DIN 74324 standard PA11 PA12 tubing

Views: 105     Author: Site Editor     Publish Time: 2022-12-25      Origin: Site

DIN 74324-1 is the requirement of air braking systems Thermoplastic tubing, polyamid PA 12HIPHL, PA 11PHLY, PA 12PHLY.


This standard specifies requirements and methods of test for single-ply tubing of polyamide (as in DIN 73378) for use in the air braking systems of road vehicles and trailers (cf. definitions in DIN 7001 O).

DIN 74324 PHL PA 12 tubing dimensions

The polyamide materials covered by this standard (cf. clause 6) are resistant to ageing under normal service conditions (i.e. the working pressures and temperatures specified in tables 2 and 3), and, when not under pressure, for three hours at 125°C.


The specifications according to DIN 74324-2 apply to the installation note.


raw materials

Brand new granulate is used for the manufacture of the pipes use. Here, ground material from the pipe production and from unused pipes to a mass an part of a maximum of 20% of the new material of the same shape mass to be added. The grist must from own production. The quality of the pipes must all and meet the requirements. Recyclable (see Appendix B) of used pipes, however, must not be used.

DIN 74324 Permissible operating pressures at 23 °C for pipes up to 100 °C operating temperature

Permissible operating pressures at 23 °C, for pipes up to 100 °C operating temperature

DIN 74324 Permissible operating pressures at 23 °C for pipes up to 60 °C operating temperature

Permissible operating pressures at 23 °C for pipes up to 60 °C operating temperature


Fitsch is a professional manufacturer of PA 12PHL tubing,Polyamid Tubing, Plastic tubing for Grease line, also offer the related lubrication tube fittings DIN 2353 and DIN 3861 type seal. 


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