Engine mounts, chassis parts, and machined components for assembly lines.
High-strength fasteners, landing gear parts, and structural assemblies.
Forged housings, armor brackets, and mission-critical structural parts.
Precision housings, actuator frames, and armature linkages for automation systems.
Metal frames, brackets, and assemblies for appliances and home equipment.
Busbar holders, battery pack parts, and lightweight structural enclosures.
Solar mounting parts, wind turbine brackets, and battery enclosures.
Valve bodies, flange blocks, and downhole drilling components.
Large welded frames, PEB structures, and assemblies for industrial equipment.
Durable transformers built for consistent performance, energy efficiency, and stable power regulation.
Frigate’s industrial-grade enclosures provide durable, customizable protection with efficient thermal management for high-performance applications.
High-performance cables and wires engineered for durability and seamless connectivity across applications.
Custom-built wiring harnesses for secure connections and streamlined installations.
Precision-engineered busbars for efficient power distribution and minimal energy loss.
Robust connectors designed for secure locking, reliable conductivity, and long-term performance.
Diverse solutions covering automotive, electrical, mechanical, and industrial needs with precision-built components.
CNC machining delivers micron precision and tight tolerances for complex geometry.
Frigate CNC Machining offers high-precision, custom solutions for complex casting geometries. Multi-axis capabilities ensure tight tolerances and optimal surface finishes.
Sheet metal fabrication uses laser cutting, punching, and bending for precision.
Frigate Sheet Metal Fabrication utilizes advanced laser cutting and press brake technology for custom casting applications. Tight tolerances, superior welds, and high-strength materials ensure structural integrity.
Injection molding produces high-precision parts with consistent quality.
Frigate Injection Molding delivers custom-engineered parts with micron-level precision and structural integrity. Specialized molds maintain tight tolerances for complex geometries and high-stress applications.
Precision casting ensures accurate, high-quality parts.
Forging services improve material strength with precise tolerances.
Frigate Casting Services provides custom casting with tight tolerances and complex geometries. We enhance material properties using advanced metallurgy, ensuring strength and wear resistance. Our precision methods support high-performance aerospace, automotive, and industrial applications.
End-to-end part production from samples to bulk supply.
Ready-to-use assemblies built to exact fit and function.
Heavy-duty fabrication with high-strength materials for demanding applications. Robust welding for maximum structural durability.
Subsea BOP Hinge Pin must reliably transmit mechanical force between the BOP body and the ram door assemblies under hydrostatic pressures exceeding 15,000 psi. The pin’s geometry, including its fillet radius and bearing contact surfaces, is precisely calculated through finite element analysis (FEA) to ensure stress distribution remains below the endurance limit of the base material. This design ensures the Subsea BOP Hinge Pin performs without plastic deformation or galling, even under extreme compressive and torsional loads.
Subsea BOP Hinge Pin operates in highly corrosive deepwater environments that expose it to chloride-rich brines, CO₂, and H₂S. The surface of each Subsea BOP Hinge Pin is protected using a combination of high-performance coatings such as thermally sprayed Inconel overlays or diffusion-bonded nitriding. Material selection considers susceptibility to hydrogen-induced cracking (HIC), and all Subsea BOP Hinge Pins are post-processed using high-temperature baking protocols after electroplating to eliminate hydrogen absorption.
Subsea BOP Hinge Pin experiences thermal contraction due to exposure to subsea temperatures ranging from 4°C to -1°C. All dimensions and tolerances are validated under cryogenic simulation to ensure the Subsea BOP Hinge Pin maintains proper fit and function within the BOP hinge mechanism. The pin’s coefficient of thermal expansion (CTE) is matched with adjacent components to prevent interference binding or misalignment during thermal cycling.
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Used to support pivot motion of ram doors under high-pressure cycles in subsea BOP stacks at depths exceeding 10,000 feet.
Provides mechanical articulation between ram body and housing during stack deployment, retrieval, and in-situ hydraulic actuation under subsea conditions.
Transmits compressive and torsional forces across closure arms during emergency shearing or sealing operations in high-pressure well control events.
Ensures secure hinge motion during riser-to-BOP connection, accommodating thermal expansion and external bending moments without misalignment.
Supports critical alignment in hydraulic override units and workover BOPs used during well intervention and maintenance under pressure.
Integrated in pod framework hinges to enable precise access panel movement under subsea pressure differential and corrosive fluid ingress.
Subsea BOP Hinge Pin is built under strict QA protocols in accordance with API 16A and NACE MR0175. Each pin undergoes UT, MT, and CMM inspection to verify dimensional and structural integrity. Complete documentation ensures full traceability, mechanical validation, and compliance for critical offshore applications.
To prevent misalignment or uneven ram loading, each Subsea BOP Hinge Pin is finished to ±5 micron tolerances using lapping and precision gauging. Interference fits and anti-rotation features ensure stable, backlash-free engagement—even after repeated subsea pressure cycles.
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Frigate uses low-expansion alloys that match the thermal behavior of adjoining BOP components. Each Subsea BOP Hinge Pin is tested in simulated cryogenic environments. Dimensional shifts are mapped using precision CMM inspection. This ensures reliable hinge alignment during subsea pressure and temperature cycling.
Frigate conducts UT, MT, and dye penetrant tests on every Subsea BOP Hinge Pin. These methods detect internal voids, surface cracks, and stress concentrations. Testing follows API 16A and customer-specific inspection levels. Only pins passing all criteria are cleared for offshore deployment.
Frigate uses post-electroplating baking at controlled temperatures to release trapped hydrogen. Material selection complies with NACE MR0175 for sour service resistance. Surface treatments like nitriding and Inconel overlay reduce hydrogen diffusion risk. This ensures long-term performance in H₂S-rich subsea environments.
Frigate machines every Subsea BOP Hinge Pin to ±5 micron tolerances using CNC grinding and lapping. Anti-rotation flats and interference fits are applied as needed. These features eliminate unwanted axial or radial movement. The result is zero play under cyclic subsea loading.
Yes, Frigate reverse-engineers hinge pins using 3D scanning and historical drawings. Custom profiles, fillet blends, and keyway features are supported. Metallurgy and surface coatings are adapted to match original or enhanced performance standards. This allows seamless integration into both legacy and modern BOPs.
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818, Preakness lane, Coppell, Texas, USA – 75019
10-A, First Floor, V.V Complex, Prakash Nagar, Thiruverumbur, Trichy-620013, Tamil Nadu, India.
9/1, Poonthottam Nagar, Ramanandha Nagar, Saravanampatti, Coimbatore-641035, Tamil Nadu, India. ㅤ
FRIGATE is a B2B manufacturing company that facilitates New Product Development, contract manufacturing, parallel manufacturing, and more, leveraging its extensive partner networks.
Need reliable Machining for your next project? Get in touch with us today, and we’ll help you find exactly what you need!
Need reliable wires and cables for your next project? Get in touch with us today, and we’ll help you find exactly what you need!