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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 Bulkhead clamps | 318939
Nominal diameter
16
Connection type
KF
Diameter
1.496 ″
Pitch circle diameter
1.496 ″
Flange material
Aluminium
Incl. screws
No
Purity class
PC2
Nominal diameter
16
Connection type
KF
Diameter
38 mm
Pitch circle diameter
38 mm
Flange material
Aluminium
Incl. screws
No
Purity class
PC2
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in production
KF Bulkhead clamps | 318941
Nominal diameter
25
Connection type
KF
Diameter
1.89 ″
Pitch circle diameter
1.89 ″
Flange material
Aluminium
Incl. screws
No
Purity class
PC2
Nominal diameter
25
Connection type
KF
Diameter
48 mm
Pitch circle diameter
48 mm
Flange material
Aluminium
Incl. screws
No
Purity class
PC2
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available
KF Bulkhead clamps | 318938
Nominal diameter
40
Connection type
KF
Diameter
2.48 ″
Pitch circle diameter
2.48 ″
Flange material
Aluminium
Incl. screws
No
Purity class
PC2
Nominal diameter
40
Connection type
KF
Diameter
63 mm
Pitch circle diameter
63 mm
Flange material
Aluminium
Incl. screws
No
Purity class
PC2
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available
KF Elbows 90° | 352021
Nominal diameter
25
Connection type
KF
Outer diameter
1.575 ″
Flange material
Aluminium
Shape
Angled
Purity class
PC2
Nominal diameter
25
Connection type
KF
Outer diameter
40 mm
Flange material
Aluminium
Shape
Angled
Purity class
PC2
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on request
KF Hoses | 352018
Nominal diameter
25
Connection type
KF
Outer diameter
1.575 ″
Dynamic bend radius
7.677 ″
Static bend radius
1.496 ″
Flange material
Stainless steel 304L
Bellow material
Stainless steel 321
Purity class
PC2
Nominal diameter
25
Connection type
KF
Outer diameter
40 mm
Dynamic bend radius
195 mm
Static bend radius
38 mm
Flange material
Stainless steel 304L
Bellow material
Stainless steel 321
Purity class
PC2
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KF Hoses | 350919
Nominal diameter
25
Connection type
KF
Outer diameter
1.575 ″
Dynamic bend radius
7.677 ″
Static bend radius
1.496 ″
Flange material
Stainless steel 304L
Bellow material
Stainless steel 321
Purity class
PC2
Nominal diameter
25
Connection type
KF
Outer diameter
40 mm
Dynamic bend radius
195 mm
Static bend radius
38 mm
Flange material
Stainless steel 304L
Bellow material
Stainless steel 321
Purity class
PC2
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KF Hoses | 352016
Nominal diameter
40
Connection type
KF
Outer diameter
2.165 ″
Dynamic bend radius
10.039 ″
Static bend radius
2.323 ″
Flange material
Stainless steel 304L
Bellow material
Stainless steel 321
Purity class
PC2
Nominal diameter
40
Connection type
KF
Outer diameter
55 mm
Dynamic bend radius
255 mm
Static bend radius
59 mm
Flange material
Stainless steel 304L
Bellow material
Stainless steel 321
Purity class
PC2
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KF-CF Adapters | 347511
Nominal diameter
40
Nominal diameter 2
25
Connection type
CF
Connection type 2
CF
Outer diameter
2.756 ″
Outer diameter 2
1.575 ″
Flange material
Stainless steel 316L
Purity class
PC2
Nominal diameter
40
Nominal diameter 2
25
Connection type
CF
Connection type 2
CF
Outer diameter
70 mm
Outer diameter 2
40 mm
Flange material
Stainless steel 316L
Purity class
PC2
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KF Blank Flanges | 351058
Nominal diameter
16
Connection type
KF
Outer diameter
1.181 ″
Flange material
Aluminium
Purity class
PC2
Nominal diameter
16
Connection type
KF
Outer diameter
30 mm
Flange material
Aluminium
Purity class
PC2
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KF Blank Flanges | 336581
Nominal diameter
16
Connection type
KF
Outer diameter
1.181 ″
Flange material
Stainless steel 304L
Purity class
PC2
Nominal diameter
16
Connection type
KF
Outer diameter
30 mm
Flange material
