Backup Rings

Backrings are mainly used to minimise gaps that arise during production or as a result of wear and tear on metal components.

By using such accessories (multi-part geometries with the aid of elastomers or thermoplastics) the backrings become an active aid to ensure the completeness of the seal.

min.Temp max.Temp max. Speed max. Pressure Material
-50
100
POM
-200
260
PTFE
-60
250
PEEK
-200
260
PTFE filled
min.Temp max.Temp max. Speed max. Pressure Material
-200
80
UHMW-PE
-20*C
115*C
HPU 94*
-20*C
115*C
HPU 55*D
-20*C
110*C
SL-PU 94*
-50*C
110*C
LT-PU 94*

SWST108

min.Temp max.Temp max. Speed max. Pressure Material
-50
100
POM
-200
260
PTFE
-60
250
PEEK
-200
260
PTFE filled
min.Temp max.Temp max. Speed max. Pressure Material
-200
80
UHMW-PE
-20*C
115*C
HPU 94*
-20*C
115*C
HPU 55*D
-20*C
110*C
SL-PU 94*
-50*C
110*C
LT PU 94*

SWST109

min.Temp max.Temp max. Speed max. Pressure Material / Case
-50
100
POM
-200
260
PTFE
-60
250
PEEK
-200
260
PTFE filled
min.Temp max.Temp max. Speed max. Pressure Material / Case
200
80
UHMW-PE
– 20* C
115*C
HPU 94*
– 20* C
115*C
HPU 55*D
-20*C
110*C
SL-PU 94*
-50*C
110*C
LT-PU 94*

SWST110

min.Temp max.Temp max. Speed max. Pressure Material
-50
100
POM
-200
260
PTFE
-60
250
PEEK
-200
260
PTFE filled
min.Temp max.Temp max. Speed max. Pressure Material
-200
80
UHMW-PE
– 20* C
115*C
HPU 94*
– 20* C
115*C
HPU 55*D
-20*C
110*C
SL-PU 94*
– 60* C
110*C
LT-PU 94*

SWST111

min.Temp max.Temp max. Speed max. Pressure Material
-50
100
POM
-200
260
PTFE
-60
250
PEEK
-200
260
PTFE filled
min.Temp max.Temp max. Speed max. Pressure Material
-200
80
UHMW-PE
– 20* C
115*C
HPU 94*
– 20* C
115*C
HPU 55*D
-20*C
110*C
SL-PU 94*
-50*C
110*C
LT-PU 94*

SWST112

min.Temp max.Temp max. Speed max. Pressure Material / Case
-50
100
POM
-200
260
PTFE
-60
250
PEEK
-200
260
PTFE filled
min.Temp max.Temp max. Speed max. Pressure Material / Case
-200
80
UHMW-PE
– 20* C
115*C
HPU 94*
– 20* C
115*C
HPU 55*D
-20*C
110*C
SL-PU 94*
-50*C
110*C
LT-PU 94*

SWST113

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