Where is the ball valve? And opening the valve. What's the difference between angle valves? What is the function?

The utility model relates to a faucet, such as a faucet used at the water inlet of a washbasin, a vegetable basin and a toilet seat.

Angle valve picture

Angle valve for heating pipeline

Angle valve is similar to ball valve, and its structure and characteristics are transformed from ball valve. The difference with the spherical valve is that the outlet of the angle valve forms a 90-degree right angle with the inlet.