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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 Blank Flanges | 319010
Nominal diameter
50
Connection type
KF
Outer diameter
2.953 ″
Flange material
Stainless steel 316L
Purity class
PC2+
Nominal diameter
50
Connection type
KF
Outer diameter
75 mm
Flange material
Stainless steel 316L
Purity class
PC2+
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available
KF Tension Ring for Elastomer Gasket, massive | 302116
Nominal diameter
50
Connection type
KF
Diameter
3.543 ″
Adapter material
Aluminium
Bakeout temperature
302 °F
Purity class
PCS
Nominal diameter
50
Connection type
KF
Diameter
90 mm
Adapter material
Aluminium
Bakeout temperature
150 °C
Purity class
PCS
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available
KF Tension Ring for Elastomer Gasket, massive | 404097
Nominal diameter
50
Connection type
KF
Diameter
3.78 ″
Adapter material
Stainless steel 304
Bakeout temperature
392 °F
Purity class
PCS
Nominal diameter
50
Connection type
KF
Diameter
96 mm
Adapter material
Stainless steel 304
Bakeout temperature
200 °C
Purity class
PCS
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available
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
KF Flange Caps | 100443
Nominal diameter
50
Connection type
KF
Flange material
Polyethylene
Pieces per set
10
Purity class
PCS
Nominal diameter
50
Connection type
KF
Flange material
Polyethylene
Pieces per set
10
Purity class
PCS
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available
KF Tension Ring for Elastomer Gasket | 400773
Nominal diameter
50
Connection type
KF
Length
3.937 ″
Flange material
Stainless steel 304
Min. operating temperature
14 °F
Bakeout temperature
257 °F
Purity class
PCS
Nominal diameter
50
Connection type
KF
Length
100 mm
Flange material
Stainless steel 304
Min. operating temperature
-10 °C
Bakeout temperature
125 °C
Purity class
PCS
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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
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available
KF Centering Rings without O-Ring | 302117
Nominal diameter
50
Connection type
KF
Diameter
2.055 ″
Centering ring material
Stainless steel 304L
Purity class
PCS
Nominal diameter
50
Connection type
KF
Diameter
52,2 mm
Centering ring material
Stainless steel 304L
Purity class
PCS
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available
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
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in production
KF Centering Rings with Sinter Metal Filter | 400774
Connection type
KF
Nominal diameter
50
Diameter
2.047 ″
Meshsize
20 µm
Centering ring material
Stainless steel 303
Gasket material
FKM
Bakeout temperature
212 °F
Purity class
PCS
Connection type
KF
Nominal diameter
50
Diameter
52 mm
Meshsize
20 µm
Centering ring material
Stainless steel 303
Gasket material
FKM
Bakeout temperature
100 °C
Purity class
PCS
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available
KF Bellows | 302120
Nominal diameter
50
Connection type
KF
Outer diameter
2.953 ″
Max. axial stroke
0.669 ″
Max. lateral stroke
0.197 ″
Flange material
Stainless steel 304L
Bellow material
Stainless steel 316Ti
Purity class
PCS
Nominal diameter
50
Connection type
KF
Outer diameter
75 mm
Max. axial stroke
17 mm
Max. lateral stroke
5 mm
Flange material
Stainless steel 304L
Bellow material
Stainless steel 316Ti
Purity class
PCS
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on request
KF-G Adapters, G-external Thread | 302121
Nominal diameter
50
Connection type
KF
Outer diameter
2.953 ″
Flange material
Stainless steel 316L
G pipe thread
G 2"
Purity class
PCS
Nominal diameter
50
Connection type
KF
Outer diameter
75 mm
Flange material
Stainless steel 316L
G pipe thread
G 2"
Purity class
PCS
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available
KF Hose Tie for PVC Hose | 100444
Nominal diameter
50
Connection type
KF
Diameter
2.362 ″
Purity class
PCS
Nominal diameter
50
Connection type
KF
Diameter
60 mm
Purity class
PCS
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available
