DOV Ball Valves are a type of industrial valve used for on/off control of fluid flow. They are known for their reliability, durability, and ease of operation. The primary component is a spherical ball with a hole through its center, which rotates to control flow.

Key features:
* Reliable and durable
* Quick and easy operation
* Tight shut-off
* Wide range of applications

Types:
* Full-port
* Reduced-port
* Threaded
* Flanged

Applications:
* On/off control
* Isolation
* Flow control