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KF Components

KF components (DIN 28403, ISO 2861) represent the standard connection for vacuum lines up to nominal size DN50 in rough, fine and high vacuum.

KF Outer Centering Rings, O-Ring | 301698
Nominal diameter
16
Connection type
KF
Diameter
1.26 ″
Centering ring material
Aluminium
Support ring material
Aluminium
Gasket material
NBR
Purity class
PCS
Nominal diameter
16
Connection type
KF
Diameter
32 mm
Centering ring material
Aluminium
Support ring material
Aluminium
Gasket material
NBR
Purity class
PCS
$10.90
available
KF Outer Centering Rings, O-Ring | 301699
Nominal diameter
16
Connection type
KF
Diameter
1.26 ″
Centering ring material
Aluminium
Support ring material
Aluminium
Gasket material
FKM
Purity class
PCS
Nominal diameter
16
Connection type
KF
Diameter
32 mm
Centering ring material
Aluminium
Support ring material
Aluminium
Gasket material
FKM
Purity class
PCS
$13.50
available
KF Outer Centering Rings, O-Ring | 301811
Nominal diameter
25
Connection type
KF
Diameter
1.654 ″
Centering ring material
Aluminium
Support ring material
Aluminium
Gasket material
NBR
Purity class
PCS
Nominal diameter
25
Connection type
KF
Diameter
42 mm
Centering ring material
Aluminium
Support ring material
Aluminium
Gasket material
NBR
Purity class
PCS
$16.65
available
KF Outer Centering Rings, O-Ring | 301812
Nominal diameter
25
Connection type
KF
Diameter
1.654 ″
Centering ring material
Aluminium
Support ring material
Aluminium
Gasket material
FKM
Purity class
PCS
Nominal diameter
25
Connection type
KF
Diameter
42 mm
Centering ring material
Aluminium
Support ring material
Aluminium
Gasket material
FKM
Purity class
PCS
$7.50
available
KF Outer Centering Rings, O-Ring | 353245
Nominal diameter
25
Connection type
KF
Diameter
1.654 ″
Centering ring material
Aluminium
Support ring material
Aluminium
Gasket material
FKM
Purity class
PC2
Nominal diameter
25
Connection type
KF
Diameter
42 mm
Centering ring material
Aluminium
Support ring material
Aluminium
Gasket material
FKM
Purity class
PC2
$42.79
on request
KF Outer Centering Rings, O-Ring | 301996
Nominal diameter
40
Connection type
KF
Diameter
2.244 ″
Centering ring material
Aluminium
Support ring material
Aluminium
Gasket material
NBR
Purity class
PCS
Nominal diameter
40
Connection type
KF
Diameter
57 mm
Centering ring material
Aluminium
Support ring material
Aluminium
Gasket material
NBR
Purity class
PCS
$10.50
in production
KF Outer Centering Rings, O-Ring | 301997
Nominal diameter
40
Connection type
KF
Diameter
2.244 ″
Centering ring material
Aluminium
Support ring material
Aluminium
Gasket material
FKM
Purity class
PCS
Nominal diameter
40
Connection type
KF
Diameter
57 mm
Centering ring material
Aluminium
Support ring material
Aluminium
Gasket material
FKM
Purity class
PCS
$17.10
available
KF Outer Centering Rings, O-Ring | 353246
Nominal diameter
40
Connection type
KF
Diameter
2.244 ″
Centering ring material
Aluminium
Support ring material
Aluminium
Gasket material
FKM
Purity class
PC2
Nominal diameter
40
Connection type
KF
Diameter
57 mm
Centering ring material
Aluminium
Support ring material
Aluminium
Gasket material
FKM
Purity class
PC2
$101.68
on request
KF Outer Centering Rings, O-Ring | 302104
Nominal diameter
50
Connection type
KF
Diameter
3.031 ″
Centering ring material
Aluminium
Support ring material
Aluminium
Gasket material
NBR
Purity class
PCS
Nominal diameter
50
Connection type
KF
Diameter
77 mm
Centering ring material
Aluminium
Support ring material
Aluminium
Gasket material
NBR
Purity class
PCS
$27.00
available
KF Outer Centering Rings, O-Ring | 302105
Nominal diameter
50
Connection type
KF
Diameter
3.031 ″
Centering ring material
Aluminium
Support ring material
Aluminium
Gasket material
FKM
Purity class
PCS
Nominal diameter
50
Connection type
KF
Diameter
77 mm
Centering ring material
Aluminium
Support ring material
Aluminium
Gasket material
FKM
Purity class
PCS
$27.00
available
KF Outer Centering Rings, O-Ring | 353247
Nominal diameter
50
Connection type
KF
Diameter
3.031 ″
Centering ring material
Aluminium
Support ring material
Aluminium
Gasket material
FKM
Purity class
PC2
Nominal diameter
50
Connection type
KF
Diameter
77 mm
Centering ring material
Aluminium
Support ring material
Aluminium
Gasket material
FKM
Purity class
PC2
$76.94
on request
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