Volkswagen Polo Service & Repair Manual: Refrigerant R134a Physical Data
|
| Chemical formula | CH2F–CF3 or CF3–CH2F |
| Chemical designation | Tetrafluoroethane |
| Boiling point at 1 bar (14.5 psi) | -26.5 °C (-15.7 °F) |
| Solidification point | -101.6 °C (-150.88 °F) |
| Critical temperature | 100.6 °C (213 °F) |
| Critical pressure | 40.56 bar absolute (588 psi) equals 39.5 bar pressure (573 psi) |
Critical Point
Vehicle air conditioning systems make use of the
vaporization and condensation process. In this case, one works
with a substance which boils easily, designated as ref ...
Other materials:
Run-Flat Tire, Overview of a PAX Tire
PAX tires involve specially developed system that exhibits
the following differences in comparison to conventional tires:
Pax Tires with Supporting Ring
–
-I- PAX tires with air
...
Flat Spots, Correcting
Flat spots cannot be removed from tires with workshop
equipment.
Such flat spots can be "driven out" only by driving the car
until the tires are warm.
We do not recommend the following method during ...
Refrigerant Circuit with Expansion Valve and Evaporator
1 -
Evaporator
2 -
Expansion Valve
3 -
Valve for extracting, filling and measuring
4 -
Receiver/dryer with dryer bag/dryer cartridge
...
