Thermostatic expansion valves (TXVs) come in many different shapes and sizes. Although they all are designed to control the superheat value of the refrigerant leaving an evaporator, there are some ...

The thermostatic expansion valve (TXV or TEV) is a metering device located between the liquid line and the evaporator. The TXV is a dynamic valve that constantly modulates and meters just enough ...

This illustration shows the spring's relationship to the valve. The valve stem goes through the middle of the spring and is positively connected to it by the retainer and two valve locks (also known ...

Obviously, these valve-control-related issues, associated with insufficient valvespring pressure, are the reason why camshaft manufacturers offer valvespring upgrades. The obvious answer might seem to ...