Learn About Valves Types and Uses
What are valves? Valves are mechanical devices that control the flow and pressure within a system or process. They are essential components of a piping system that conveys liquids, gases, vapors, slurries, etc. Different types of valves are available: gate, globe, plug, ball, butterfly, check, diaphragm, pinch, pressure relief, control valves etc. Each of these types has a number of models, each with different features and functional capabilities. Some valves are self-operated while others are operated manually or with an actuator, pneumatically, or hydraulically. 5 Main Types of Ball Valves Ball Valves A ball valve is a shut-off valve that controls the flow of a liquid or gas by means of a rotary ball having a bore. By rotating the ball a quarter turn (90 degrees) around its axis, the medium can flow through or be blocked. They are characterized by a long service life and provide a reliable seal over the life span, even when the valve is not in use for a ...