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:

Dust Cloth -VAS6177
Definition: Dust Cloth -VAS6177- Product Description: Dust cloth with extremely effective light adhesive formula for critical cleaning tasks. Unlike traditional dust cloths, this cloth does n ...

Two-Part HS Brilliant Plus Clear Coat
Definition: Two-Part HS Brilliant Plus Clear Coat -LZK 769 K05 A5- Edition 02/2012 Product Description Two-part HS brilliant clear coat is a high-gloss, VOC compliant high so ...

Long-Term Underbody Protection -D 314 D37 M2-, Black
Definition: Long-Term Underbody Protection -D 314 D37 M2-, Black Edition 02/2010 Product description of Long-Term Underbody Protection -D 314 D37 M2-, Black Long-Term Underbo ...

© 2016-2026 Copyright www.vwpolo.net