3-1/16" 10M x 2-1/16" 15M API 6A Adapter Spool, 10" OAL – Oil & Gas Flowline Fitting

The 3-1/16" 10M x 2-1/16" 15M Adapter Spool is a highly critical transition component engineered to safely and seamlessly connect API 6A flanged equipment of differing bore sizes and pressure ratings. Designed specifically for complex wellhead, blowout preventer (BOP), and choke & kill manifold systems, this specialized crossover spool features a precise 10-inch Overall Length (OAL), providing essential dimensional spacing alongside reliable pressure containment.

Manufactured from premium high-strength forged alloy steel in strict accordance with API 6A standards, this spool safely adapts a 3-1/16" 10,000 PSI (10M) flanged interface to a 2-1/16" 15,000 PSI (15M) flanged interface. It is built to endure the severe internal stresses, abrasive fluids, and extreme mechanical loads typical of demanding upstream oil and gas operations. The rigid, exact-length body ensures proper structural alignment while bridging mismatched wellhead components without compromising the safety and integrity of the flowline network.

Serving as a vital pressure-control and structural link, this exact-length adapter spool optimizes layout flexibility, enabling safe structural step-downs in pipe size and pressure ratings across heavy-duty wellhead and manifold assemblies.

Features & Benefits

• Precise Dimensional Spacing: Features an exact 10-inch Overall Length (OAL) to meet specific rig-up and custom manifold spacing requirements.

• Dual-Transition Capability: Safely and efficiently bridges both a change in bore size (3-1/16" to 2-1/16") and a change in pressure rating (10M to 15M) in a single, robust component.

• Forged Alloy Steel Construction: Delivers exceptional durability against extreme pressure spikes, abrasive fluids, and heavy operational vibrations.

• API 6A Compliant: Manufactured to recognized industry standards to ensure universal compatibility and rigorous operational safety.

• Dependable Sealing Integrity: Precision-machined ring grooves ensure perfect, leak-free seals with standard API ring joint gaskets on both ends.

Specifications & Technical Details

Applications

This multi-purpose adapter spool is highly suited for extreme high-pressure upstream operations requiring structural transitions in bore size, pressure rating, and operational spacing. Typical applications include adapting heavy-duty wellhead tree components, interfacing different sections of BOP stacks, spacing out choke and kill manifolds, and connecting mismatched high-pressure valving to existing flowline networks.

Quality Assurance

Each adapter spool undergoes rigorous quality control protocols, including severe hydrostatic shell testing, exact dimensional and OAL verification, precision ring groove inspection, and complete material traceability (MTRs), ensuring strict compliance with API 6A and API Q1 standards for dependable field performance.

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