Description
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Spool Adapter – 7-1/16-15M x 4-1/16-15M-H2S
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Spool Adapter – 7-1/16-15M x 4-1/16-15M-H2S
These spools are commonly used in oil and gas drilling operations, particularly for blowout preventer (BOP) stacks and wellhead assemblies to facilitate safe pressure control.
Specifications & Key Features:
- Top Connection: 7-1/16″ Nominal, 15,000 PSI Working Pressure (15M)
- Bottom Connection: 4-1/16″ Nominal, 15,000 PSI Working Pressure (15M)
- Service: H2S (Sour Service) – Manufactured with reference to NACE MR-0175/ISO 15156 standards
- Material: High-strength alloy steel (often AISI 4130)
- Connection Type: Usually Flanged (Integral or DSA – Double Studded Adapter)
- Ring Grooves: Often inlays with stainless steel (SS316) for enhanced corrosion resistance
- Standards: API Spec 6A or API Spec 16A
- Operating Temp: Typically meets or exceeds API requirements, such as -46°C to 121°C (L-U)
Key Applications:
- BOP Stacks: Connecting different sizes of BOPs or connecting the BOP to the wellhead.
- Wellhead Assembly: Used to transition between 7-1/16″ and 4-1/16″ configurations.
- Flow Line Connections: Used to raise or lower the height of flow lines in high-pressure drilling environments.
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