Views: 584 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).
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.
Permissible operating pressures at 23 °C, for pipes up to 100 °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.