hpk ltd

Welcome to the pros

We love steel! We offer you everything about chrome steel and much more!

hpk ltd

food industry

Would you like to work with professionals?

hpk gmbh

New project?

Reach better with hpk llc.


NEW: We now also weld PVDF.

We offer you

first class service in and around the welding of chrome steel and other materials.

The gear

have to turn. Processes are common thanks to our extensive and long-standing experience.

Customer Service

is a must. If there are any problems, we are quickly on site and you can count on us in the event of breakdowns.

Factory area

we know from inside and outside. We are familiar with and familiar with all standards and processes.

We now also process PVDF for you


PVDF = Polvinylidenfluorid
WNF  = Bead and groove free welding


Application areas:

- Semiconductor technology
- Chemical industry
- Energy
- water treatment
- Phara & Biotech industry
- Food (concentrate lines)



With relatively balanced mechanical properties, polyvinylidene fluoride (PVDF) is a highly crystalline, thermoplastic fluoroplastic with relatively balanced mechanical properties!


Compared to PTFE, PVDF has a significantly better rigidity and compressive strength, but also has a considerably lower continuous operating temperature of only 150 ° C.

hpk gmbh

adress office:

hagnetstrasse 33
3184 wünnewil,

adress workshop:

neueneggstrasse 22
3177 laupen,


office: +41 (0) 26 496 27 14

mobile: +41 (0) 79 230 58 49

fax: +41 (0) 26 496 27 11