CAST STEEL GATE VALVE IN DUBAI U.A.E

CAST STEEL GATE VALVES

Cast steel gate valves are essential components in various industrial applications where fluid control is necessary. These valves are designed to open by lifting a gate out of the path of the fluid. They come in different class ratings such as CL150, CL300, and CL600, which indicate their maximum pressure capabilities at a given temperature according to American standards.

Specification

  1. Material Composition:
    • Body and Bonnet: Made from cast steel, which provides excellent strength and durability.
    • Gate Material: Typically constructed from forged steel to ensure a tight seal and resistance to wear.
  2. Pressure Ratings:
    • CL150: Suitable for pressures up to 285 psi at temperatures up to 100°F.
    • CL300: Suitable for pressures up to 740 psi at temperatures up to 100°F.
    • CL600: Suitable for pressures up to 1480 psi at temperatures up to 100°F.
  3. Size Range:
    • Typically available in sizes from 2 inches to 48 inches, catering to a wide range of pipeline diameters.
  4. Standards and Certifications:
    • Designed and manufactured in accordance with ASME B16.34 and API 600 standards.
    • Tested according to API 598 to ensure reliability and performance.
  5. End Connections:
    • Commonly equipped with flanged ends, but butt weld ends are also available for higher integrity applications.
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Classification

  1. By Pressure Class:
    • Class 150 (CL150)
    • Class 300 (CL300)
    • Class 600 (CL600)
  2. By Connection Type:
    • Flanged: Suitable for easier installation and removal in pipework.
    • Butt Weld: Provides a more permanent and robust connection.
  3. By Operation:
    • Manual: Operated with a handwheel or gear.
    • Actuated: Can be equipped with electric, pneumatic, or hydraulic actuators for automated control systems.

Description

  1. Applications:
    • Oil and Gas Industry: Used in pipelines and processing facilities to control the flow of oil and gas.
    • Water and Wastewater Management: Employed in water treatment plants and distribution systems.
    • Chemical Processing: Controls the flow of various chemicals in processing plants.
    • Power Generation: Used in steam and water lines within power plants.
  2. Advantages:
    • Durability: Cast steel construction offers long-term durability under harsh conditions.
    • Leak-proof: Gate valves provide excellent sealing capabilities, making them ideal for liquid applications.
    • Versatility: Available in various sizes and classes to match specific system requirements.
    • Customizable: Can be fitted with various types of actuators for automatic operations.
  3. Limitations:
    • Weight: Heavier than valves made from materials like cast iron or composites, which may require additional support structures.
    • Cost: Generally more expensive than simpler valve types due to their robust construction and material.
  4. Maintenance and Care:
    • Regular Inspection: Periodic inspections for wear and tear, especially in high-temperature and high-pressure applications.
    • Lubrication: Regular lubrication of moving parts to ensure smooth operation.
    • Operational Testing: Frequent operation to prevent sticking, especially in infrequently used valves.

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