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  • API594 Cast steel Swing Check valve 150#

  • API594 Cast steel Swing Check valve 150#

  • API594 Cast steel Swing Check valve 150#

API594 Cast steel Swing Check valve 150#

Technical Requirement:

1. Globe valves API594

2. Face to face ANSI B16.10

3. End flanges ANSI B16.5

4. Butt weld ends ANSI B16.25

5. Inspection and test API 598

Product Details

Main parts and materials

Parts NameMaterials
Body、BonnetWCB/LCB/CF8
DiscWCB/LCB/CF8
StemA182 F6a/A182 F316/A182 304
SeatA105

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API 600 cast steel OS&Y gate valves are essential components in various industries, providing reliable on/off control in pipelines. These valves are designed to meet the stringent requirements of API 600, ensuring high performance and durability.

API 600 cast steel OS&Y gate valve Key Features

  1. Material:

    • Cast Steel: Constructed from cast steel, these valves offer excellent strength and durability. Cast steel is suitable for high-pressure and high-temperature applications, providing long service life.

  2. Design:

    • OS&Y Configuration: The OS&Y design features an outside screw and yoke, where the stem threads are exposed to the environment, making it easy to observe the valve's position (open or closed). This design also allows for easy lubrication and maintenance of the stem threads.

    • Flexible Wedge: Many API 600 gate valves include a flexible wedge, which helps to accommodate thermal expansion and reduce the risk of the wedge sticking in the valve body.

    • Pressure Classes: Available in various pressure ratings, including Class 150, 300, 600, and 900, accommodating a wide range of operational pressures.

  3. End Connections:

    • Flanged Ends: These valves typically come with flanged ends for easy installation and removal. The flanges conform to ANSI standards, ensuring compatibility with other piping components.

    • Butt-Weld Ends: Some models also offer butt-weld ends for more permanent installations and improved sealing integrity.

  4. Compliance:

    • API 600 Standard: These valves comply with the API 600 standard, which specifies the design, materials, and testing requirements for gate valves used in general refinery and oilfield services.

API 600 cast steel OS&Y gate valve Applications

  1. Oil and Gas Industry:

    • Used in pipelines and refineries to control the flow of crude oil, natural gas, and refined products. Their ability to handle high pressures makes them ideal for upstream, midstream, and downstream applications.

  2. Chemical Processing:

    • Suitable for controlling the flow of aggressive chemicals in processing plants, ensuring safe and efficient operation.

  3. Power Generation:

    • Employed in power plants to manage the flow of steam, water, and other fluids at high temperatures and pressures.

  4. Water Treatment:

    • Used in water treatment plants and distribution networks to control water flow, offering reliable performance in potable water and wastewater applications.

  5. General Industry:

    • Suitable for various industrial processes where robust on/off control is required, including HVAC systems, pulp and paper, and mining.

API 600 cast steel OS&Y gate valve Advantages

  1. Durability and Reliability:

    • Made from robust cast steel, these valves offer long service life and reliable performance even under harsh conditions.

  2. Ease of Maintenance:

    • The OS&Y design allows for easy observation and lubrication of the stem, reducing maintenance requirements and ensuring smooth operation.

  3. High Pressure and Temperature Capability:

    • Designed to handle high pressures and temperatures, making them suitable for demanding applications.

  4. Leak-Tight Seal:

    • The flexible wedge design ensures a tight seal, reducing the risk of leakage and improving operational safety.


API594 cast steel swing check valves are designed to prevent backflow in a piping system, ensuring fluid flows in one direction only. These valves are particularly suitable for applications involving high-pressure and high-temperature conditions. view more.


API594 cast steel swing check valve Key Features

  1. Design and Construction:

    • Material: Made from cast steel, which provides excellent strength and durability. Cast steel is capable of withstanding high pressures and temperatures, making it suitable for demanding industrial applications.

    • Swing Check Mechanism: The swing check valve features a hinged disc that swings open and closed, allowing fluid to flow in one direction while preventing reverse flow. This design ensures minimal pressure drop when the valve is open.

    • Standards: Compliant with API 594, which specifies the design, dimensions, and testing requirements for check valves. This ensures the valve meets industry standards for safety and performance.

  2. Pressure Rating:

    • Class 150: This indicates the pressure rating of the valve. Class 150 valves are designed to handle pressures up to 150 psi (pounds per square inch) at standard temperatures.

  3. End Connections:

    • Typically available with flanged ends, which allow for easy installation and removal. The flanges conform to ANSI standards, ensuring compatibility with other piping components.

  4. Size Range:

    • API 594 cast steel swing check valves are available in a wide range of sizes, typically from 2 inches to 24 inches, to accommodate different piping system requirements.

API594 cast steel swing check valve Applications

  1. Oil and Gas Industry:

    • Used in pipelines to prevent backflow, protecting pumps and compressors from damage caused by reverse flow.

  2. Chemical Processing:

    • Ideal for preventing backflow of chemicals in processing plants, ensuring safe and efficient operation.

  3. Water and Wastewater:

    • Commonly used in water treatment plants and sewage systems to maintain unidirectional flow and prevent contamination.

  4. Power Generation:

    • Utilized in power plants to ensure the proper flow of steam, water, and other fluids within the system.

API594 cast steel swing check valve Advantages

  1. Reliable Operation:

    • The simple design of the swing check valve ensures reliable operation with minimal maintenance.

  2. Low Pressure Drop:

    • When open, the swing check valve offers minimal resistance to flow, resulting in a low pressure drop across the valve.

  3. Durability:

    • Constructed from cast steel, these valves offer long-term durability and resistance to wear and tear, even in harsh environments.

  4. Compliance with Standards:

    • Adhering to API 594 standards ensures that the valve meets stringent industry requirements for safety and performance.