KF Hose Shafts | 302126
Nominal diameter
50
Connection type
KF
Outer diameter
2.953 ″
Flange material
Aluminium
Purity class
PCS
Nominal diameter
50
Connection type
KF
Outer diameter
75 mm
Flange material
Aluminium
Purity class
PCS
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available
KF Hose Shafts | 302127
Nominal diameter
50
Connection type
KF
Outer diameter
2.953 ″
Flange material
Stainless steel 316L
Purity class
PCS
Nominal diameter
50
Connection type
KF
Outer diameter
75 mm
Flange material
Stainless steel 316L
Purity class
PCS
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available
KF Mesh Centering Ring | 302129
Nominal diameter
50
Connection type
KF
Diameter
2.047 ″
Meshsize
1 µm
Wire diameter
0.012 ″
Centering ring material
Stainless steel 304
Gasket material
NBR
Purity class
PCS
Nominal diameter
50
Connection type
KF
Diameter
52 mm
Meshsize
1 µm
Wire diameter
0,3 mm
Centering ring material
Stainless steel 304
Gasket material
NBR
Purity class
PCS
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available
KF Mesh Centering Ring | 302130
Nominal diameter
50
Connection type
KF
Diameter
2.047 ″
Meshsize
0.5 µm
Wire diameter
0.007 ″
Centering ring material
Stainless steel 304
Gasket material
FKM
Purity class
PCS
Nominal diameter
50
Connection type
KF
Diameter
52 mm
Meshsize
0,5 µm
Wire diameter
0,19 mm
Centering ring material
Stainless steel 304
Gasket material
FKM
Purity class
PCS
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available
KF Edge Seals | 302132
Connection type
KF
Nominal diameter
50
Diameter 2
3.031 ″
Gasket material
Aluminium
Purity class
PCS
Connection type
KF
Nominal diameter
50
Diameter 2
77 mm
Gasket material
Aluminium
Purity class
PCS
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available
KF Tension Ring for Metal Gasket | 302133
Nominal diameter
50
Connection type
KF
Outer diameter
3.78 ″
Adapter material
Stainless steel 304L
Purity class
PCS
Nominal diameter
50
Connection type
KF
Outer diameter
96 mm
Adapter material
Stainless steel 304L
Purity class
PCS
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available
KF Tension Ring for Metal Gasket | 400775
Nominal diameter
50
Connection type
KF
Outer diameter
4.528 ″
Adapter material
Aluminium
Purity class
PCS
Nominal diameter
50
Connection type
KF
Outer diameter
115 mm
Adapter material
Aluminium
Purity class
PCS
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available
KF O-Rings | 302140
Connection type
KF
Nominal diameter
50
Diameter
2.165 ″
Gasket material
NBR
Bakeout temperature
212 °F
Min. operating temperature
14 °F
Purity class
PCS
Connection type
KF
Nominal diameter
50
Diameter
55 mm
Gasket material
NBR
Bakeout temperature
100 °C
Min. operating temperature
-10 °C
Purity class
PCS
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available
KF PVC Hose Connectors, complete | 302141
Nominal diameter
50
Connection type
KF
Outer diameter
2.953 ″
Length
39.37 ″
Flange material
Stainless steel 316L
Bellow material
PVC
Purity class
PCS
Nominal diameter
50
Connection type
KF
Outer diameter
75 mm
Length
1000 mm
Flange material
Stainless steel 316L
Bellow material
PVC
Purity class
PCS
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on request
KF PVC Hose Connectors, complete | 302142
Nominal diameter
50
Connection type
KF
Outer diameter
2.953 ″
Length
9.843 ″
Flange material
Stainless steel 316L
Bellow material
PVC
Purity class
PCS
Nominal diameter
50
Connection type
KF
Outer diameter
75 mm
Length
250 mm
Flange material
Stainless steel 316L
Bellow material
PVC
Purity class
PCS
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available
KF PVC Hose Connectors, complete | 302143
Nominal diameter
50
Connection type
KF
Outer diameter
2.953 ″
Length
19.685 ″
Flange material
Stainless steel 316L
Bellow material
PVC
Purity class
PCS
Nominal diameter
50
Connection type
KF
Outer diameter
75 mm
Length
500 mm
Flange material
Stainless steel 316L
Bellow material
PVC
Purity class
PCS
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available
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