Ball Valves

Ball valves are mechanical devices used to control the flow of fluids (liquids or gases) in piping systems. They feature a spherical disc (the “ball”) with a hole or port through its center, which rotates to open or close the flow path. Here’s a detailed description:

ss ball valve — Cast Steel Ball Valve – VEECO 611
Cast Iron Ball Valve – VEECO 330
Stainless Steel Ball Valve – VEECO 230

Key Components

Body: The outer casing, typically made of materials like stainless steel, Cast Iron, Cast Steel depending on the application.

Ball: A spherical component with a central bore (hole) that aligns with the pipe to allow flow or blocks it when rotated perpendicular.

Seat: Seals around the ball to ensure a tight closure, preventing leaks when the valve is closed.

Stem: Connects the ball to the actuator or handle, allowing rotation.

Handle or Actuator: Used to manually or automatically rotate the ball (e.g., lever, gear, or motorized actuator).

End Connections: Ports for connecting to pipes, such as threaded, flanged, or welded ends.

CAST-STEEL-BALL-VALVE-3-PICS-DESGIN-SCD-FELAME — Cast Steel Ball Valve – VEECO 610
Cast Iron Ball Valve – VEECO 330/1
Stainless Steel Ball Valve – VEECO 230/1

Key Components

Body: The outer casing, typically made of materials like stainless steel, Cast Iron, Cast Steel depending on the application.

Ball: A spherical component with a central bore (hole) that aligns with the pipe to allow flow or blocks it when rotated perpendicular.

Seat: Seals around the ball to ensure a tight closure, preventing leaks when the valve is closed.

Stem: Connects the ball to the actuator or handle, allowing rotation.

Handle or Actuator: Used to manually or automatically rotate the ball (e.g., lever, gear, or motorized actuator).

End Connections: Ports for connecting to pipes, such as threaded, flanged, or welded ends.

Types of Ball Valves

Floating Ball: The ball is not fixed and relies on fluid pressure to press against the seat for sealing.

Trunnion-Mounted: The ball is anchored by additional supports (trunnions), used in high-pressure or large-diameter applications.

Full Port: The bore matches the pipe’s inner diameter, minimizing flow resistance.

Reduced Port: The bore is smaller than the pipe, reducing flow but more compact.

V-Port: The bore is V-shaped, allowing precise flow control.

By Material: Metal (e.g., stainless steel, carbon steel) for high-pressure or corrosive fluids. Plastic (e.g., PVC, CPVC) for low-pressure, non-corrosive applications.

Advantages

Quick Operation: Quarter-turn (90-degree) operation for fast opening/closing.

Tight Sealing: Provides reliable, leak-proof closure.

Low Maintenance: Simple design with fewer moving parts.

Versatility: Suitable for a wide range of fluids, pressures, and temperatures.

Low Pressure Drop: Full-port designs offer minimal flow resistance.

Applications

Industrial: Oil and gas, chemical processing, power plants, water treatment.
Residential/Commercial: Plumbing, HVAC systems, gas supply lines.
Specialized: Cryogenic systems, high-pressure pipelines, corrosive fluid handling.

Common Standards

API 6D, ASME B16.34: For design and testing in industrial applications.

ISO 17292: For metal ball valves in petroleum and gas industries.

ANSI, DIN: For dimensional and pressure ratings.

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