Key Parameters and Structural Description
Precision Machining Features
- Chamfering and Deburring: All edges shall be chamfered to ensure smooth fluid flow.
- Surface Finish: The roughness of the sealing surface.
Functional Design
- NPT Threaded Ports: Three 1/2" NPT internal threads for connection with standard pipelines.
- Minimum Draft Angle: The casting draft angle ≥ 2° to ensure demolding quality.
Materials and Manufacturing Standards
|
Item |
Specification |
|
Material Grade |
356 - T6 aluminum alloy |
|
Casting Process |
Sand casting |
|
Heat Treatment |
T6 aging treatment (solution treatment + artificial aging), with a tensile strength ≥ 35 ksi |
|
Surface Treatment |
Black oxide treatment (BLACK OXIDE) for rust and corrosion prevention |
Inspection Requirements
- Full-Dimensional Inspection:The key dimensions need to be verified through a three-coordinate measuring machine (CMM).
- Pressure Test: The finished product shall undergo a hydrostatic pressure test of 300 PSI.
- Material Traceability: For each batch, a mill test report and heat - treatment records shall be provided.
Application Scenarios
- Chemical Industry: Rapid connection of pipelines for the transportation of corrosive liquids/gases.
- Energy Sector: High - pressure interfaces in oilfield water injection/methanol injection equipment.
- Equipment Maintenance: Replacement of old couplings to reduce downtime.
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