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Back-up rings

Bagues anti-extrusion - Back-up rings - 420 x 185

Back-up rings

 

The back-up rings are generally combined with primary seals (or O'Rings) and are used to help the O'Rings resist the effects of extrusion. A back-up ring is required for increased pressures or significant extrusion gaps in the system. Several types of back-up rings are available - concave, single spire, double spire - cut or uncut - in rubber, PTFE, POM and PA, among others.

BECA 008
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BECA 008
BECA 008
Materials: NBR/FKM
Temperature:

-30°C / +200°C

Pressure:

20 MPa alternating

Speed:

2 m/s alternating

BECA 008P Piston
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BECA 008 PTFE
BECA 008P Piston
Materials: PTFE
Temperature:

-200°C / +260°C

Pressure:

20 MPa alternating

Speed:

2 m/s alternating

BECA 008P Rod
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BECA 008 PTFE
BECA 008P Rod
Materials: PTFE
Temperature:

-200°C / +260°C

Pressure:

20 MPa alternating

Speed:

2 m/s alternating

BECA 011 Piston
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BECA 011
BECA 011 Piston
Materials: PTFE
Temperature:

-200°C / +260°C

Pressure:

40 MPa alternating

Speed:

2 m/s alternating

BECA 011 Rod
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BECA 011
BECA 011 Rod
Materials: PTFE
Temperature:

-200°C / +260°C

Pressure:

40 MPa alternating

Speed:

2 m/s alternating 

BECA 012 Piston
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BECA 012
BECA 012 Piston
Materials: PTFE
Temperature:

-200°C / +260°C

Pressure:

40 MPa alternating

Speed:

2 m/s alternating

BECA 012 Rod
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BECA 012
BECA 012 Rod
Materials: PTFE
Temperature:

-200°C / +260°C

Pressure:

40 MPa alternating

Speed:

2 m/s alternating