Static Sealing

Back-up Ring

Additional protection element (without sealing function) to prevent gap extrusion with sealing components. To be used for pressures above 5 MPa.

Back-up Ring BG – slotted

The Back-up ring BG has a slotted rectangular profile and because of its assembly ease, it is particularly suitable for closed grooves or for all installations.

Back-up rings are exactly adapted to the groove height and are turned with standard PTFE virgin material. The required groove width increases by the width of the back-up rings.

fields of application
static
dynamic
single-acting
double-acting
linear
rotatory
oscillating
materials
PTFE, PTFE with filling material
technical data
pressure static up to 250 MPa
linear up to 40 MPa
rotatory up to 15 MPa
temperature -200°C / +260°C (material dependent)
speed linear up to 0,5 m/s
rotatory up to 2 m/s
Maximum values temperature, speed and pressure are simultaneously not applicable! The values vary in dependence of material and media. For technical queries please contact our application consultants – we have the right solution for you. 

Your contact person regarding

Technical topics - special designs

Do you have any questions, ideas or suggestions?

We would be happy to advise you.

Personally, by phone or in digital form.

Mr. Andreas Raidt
+49 (0) 7034 2518 - 240

ara(a)ulman.de

to the enquiry form

to
top