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API 6A Flange Adapters
API 6A Flange Adapters are used to connect wellhead, Christmas tree, manifold and pressure control equipment with different flange sizes and pressure ratings. Manufactured according to API 6A requirements for reliable sealing performance and pressure integrity.
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Pressure & Flowline Accessories
API 6A Flange Adapters are critical pressure-control components used to connect wellheads, Christmas trees, choke manifolds, flowline systems and other oilfield equipment where different flange sizes, pressure ratings or connection configurations must be matched.
UNIONLEVER OFS supplies a complete range of adapter flanges, studded adapter flanges, companion flanges and crossover flanges manufactured in accordance with API 6A requirements for reliable sealing performance in demanding drilling and production environments.
- API 6A Adapter Flanges
- Studded Adapter Flanges
- Companion Flanges
- Crossover Flanges
- Custom Flange Transition Adapters
- Wellhead Flange Adapters
- Manufactured according to API 6A specifications
- Available for 2,000 psi to 20,000 psi working pressures
- Suitable for wellhead, manifold and flowline applications
- Precision-machined sealing surfaces
- Interchangeable with standard API flange systems
- Available in various PSL and material classes
- Custom dimensions available upon request
- Wellhead systems
- Christmas tree assemblies
- Choke and Kill Manifolds
- Pressure testing systems
- Frac and stimulation equipment
- Flowline and surface pressure-control systems
- Onshore and offshore drilling operations
| Parameter | Specification |
|---|---|
| Standard | API 6A |
| Working Pressure | 2,000 psi – 20,000 psi |
| Size Range | 1-13/16" – 21-1/4" |
| Material Class | AA, BB, CC, DD, EE, FF, HH |
| Product Specification Level | PSL1 – PSL4 |
| Performance Requirement | PR1 / PR2 |
| Temperature Class | L, P, R, S, T, U, V |
| Service Condition | Standard Service / Sour Service |
Products can be supplied with material certificates, dimensional inspection reports, NDT reports, hydrostatic testing records and full manufacturing traceability according to project requirements and API 6A specifications.
UNIONLEVER OFS provides technical documentation support, flange selection assistance, pressure rating verification and customized adapter solutions for new installations, upgrades and maintenance projects.
To help us recommend the most suitable API 6A Flange Adapter, please provide:
- Required flange size
- Working pressure rating
- Top and bottom flange configuration
- Material class requirement
- PSL and PR level
- Temperature class requirement
- Service condition (standard or sour service)
- Quantity required
Our engineering team can assist with flange selection, pressure-rating verification and custom transition designs to reduce procurement lead time and technical clarification cycles.
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For technical details, pricing, and project solutions, please contact: sales@unionlever.com
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Unionlever Oilfield Equipment Co., Limited
A Member of
Unionlever International Group Limited
(Established Since 2010)
"To be a globally trusted leader in oilfield equipment and integrated supply solutions."
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