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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 Hoses | 300990
Nominal diameter
25
Connection type
KF
Outer diameter
1.575 ″
Dynamic bend radius
7.087 ″
Static bend radius
1.496 ″
Flange material
Stainless steel 316L
Bellow material
Stainless steel 316L
Purity class
PCS
Nominal diameter
25
Connection type
KF
Outer diameter
40 mm
Dynamic bend radius
180 mm
Static bend radius
38 mm
Flange material
Stainless steel 316L
Bellow material
Stainless steel 316L
Purity class
PCS
$127.46
available
KF Centering Rings, O-Ring | 301618
Nominal diameter
10
Connection type
KF
Diameter
0.472 ″
Centering ring material
Aluminium
Gasket material
NBR
Bakeout temperature
212 °F
Min. operating temperature
14 °F
Purity class
PCS
Nominal diameter
10
Connection type
KF
Diameter
12 mm
Centering ring material
Aluminium
Gasket material
NBR
Bakeout temperature
100 °C
Min. operating temperature
-10 °C
Purity class
PCS
$3.50
available
KF Centering Rings, O-Ring | 301619
Nominal diameter
10
Connection type
KF
Diameter
0.472 ″
Centering ring material
Aluminium
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
Aluminium
Gasket material
FKM
Bakeout temperature
150 °C
Min. operating temperature
-10 °C
Purity class
PCS
$6.00
available
KF Blank Flanges | 301621
Nominal diameter
10
Connection type
KF
Outer diameter
1.181 ″
Flange material
Stainless steel 304L
Purity class
PCS
Nominal diameter
10
Connection type
KF
Outer diameter
30 mm
Flange material
Stainless steel 304L
Purity class
PCS
$19.00
available
KF-G Adapters, G-external Thread | 301624
Nominal diameter
10
Connection type
KF
Outer diameter
1.181 ″
Flange material
Stainless steel 316L
G pipe thread
G 1/4"
Purity class
PCS
Nominal diameter
10
Connection type
KF
Outer diameter
30 mm
Flange material
Stainless steel 316L
G pipe thread
G 1/4"
Purity class
PCS
$69.00
on request
KF O-Rings | 301626
Connection type
KF
Nominal diameter
10
Diameter
0.591 ″
Gasket material
NBR
Bakeout temperature
212 °F
Min. operating temperature
14 °F
Purity class
PCS
Connection type
KF
Nominal diameter
10
Diameter
15 mm
Gasket material
NBR
Bakeout temperature
100 °C
Min. operating temperature
-10 °C
Purity class
PCS
$2.84
available
KF Centering Rings, O-Ring | 301627
Nominal diameter
10
Connection type
KF
Diameter
0.472 ″
Centering ring material
Stainless steel 304L
Gasket material
NBR
Bakeout temperature
212 °F
Min. operating temperature
14 °F
Purity class
PCS
Nominal diameter
10
Connection type
KF
Diameter
12 mm
Centering ring material
Stainless steel 304L
Gasket material
NBR
Bakeout temperature
100 °C
Min. operating temperature
-10 °C
Purity class
PCS
$10.00
available
KF Centering Rings, O-Ring | 301628
Nominal diameter
10
Connection type
KF
Diameter
0.472 ″
Centering ring material
Stainless steel 304L
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 304L
Gasket material
FKM
Bakeout temperature
150 °C
Min. operating temperature
-10 °C
Purity class
PCS
$6.50
available
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 O-Rings | 301633
Connection type
KF
Nominal diameter
10
Diameter
0.591 ″
Gasket material
FKM
Bakeout temperature
302 °F
Min. operating temperature
14 °F
Purity class
PCS
Connection type
KF
Nominal diameter
10
Diameter
15 mm
Gasket material
FKM
Bakeout temperature
150 °C
Min. operating temperature
-10 °C
Purity class
PCS
$2.00
available
KF O-Rings | 307190
Connection type
KF
Nominal diameter
10
Diameter
0.591 ″
Gasket material
FKM low outgassing
Bakeout temperature
302 °F
Min. operating temperature
14 °F
Purity class
PCS
Connection type
KF
Nominal diameter
10
Diameter
15 mm
Gasket material
FKM low outgassing
Bakeout temperature
150 °C
Min. operating temperature
-10 °C
Purity class
PCS
$13.00
