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Spool Adapter – 4-1/16-15M x 3-1/16-15M-H2S

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March 24, 2026March 24, 2026
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Spool Adapter – 4-1/16-15M x 3-1/16-15M-H2S

This product is an API 6A / 16A Adapter Spool designed for high-pressure oilfield drilling and wellhead applications, specifically for connecting equipment with different sizes and pressure ratings.

Specifications:

Top Connection: 4-1/16″ 15,000 PSI (15M)
Bottom Connection: 3-1/16″ 15,000 PSI (15M)
Service: H2S Resistant Service (Sour Service)
Standards: Manufactured in accordance with API 6A/16A and NACE MR-0175
Material: High-strength alloy steel, typically with CRA overlay (e.g., Stainless Steel 316) on ring grooves for corrosion resistance

Key Features:

Pressure Rating: 15,000 PSI Working Pressure (15M)
Function: Used as a crossover to connect a 4-1/16″ 15M BOP or tree to a 3-1/16″ 15M wellhead or lower component