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Header Back-up ring

Static Seals 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 BU – unslotted

Closed rectangular profile for split grooves ...
Back-up Ring BU – unslotted
Applications
static
static
static
dynamic
single acting
single acting
double acting
double acting
Linear
Linear
Rotating
Rotating
oszilating
oszilating
Main use protective element for elastomeric sealants against gap extrusion
Materials PTFE, PTFE with filling material
Technical values
Materials: PTFE
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
Product details

Back-up Ring BG – slotted

Slotted rectangular profile, assembly ease for closed grooves ...
Back-up Ring BG – slotted
Applications
static
static
static
dynamic
single acting
single acting
double acting
double acting
Linear
Linear
Rotating
Rotating
oszilating
oszilating
Main use protective element for elastomeric sealants against gap extrusion
Materials PTFE, PTFE with filling material
Technical values
Materials: PTFE
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
Product details

Back-up Ring BS - spiral form

Spiral supporting element, assembly ease for all groove designs ...
Back-up Ring BS - spiral form
Applications
static
static
static
dynamic
single acting
single acting
double acting
double acting
Linear
Linear
Rotating
Rotating
oszilating
oszilating
Main use protective element for elastomeric sealants against gap extrusion
Materials PTFE, PTFE with filling material
Technical values
Materials: PTFE
Pressure: static up to 250 MPa
linear up to 40 MPa
rotatoy up to 5 MPa
Temperature: -200°C / +260°C (material dependent)
Speed: linear up to 0,5 m/s
rotatory up to 2 m/s
Product details

Back-up Ring BB – concave unslotted

Closed profile with a concave groove for split grooves ...
Back-up Ring BB – concave unslotted
Applications
static
static
static
dynamic
single acting
single acting
double acting
double acting
Linear
Linear
Rotating
Rotating
oszilating
oszilating
Main use protective element for elastomeric sealants against gap extrusion
Materials PTFE, PTFE with filling material
Technical values
Materials: PTFE
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
Product details

Back-up Ring BC - concave slotted

Slotted profile with a concave groove, assembly ease for closed grooves ...
Back-up Ring BC - concave slotted
Applications
static
static
static
dynamic
single acting
single acting
double acting
double acting
Linear
Linear
Rotating
Rotating
oszilating
oszilating
Main use protective element for elastomeric sealants against gap extrusion
Materials PTFE, PTFE with filling material
Technical values
Materials: PTFE
Pressure: static up to 250 MPa static
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
Product details

Back-up Ring BE - concave unslotted

Elastomere, closed profile with a concave groove for split grooves ...
Back-up Ring BE - concave unslotted
Applications
static
static
static
dynamic
single acting
single acting
double acting
double acting
Linear
Linear
Rotating
Rotating
oszilating
oszilating
Main use protective element for elastomeric sealants against gap extrusion
Materials elastomers
Technical values
Materials:
Pressure: static up to 30 MPa static
linear up to 20 MPa
Temperature: -30°C / +80°C (material dependent)
Speed: up to 0,5 m/s
Pressure: static up to 30 MPa
linear up to 10 MPa
Temperature: -20°C / +200°C (material dependent)
Speed: up to 0,5 m/s
Product details
Mr. Andreas Raidt
Your contact person for

Technology - General sealing topics, special constructions

Mr. Andreas Raidt
Head of Engineering
Do you have any questions, ideas, or suggestions? We are more than happy to assist you with advice. In person, over the phone, or digitally.
 Mr. Andreas Raidt
To the request form

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