VALVES - TYPES, SELECTION AND ITS APPLICATION

advertisement

A valve is a device that controls not only a flow, but also the rate, the volume and the pressure, direction of liquids, gases, toxic gases, slurries through a pipeline chute or passageway.

Basically the valve types are classified into 8 types there are,

advertisement

1. Screw down valve

2. Parallel slide valve

3. Gate valve

4. Check valve

5. Ball valve

6. Butterfly valve

7. Diaphragm valve

8. Bellow seal valve

advertisement

SELECTION OF VALVES: 

The substance to be handled and required flow rate. 

The ability of valve to withstand the maximum working pressure and temperature. 

The ability of valve to resist attack by corrosion or erosion. 

Actuator requirements 

Maintenance and repair requirements

advertisement