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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 Centering Rings, O-Ring | 301629
Nominal diameter
10
Connection type
KF
Diameter
0.472 ″
Centering ring material
Stainless steel 316L
Gasket material
FKM
Bakeout temperature
302 °F
Min. operating temperature
14 °F
Purity class
PCS
Nominal diameter
10
Connection type
KF
Diameter
12 mm
Centering ring material
Stainless steel 316L
Gasket material
FKM
Bakeout temperature
150 °C
Min. operating temperature
-10 °C
Purity class
PCS
$6.10
available
KF Centering Rings, O-Ring | 301631
Nominal diameter
10
Connection type
KF
Diameter
0.472 ″
Centering ring material
Stainless steel 316L
Gasket material
FKM low outgassing
Bakeout temperature
302 °F
Min. operating temperature
14 °F
Purity class
PCS
Nominal diameter
10
Connection type
KF
Diameter
12 mm
Centering ring material
Stainless steel 316L
Gasket material
FKM low outgassing
Bakeout temperature
150 °C
Min. operating temperature
-10 °C
Purity class
PCS
$20.70
on request
KF Centering Rings, blind, without O-Ring | 313567
Nominal diameter
16
Connection type
KF
Diameter
0.677 ″
Centering ring material
Stainless steel 316L
Purity class
PCS
Nominal diameter
16
Connection type
KF
Diameter
17,2 mm
Centering ring material
Stainless steel 316L
Purity class
PCS
$13.00
available
KF Centering Rings without O-Ring | 301716
Nominal diameter
16
Connection type
KF
Diameter
0.677 ″
Centering ring material
Stainless steel 316L
Purity class
PCS
Nominal diameter
16
Connection type
KF
Diameter
17,2 mm
Centering ring material
Stainless steel 316L
Purity class
PCS
$6.00
available
KF Centering Rings, O-Ring | 301758
Nominal diameter
16
Connection type
KF
Diameter
0.669 ″
Centering ring material
Stainless steel 316L
Gasket material
FKM
Bakeout temperature
302 °F
Min. operating temperature
14 °F
Purity class
PCS
Nominal diameter
16
Connection type
KF
Diameter
17 mm
Centering ring material
Stainless steel 316L
Gasket material
FKM
Bakeout temperature
150 °C
Min. operating temperature
-10 °C
Purity class
PCS
$8.00
in production
KF Centering Rings, O-Ring | 354941
Nominal diameter
16
Connection type
KF
Diameter
0.669 ″
Centering ring material
Stainless steel 316L
Gasket material
FKM
Bakeout temperature
302 °F
Min. operating temperature
14 °F
Purity class
PCS
Nominal diameter
16
Connection type
KF
Diameter
17 mm
Centering ring material
Stainless steel 316L
Gasket material
FKM
Bakeout temperature
150 °C
Min. operating temperature
-10 °C
Purity class
PCS
$11.93
on request
KF Centering Rings, O-Ring | 301761
Nominal diameter
16
Connection type
KF
Diameter
0.669 ″
Centering ring material
Stainless steel 316L
Gasket material
FKM low outgassing
Bakeout temperature
302 °F
Min. operating temperature
14 °F
Purity class
PCS
Nominal diameter
16
Connection type
KF
Diameter
17 mm
Centering ring material
Stainless steel 316L
Gasket material
FKM low outgassing
Bakeout temperature
150 °C
Min. operating temperature
-10 °C
Purity class
PCS
$25.00
available
KF Centering Rings, blind, without O-Ring | 313568
Nominal diameter
25
Connection type
KF
Diameter
1.031 ″
Centering ring material
Stainless steel 316L
Purity class
PCS
Nominal diameter
25
Connection type
KF
Diameter
26,2 mm
Centering ring material
Stainless steel 316L
Purity class
PCS
$18.50
available
KF Centering Rings without O-Ring | 301827
Nominal diameter
25
Connection type
KF
Diameter
1.031 ″
Centering ring material
Stainless steel 316L
Purity class
PCS
Nominal diameter
25
Connection type
KF
Diameter
26,2 mm
Centering ring material
Stainless steel 316L
Purity class
PCS
$8.00
available
KF Centering Rings, O-Ring | 301883
Nominal diameter
25
Connection type
KF
Diameter
1.024 ″
Centering ring material
Stainless steel 316L
Gasket material
FKM
Bakeout temperature
302 °F
Min. operating temperature
14 °F
Purity class
PCS
Nominal diameter
25
Connection type
KF
Diameter
26 mm
Centering ring material
Stainless steel 316L
Gasket material
FKM
Bakeout temperature
150 °C
Min. operating temperature
-10 °C
Purity class
PCS
$7.20
available
