Design Standards: Subsea valves are typically designed in accordance with international standards such as API 6DSS (Subsea Pipeline Valves) and API 17D (Subsea Wellhead and Tree Equipment). These standards ensure the valves' performance, safety, and reliability.

Special Requirements: Compared to conventional valves, subsea valves have stricter requirements in terms of crush strength, wall thickness design, external structure, corrosion-resistant coatings, and galvanic corrosion resistance. These requirements necessitate additional resources and efforts in computational simulations and specialized inspections during design and manufacturing.

Hydraulic Operation: Utilizes a hydraulic transmission system to open and close the valve, suitable for remote control in deep-sea environments.

ROV Operation: Leverages Remote Operated Vehicles (ROVs) for valve operation and maintenance, enhancing operational efficiency and safety.

Manual Operation: In shallow water areas, divers can directly operate the valves.

Offshore Oil and Gas Engineering: Subsea valves play a crucial role in the extraction, transportation, and processing of oil and gas resources, ensuring their safe and efficient utilization.

Deep-Sea Submersibles: Subsea valves also find applications in underwater scientific research, rescue operations, and exploration.

Several brands offer subsea valve products, such as Oilgear's Olmsted product group, renowned for its advanced Subsea Functional Valves (SFV). These products are designed based on a legacy of innovation and aerospace-grade technical standards, offering exceptional reliability and durability.

French brands like Coyard also provide a range of high-quality subsea valve products, including subsea ball valves, widely used in various underwater engineering fields.