available
KF Reducing Centering Rings | 301780
Nominal diameter
25
Connection type
KF
Diameter
1.024 ″
Centering ring material
Aluminium
Gasket material
NBR
Bakeout temperature
212 °F
Purity class
PCS
Nominal diameter
25
Connection type
KF
Diameter
26 mm
Centering ring material
Aluminium
Gasket material
NBR
Bakeout temperature
100 °C
Purity class
PCS
$4.00
available
KF Reducing Centering Rings | 301781
Nominal diameter
25
Connection type
KF
Diameter
1.024 ″
Centering ring material
Aluminium
Gasket material
FKM
Bakeout temperature
302 °F
Purity class
PCS
Nominal diameter
25
Connection type
KF
Diameter
26 mm
Centering ring material
Aluminium
Gasket material
FKM
Bakeout temperature
150 °C
Purity class
PCS
$6.00
available
KF Tension Ring for Elastomer Gasket, massive | 400753
Nominal diameter
25
Connection type
KF
Diameter
2.165 ″
Adapter material
Stainless steel 304
Bakeout temperature
392 °F
Purity class
PCS
Nominal diameter
25
Connection type
KF
Diameter
55 mm
Adapter material
Stainless steel 304
Bakeout temperature
200 °C
Purity class
PCS
$12.00
in production
KF Edge Seals | 301782
Connection type
KF
Nominal diameter
25
Diameter 2
1.654 ″
Gasket material
Aluminium
Purity class
PCS
Connection type
KF
Nominal diameter
25
Diameter 2
42 mm
Gasket material
Aluminium
Purity class
PCS
$11.00
in production
KF Edge Seals | 365607
Connection type
KF
Nominal diameter
25
Diameter 2
1.654 ″
Gasket material
Aluminium
Purity class
PC1
Connection type
KF
Nominal diameter
25
Diameter 2
42 mm
Gasket material
Aluminium
Purity class
PC1
$15.63
on request
KF Tension Ring for Metal Gasket | 301783
Nominal diameter
25
Connection type
KF
Outer diameter
2.618 ″
Adapter material
Stainless steel 304L
Purity class
PCS
Nominal diameter
25
Connection type
KF
Outer diameter
66,5 mm
Adapter material
Stainless steel 304L
Purity class
PCS
$69.71
available
KF Tension Ring for Metal Gasket | 340931
Nominal diameter
25
Connection type
KF
Outer diameter
2.618 ″
Adapter material
Stainless steel 304L
Purity class
PC2
Nominal diameter
25
Connection type
KF
Outer diameter
66,5 mm
Adapter material
Stainless steel 304L
Purity class
PC2
$95.26
on request
KF Tension Ring for Metal Gasket | 407963
Nominal diameter
25
Connection type
KF
Outer diameter
2.953 ″
Adapter material
Aluminium
Purity class
PCS
Nominal diameter
25
Connection type
KF
Outer diameter
75 mm
Adapter material
Aluminium
Purity class
PCS
$38.00
in production
KF Tension Ring for Metal Gasket | 351664
Nominal diameter
25
Connection type
KF
Outer diameter
2.953 ″
Adapter material
Aluminium
Purity class
PC2
Nominal diameter
25
Connection type
KF
Outer diameter
75 mm
Adapter material
Aluminium
Purity class
PC2
$48.32
on request
KF Reducing Centering Rings | 301785
Nominal diameter
25
Connection type
KF
Diameter
1.024 ″
Centering ring material
Stainless steel 304
Gasket material
NBR
Bakeout temperature
212 °F
Purity class
PCS
Nominal diameter
25
Connection type
KF
Diameter
26 mm
Centering ring material
Stainless steel 304
Gasket material
NBR
Bakeout temperature
100 °C
Purity class
PCS
$9.00
available
KF Reducing Centering Rings | 301786
Nominal diameter
25
Connection type
KF
Diameter
1.024 ″
Centering ring material
Stainless steel 304
Gasket material
FKM
Bakeout temperature
302 °F
Purity class
PCS
Nominal diameter
25
Connection type
KF
Diameter
26 mm
Centering ring material
Stainless steel 304
Gasket material
FKM
Bakeout temperature
150 °C
Purity class
PCS
$10.00
available
KF Edge Seals | 301787
Connection type
KF
Nominal diameter
25
Diameter 2
1.654 ″
Gasket material
PTFE
Purity class
PCS
Connection type
KF
Nominal diameter
25
Diameter 2
42 mm
Gasket material
PTFE
Purity class
PCS
$6.00
in production
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