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 ...
product details
product details
fields of application
static
dynamic
single-acting
double-acting
linear
rotatory
oscillating
main use
protective element for elastomeric sealants against gap extrusion
materials
PTFE,
PTFE with filling material
technical data
material
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 |
Back-up ring BG – slotted
Slotted rectangular profile, assembly ease for closed grooves ...
product details
product details
fields of application
static
dynamic
single-acting
double-acting
linear
rotatory
oscillating
main use
protective element for elastomeric sealants against gap extrusion
materials
PTFE,
PTFE with filling material
technical data
material
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 |
Back-up ring BS - spiral form
Spiral supporting element, assembly ease for all groove designs ...
product details
product details
fields of application
static
dynamic
single-acting
double-acting
linear
rotatory
oscillating
main use
protective element for elastomeric sealants against gap extrusion
materials
PTFE,
PTFE with filling material
technical data
material
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 |
Back-up ring BB – concave unslotted
Closed profile with a concave groove for split grooves ...
product details
product details
fields of application
static
dynamic
single-acting
double-acting
linear
rotatory
oscillating
main use
protective element for elastomeric sealants against gap extrusion
materials
PTFE,
PTFE with filling material
technical data
material
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 |
Back-up ring BC - concave slotted
Slotted profile with a concave groove, assembly ease for closed grooves ...
product details
product details
fields of application
static
dynamic
single-acting
double-acting
linear
rotatory
oscillating
main use
protective element for elastomeric sealants against gap extrusion
materials
PTFE,
PTFE with filling material
technical data
material
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 |
Back-up ring BE - concave unslotted
Elastomere, closed profile with a concave groove for split grooves ...
product details
product details
fields of application
static
dynamic
single-acting
double-acting
linear
rotatory
oscillating
main use
protective element for elastomeric sealants against gap extrusion
materials
elastomers
technical data
material
| 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 |