API 6A Spacer Spool – 2-1/16" 5M x 2-1/16" 5M | OAL 15"

The 2-1/16" 5M x 2-1/16" 5M Spacer Spool with a 15-inch Overall Length (OAL) is a high-integrity, heavy-duty pressure containment component engineered for surface wellheads, Christmas trees, and choke manifold configurations. Featuring identical 2-1/16" 5,000 PSI flanged connections on both ends, this specialized extension spool is designed to safely space out adjacent wellhead components, elevate blow-out preventers (BOPs), provide adequate tool clearance, or match existing piping geometries while maintaining a uniform, high-pressure boundary.

In high-pressure upstream operations, any extension component within the primary well bore or manifold line must meet the most rigorous structural and metallurgical standards. This spacer spool features a fully integrated, one-piece forged design that eliminates the risk of weld-joint failure under mechanical strain. Both 5,000 PSI flanged ends feature a precision-machined Ring-Type Joint (RTJ) groove optimized for standard R-24 or RX-24 metal ring gaskets. When the heavy-duty studs are fully torqued down, these gaskets create an impenetrable, metal-to-metal barrier that remains bubble-tight under continuous cyclic stresses and heavy operational vibration.

Precision-machined to an exact 15-inch overall length, this spacer spool ensures predictable grid alignments and flawless fitment during critical manifold fabrication or well control rig-ups. It is manufactured from premium forged alloy steel and fully conforms to API Specification 6A criteria.

Features & Benefits

• Uniform Sizing Line: Features identical 2-1/16" 5M flanged end connections on both ends, serving as a straight, restriction-free extension sub within matching flowlines.

• 5,000 PSI API 6A Rating: Purpose-built to handle standard upstream surface pressures, safely containing a continuous 5,000 PSI working pressure.

• Exact 15" Overall Length: Machined to rigorous dimensional tolerances to guarantee a perfect face-to-face spacing distance within tight layout constraints.

• Integral Forged Design: Machined entirely from a single solid block of premium alloy steel, maximizing structural rigidity, tensile strength, and fatigue life.

• Fail-Safe RTJ Grooves: Precision-machined flange faces accommodate standard R-24 or RX-24 metal ring gaskets to create a robust, leak-free metal-to-metal seal.

Specifications & Technical Details

Applications

This 2-1/16" 5K spacer spool is an indispensable alignment and extension asset for upstream surface drilling, production, and testing layouts. Typical applications include extending the height of a blowout preventer (BOP) stack for tool clearance, spacing out gate valves on choke and kill manifolds, bridging spatial gaps between wellhead Christmas trees and rigid flowline iron, and setting up secure testing loops on surface production arrays.

Quality Assurance

All our API 6A spacer spools are manufactured from premium-grade clean alloy forgings and subjected to strict quality control checkpoints. Each unit undergoes rigorous non-destructive testing (NDT), including magnetic particle and ultrasonic inspections, alongside hydrostatic shell pressure testing to guarantee zero structural defects under extreme workloads. Ring groove geometries are evaluated with specialized precision gauges to ensure long-term, flush metal-to-metal field compliance. Full material test reports (MTRs) and API certificates are provided.

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