How many types of expansion valves are there?

• Automatic Exp. Valves
• Thermostatic Exp. Valves
• Capillary Tubes
• Float Valves

There are basically four types of valves

GATE VALVES ,BALL VALVES  ETC 

4 types of expansion valves are there

Automatic Exp. Valves

Thermostatic Exp. Valves

• Capillary Tubes
• Float Valves

Expansion valves are devices used to control the refrigerant flow in a refrigeration system. They help to facilitate the change of higher pressure of liquid refrigerant in the condensing unit to lower pressure gas refrigerant in the evaporator.

There are basically four types of valves that are in used. These valves are also refer to as metering devices.

• Automatic Exp. Valves
• Thermostatic Exp. Valves
• Capillary Tubes
• Float Valves

There are so many types of expansion valves. i.e. Thermostatic, Automatic, Electronics, Thermal expansion valve

Three types of expantion valve.