VW Polo manuals

Volkswagen Polo Service & Repair Manual: Refrigerant R134a Physical Data

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 refrigerant.
The refrigerant employed is tetrafluoroethane R134a, which boils at -26.5 °C (-15.7 °F) at a vapor pressure of 1 bar (14.5 psi).
   
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)
Refrigerant R134a
...

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:

Two-Part Steel Filling Paste Set
Definition: Two-Part Steel Filling Paste Set -DA 787 300 A2- Edition 09/2012 Product Description This filling paste is made of polyester and a metal powder mixture and is use ...

One-Part Wash Primer
Definition: One-Part Wash Primer -LLS MAX 106 M2-, light gray One-Part Wash Primer -LLS MAX 107 M2-, dark gray Edition 03/2013 Product Description The ...

Rims
First read and observe the introductory information and safety warningsThe design of the wheel bolts is matched to the rims. If different rims are fitted, the correct wheel bolts with the right length and correctly shaped bolt heads must be used. This ensures that wheels are fitted securely ...

© 2016-2026 Copyright www.vwpolo.net