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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 O-Rings | 301774
Connection type
KF
Nominal diameter
16
Diameter
0.709 ″
Gasket material
FKM
Bakeout temperature
302 °F
Min. operating temperature
14 °F
Purity class
PCS
Connection type
KF
Nominal diameter
16
Diameter
18 mm
Gasket material
FKM
Bakeout temperature
150 °C
Min. operating temperature
-10 °C
Purity class
PCS
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available
KF O-Rings | 307189
Connection type
KF
Nominal diameter
16
Diameter
0.709 ″
Gasket material
FKM low outgassing
Bakeout temperature
302 °F
Min. operating temperature
14 °F
Purity class
PCS
Connection type
KF
Nominal diameter
16
Diameter
18 mm
Gasket material
FKM low outgassing
Bakeout temperature
150 °C
Min. operating temperature
-10 °C
Purity class
PCS
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available
KF Centering Rings, O-Ring | 302101
Nominal diameter
50
Connection type
KF
Diameter
2.047 ″
Centering ring material
Aluminium
Gasket material
NBR
Bakeout temperature
212 °F
Min. operating temperature
14 °F
Purity class
PCS
Nominal diameter
50
Connection type
KF
Diameter
52 mm
Centering ring material
Aluminium
Gasket material
NBR
Bakeout temperature
100 °C
Min. operating temperature
-10 °C
Purity class
PCS
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available
KF Centering Rings, O-Ring | 302102
Nominal diameter
50
Connection type
KF
Diameter
2.047 ″
Centering ring material
Aluminium
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
Aluminium
Gasket material
FKM
Bakeout temperature
150 °C
Min. operating temperature
-10 °C
Purity class
PCS
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in production
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
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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
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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
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on request
KF Bored Flanges | 302106
Nominal diameter
50
Connection type
KF
Outer diameter
2.953 ″
Flange material
Stainless steel 304L
Purity class
PCS
Nominal diameter
50
Connection type
KF
Outer diameter
75 mm
Flange material
Stainless steel 304L
Purity class
PCS
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available
KF Bored Flanges | 302107
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 Bored Flanges | 302110
Nominal diameter
50
Connection type
KF
Outer diameter
2.953 ″
Flange material
Stainless steel 304L
Purity class
PCS
Nominal diameter
50
Connection type
KF
Outer diameter
75 mm
Flange material
Stainless steel 304L
Purity class
PCS
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available
KF Bored Flanges | 302111
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 Blank Flanges | 302112
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 Blank Flanges | 302113
Nominal diameter
50
Connection type
KF
Outer diameter
2.953 ″
Flange material
Stainless steel 304L
Purity class
PCS
Nominal diameter
50
Connection type
KF
Outer diameter
75 mm
Flange material
Stainless steel 304L
Purity class
PCS
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available
KF Blank Flanges | 305220
Nominal diameter
50
Connection type
KF
Outer diameter
2.953 ″
Flange material
Stainless steel 304L
Purity class
PC2+
Nominal diameter
50
Connection type
KF
Outer diameter
75 mm
Flange material
Stainless steel 304L
Purity class
PC2+
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on request
KF Blank Flanges | 338865
Nominal diameter
50
Connection type
KF
Outer diameter
2.953 ″
Flange material
Stainless steel 304L
Purity class
PC4
Nominal diameter
50
Connection type
KF
Outer diameter
75 mm
Flange material
Stainless steel 304L
Purity class
PC4
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on request
KF Blank Flanges | 302114
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 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
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