Instrumentation Fittings

Instrumentation Valves

Pressure Gauges

Pressure Regulators


Hose Assemblies


Oil & Gas Refining, Production & Exploration

Hy-Lok oil & gas fittings, instrument valves, and metal hoses, and double block and bleed valves used throughout the oil and gas refining, production, and exploration industry. Our products are designed and engineered to meet the pressure, temperature, and metallurgical demands of emerging oil & gas exploration applications, including floating platforms, FPSO, offshore and process refining, storage, CNG and LNG, and chemical injection.

Oil and Gas Valves, Fittings & Manifolds

We offer a wide range of standard and custom manufactured oil and gas valves, including single and double block and bleed valves, that can withstand the toughest oil production and gathering processes.

Rigs, Platforms & Shipbuilding

Hy-Lok's leak-free reputation has led to many applications in the expanding shipbuilding, drill rig, and production platform industries. With certifications including DNV, Lloyd’s Register and ABS, and product testing to ASTM-F1387, Hy-Lok has maintained a significant presence and is the preferred tube fitting and valve supplier in these industries. Hy-Lok products commonly used include the Hy-Lok tube fittings, needle valves, ball valves, instrument manifolds, inline filters, and hoses. The variety of configurations offered by the Hy-Lok double block and bleed valves has provided solutions for many large FPSO and oil producing projects globally.

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