Stainless steel 304L
Purity class
PC2
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KF Tension Ring for Elastomer Gasket, massive | 336584
Nominal diameter
16
Connection type
KF
Diameter
1.654 ″
Adapter material
Aluminium
Bakeout temperature
302 °F
Purity class
PC2
Nominal diameter
16
Connection type
KF
Diameter
42 mm
Adapter material
Aluminium
Bakeout temperature
150 °C
Purity class
PC2
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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
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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
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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
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KF Blank Flanges | 351059
Nominal diameter
25
Connection type
KF
Outer diameter
1.575 ″
Flange material
Aluminium
Purity class
PC2
Nominal diameter
25
Connection type
KF
Outer diameter
40 mm
Flange material
Aluminium
Purity class
PC2
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KF Blank Flanges | 336647
Nominal diameter
25
Connection type
KF
Outer diameter
1.575 ″
Flange material
Stainless steel 304L
Purity class
PC2
Nominal diameter
25
Connection type
KF
Outer diameter
40 mm
Flange material
Stainless steel 304L
Purity class
PC2
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KF Reducing Adapters | 352015
Nominal diameter
25
Nominal diameter 2
16
Connection type
KF
Outer diameter
1.575 ″
Outer diameter 2
1.181 ″
Flange material
Aluminium
Shape
Straight
Purity class
PC2
Nominal diameter
25
Nominal diameter 2
16
Connection type
KF
Outer diameter
40 mm
Outer diameter 2
30 mm
Flange material
Aluminium
Shape
Straight
Purity class
PC2
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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
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KF Reducing Adapters | 352014
Nominal diameter
40
Nominal diameter 2
16
Connection type
KF
Outer diameter
2.165 ″
Outer diameter 2
1.181 ″
Flange material
Aluminium
Shape
Straight
Purity class
PC2
Nominal diameter
40
Nominal diameter 2
16
Connection type
KF
Outer diameter
55 mm
Outer diameter 2
30 mm
Flange material
Aluminium
Shape
Straight
Purity class
PC2
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KF Reducing Adapters | 352013
Nominal diameter
40
Nominal diameter 2
25
Connection type
KF
Outer diameter
2.165 ″
Outer diameter 2
1.575 ″
Flange material
Aluminium
Shape
Straight
Purity class
PC2
Nominal diameter
40
Nominal diameter 2
25
Connection type
KF
Outer diameter
55 mm
Outer diameter 2
40 mm
Flange material
Aluminium
Shape
Straight
Purity class
PC2
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KF Centering Rings, O-Ring | 336655
Nominal diameter
40
Connection type
KF
Diameter
1.614 ″
Centering ring material
Stainless steel 304L
Gasket material
FKM
Bakeout temperature
302 °F
Min. operating temperature
14 °F
Purity class
PC2
Nominal diameter
40
Connection type
KF
Diameter
41 mm
Centering ring material
Stainless steel 304L
Gasket material
FKM
Bakeout temperature
150 °C
Min. operating temperature
-10 °C
Purity class
PC2
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KF Centering Rings, O-Ring | 345185
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
PC2
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
PC2
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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
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KF Tension Ring for Elastomer Gasket, massive | 318974
Nominal diameter
50
Connection type
KF
Diameter
3.543 ″
Adapter material
Aluminium
Bakeout temperature
302 °F
Purity class
PC2
Nominal diameter
50
Connection type
KF
Diameter
90 mm
Adapter material
Aluminium
Bakeout temperature
150 °C
Purity class
PC2
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available
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