What is the difference between a ball valve and an angle valve?

A ball valve and an angle valve are two different types of valves with distinct features and applications. Here are the key differences between a ball valve and an angle valve:

Flow Path: In a ball valve, the flow path is created by a spherical ball with a hole or bore through its center. By rotating the ball, the flow can be either fully open or fully closed. In contrast, an angle valve has an angled body configuration with an inlet and outlet at a 90-degree angle, allowing for a change in flow direction.

Flow Control: Ball valves are primarily designed for on/off control, meaning they are typically used to completely start or stop the flow of fluid. They are not suitable for precise flow regulation or throttling applications. Angle valves, on the other hand, can be used for both on/off control and flow rate modulation. They provide the ability to adjust the flow by partially opening or closing the valve.

Valve Design: Ball valves consist of a ball-shaped valve element, often made of metal, such as brass or stainless steel, with a bore or hole drilled through it. The ball is rotated by a handle or lever to control the flow. Angle valves have an angled body design with an inlet and outlet connection at a 90-degree angle. They typically feature a hand-operated lever or wheel to open or close the valve.

Installation and Space Considerations: Ball valves are often installed in a straight-through configuration, requiring a straight pipe section for proper installation. They are commonly used in applications where flow continuity and minimal pressure drop are desired. Angle valves, as the name suggests, are designed for changing the flow direction by 90 degrees. They are often used in tight spaces or installations where a change in flow direction is required.

Application Suitability: Ball valves are widely used in various industries and applications, including oil and gas, water treatment, HVAC, and general plumbing systems. They are suitable for high-pressure, high-temperature, and corrosive fluid applications. Angle valves, on the other hand, are commonly used in plumbing systems, particularly for shut-off and control of water supply to fixtures such as sinks, toilets, and appliances.

It's important to note that the selection between a ball valve and an angle valve depends on the specific requirements of the application, such as the desired flow control, installation space, pressure and temperature conditions, and the nature of the fluid being handled.