9/16" MP Male x 1/4" HP Male Adapter – 20,000 PSI Stainless Steel Instrumentation Fitting

The 9/16" MP Male x 1/4" HP Male Adapter is a high-precision crossover fitting engineered to seamlessly bridge the gap between medium-pressure (MP) and high-pressure (HP) instrumentation systems. With a Maximum Allowable Working Pressure (MAWP) of 20,000 PSI, this adapter safely transitions flow from a 9/16" Medium Pressure port to a 1/4" High Pressure line, making it an indispensable component for complex test panels, chemical injection skids, and subsea control systems.

Manufactured from high-strength, cold-worked 316 stainless steel, this fitting utilizes industry-standard coned and threaded connections on both ends. This design guarantees a robust, bubble-tight metal-to-metal seal that remains highly reliable even under heavy cyclic pressure, intense vibration, and wide temperature variations. By allowing direct connection between mismatched tubing standards, it eliminates the need for bulky, multi-component piping runs, reducing potential leak points in critical infrastructure.

Built to endure the harsh, corrosive environments of upstream oil and gas and petrochemical processing, this MP to HP adapter delivers uncompromising safety, fluid containment, and long-term operational durability.

Features & Benefits

• 20,000 PSI MAWP Rating: Safely contains extreme fluid and gas pressures, limited to the 20K rating of the medium-pressure connection to ensure overall system safety.

• Crossover Functionality: Directly adapts a 9/16" MP female port to accept a 1/4" HP female connection, streamlining system layouts.

• Cone & Thread Technology: Provides a highly reliable, blowout-proof metal-to-metal seal essential for ultra-high-pressure liquid and gas service.

• Cold-Worked 316 SS Construction: Delivers exceptional tensile strength alongside premium resistance to corrosion, sour gas (H2S), and chemical attack.

• Reduced Leak Paths: A single-piece adapter design minimizes connection points, enhancing overall system integrity and safety.

• Standard Interchangeability: Fully compatible with industry-standard coned and threaded valves, fittings, and tubing (e.g., Autoclave, Butech, Parker).

Specifications & Technical Details

Applications

This 9/16" MP x 1/4" HP adapter is critical for fluid handling systems requiring step-downs or step-ups in tubing sizes and pressure classes. Typical applications include integrating medium-pressure pumps into high-pressure test benches, adapting chemical injection lines on offshore platforms, and connecting specialized pressure transducers and gauges to subsea umbilical manifolds.

Quality Assurance

Each adapter is CNC-machined to exacting tolerances under rigorous quality control standards. The coned sealing surfaces and threads undergo strict visual and dimensional gauging to ensure a flawless metal-to-metal seal. All materials are fully traceable, ensuring the component provides fail-safe performance at its maximum 20,000 PSI operational rating.

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