KF Centering Rings, O-Ring | 340142
Nominal diameter
25
Connection type
KF
Diameter
1.024 ″
Centering ring material
Stainless steel 316L
Gasket material
FKM
Bakeout temperature
302 °F
Min. operating temperature
14 °F
Purity class
PCS
Nominal diameter
25
Connection type
KF
Diameter
26 mm
Centering ring material
Stainless steel 316L
Gasket material
FKM
Bakeout temperature
150 °C
Min. operating temperature
-10 °C
Purity class
PCS
$14.38
on request
KF Centering Rings, O-Ring | 301885
Nominal diameter
25
Connection type
KF
Diameter
1.024 ″
Centering ring material
Stainless steel 316L
Gasket material
FKM low outgassing
Bakeout temperature
302 °F
Min. operating temperature
14 °F
Purity class
PCS
Nominal diameter
25
Connection type
KF
Diameter
26 mm
Centering ring material
Stainless steel 316L
Gasket material
FKM low outgassing
Bakeout temperature
150 °C
Min. operating temperature
-10 °C
Purity class
PCS
$21.80
in production
KF Centering Rings, blind, without O-Ring | 302016
Nominal diameter
40
Connection type
KF
Diameter
1.622 ″
Centering ring material
Stainless steel 316L
Purity class
PCS
Nominal diameter
40
Connection type
KF
Diameter
41,2 mm
Centering ring material
Stainless steel 316L
Purity class
PCS
$70.00
available
KF Centering Rings without O-Ring | 302018
Nominal diameter
40
Connection type
KF
Diameter
1.622 ″
Centering ring material
Stainless steel 316L
Purity class
PCS
Nominal diameter
40
Connection type
KF
Diameter
41,2 mm
Centering ring material
Stainless steel 316L
Purity class
PCS
$7.30
available
KF Centering Rings, O-Ring | 302076
Nominal diameter
40
Connection type
KF
Diameter
1.614 ″
Centering ring material
Stainless steel 316L
Gasket material
FKM
Bakeout temperature
302 °F
Min. operating temperature
14 °F
Purity class
PCS
Nominal diameter
40
Connection type
KF
Diameter
41 mm
Centering ring material
Stainless steel 316L
Gasket material
FKM
Bakeout temperature
150 °C
Min. operating temperature
-10 °C
Purity class
PCS
$9.40
on request
KF Centering Rings, O-Ring | 302079
Nominal diameter
40
Connection type
KF
Diameter
1.614 ″
Centering ring material
Stainless steel 316L
Gasket material
FKM low outgassing
Bakeout temperature
302 °F
Min. operating temperature
14 °F
Purity class
PCS
Nominal diameter
40
Connection type
KF
Diameter
41 mm
Centering ring material
Stainless steel 316L
Gasket material
FKM low outgassing
Bakeout temperature
150 °C
Min. operating temperature
-10 °C
Purity class
PCS
$24.10
available
KF Centering Rings, blind, without O-Ring | 313569
Nominal diameter
50
Connection type
KF
Diameter
2.055 ″
Centering ring material
Stainless steel 316L
Purity class
PCS
Nominal diameter
50
Connection type
KF
Diameter
52,2 mm
Centering ring material
Stainless steel 316L
Purity class
PCS
$26.10
in production
KF Centering Rings without O-Ring | 302118
Nominal diameter
50
Connection type
KF
Diameter
2.055 ″
Centering ring material
Stainless steel 316L
Purity class
PCS
Nominal diameter
50
Connection type
KF
Diameter
52,2 mm
Centering ring material
Stainless steel 316L
Purity class
PCS
$16.00
in production
KF Centering Rings, O-Ring | 302160
Nominal diameter
50
Connection type
KF
Diameter
2.047 ″
Centering ring material
Stainless steel 316L
Gasket material
FKM
Bakeout temperature
302 °F
Min. operating temperature
14 °F
Purity class
PCS
Nominal diameter
50
Connection type
KF
Diameter
52 mm
Centering ring material
Stainless steel 316L
Gasket material
FKM
Bakeout temperature
150 °C
Min. operating temperature
-10 °C
Purity class
PCS
$14.60
in production
KF Centering Rings, O-Ring | 302162
Nominal diameter
50
Connection type
KF
Diameter
2.047 ″
Centering ring material
Stainless steel 316L
Gasket material
FKM low outgassing
Bakeout temperature
302 °F
Min. operating temperature
14 °F
Purity class
PCS
Nominal diameter
50
Connection type
KF
Diameter
52 mm
Centering ring material
Stainless steel 316L
Gasket material
FKM low outgassing
Bakeout temperature
150 °C
Min. operating temperature
-10 °C
Purity class
PCS
$29.40
available
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