analysis.

Rongbao Casting – Your Partner in High-Performance Aluminum Cast Coupling Flanges Since 2008

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