Universal Expansion joints

With multi-ply stainless steel bellows; available in versions for internal sleeves, special materials and other varying flange tube designs.

In our standard range, we offer 3 expansion joint types per pressure stage and nominal diameter, which differ in terms of low, medium and high absorption of movements. Standard types can be tailored easily to your individual needs.

Do you need a special design? Please get in touch with us.

HYDRA universal expansion joints standard program

Universal expansion joints UBN stainless steel Witzenmann

Type UBN

Universal expansion joints with swivel flanges

Type UFN

Universal expansion joints with plain fixed flanges

Universal expansion joints URN stainless steel Witzenmann

Type URN

Universal expansion joints with welding ends

HYDRA universal expansion joints standard program - low pressure

TYPE UBN - low pressure

Universal expansion joints for low pressure (exhaust) with swivelling flanges

Type UFN - low pressure

Universal expansion joints for low pressure (exhaust gas) with plain fixed flanges

Type URN - low pressure

Universal expansion joints for low pressure (exhaust gas) with welding ends

CUSTOMISED SOLUTIONS

We can do more than just standard. We also find solutions for your demands.

4 HYDRA expansion joints

for nuclear steam pipelines

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HYDRA universal expansion joints

for a solar power plant

We are engineering partners for all industrial sectors

Next steps

Downloads

Expansion Joints Manual

Product Overview HYDRA® Expansion Joints

General Operating and installation instructions for HYDRA® Expansion Joints

Enquiry Form Expansion Joints Pressure Equipment 2014/68/EU

Enquiry Form for Expansion Joints

EN ISO 14001:2016

All downloads

Configure product

Configure products for your individual needs quickly and easily with our FLEXPERTE tool.

Details:

Designing of Standard Products
Preparation of Technical Data Sheets
Preparation of Enquiries

Start configuration

Download: FLEXPERTE customer version

FLEXPERTE: The design programme for the entire product range of the Witzenmann Group with a function-specific classification

Flexible metal hoses
Expansion joints
Metal bellows
Bearings, hangers, supports

Apart from the calculation formulas, drawing data as well as entire 3D CAD drawings are stored. Provided with PDS and PDMS interfaces, the program can be used multifacetedly and universally.