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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 | 301817
Nominal diameter
25
Connection type
KF
Outer diameter
1.575 ″
Flange material
Stainless steel 304L
Purity class
PCS
Nominal diameter
25
Connection type
KF
Outer diameter
40 mm
Flange material
Stainless steel 304L
Purity class
PCS
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in production
KF Blank Flanges | 340940
Nominal diameter
25
Connection type
KF
Outer diameter
1.575 ″
Flange material
Stainless steel 304L
Purity class
PC1
Nominal diameter
25
Connection type
KF
Outer diameter
40 mm
Flange material
Stainless steel 304L
Purity class
PC1
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on request
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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on request
KF Blank Flanges | 301818
Nominal diameter
25
Connection type
KF
Outer diameter
1.575 ″
Flange material
Stainless steel 316L
Purity class
PCS
Nominal diameter
25
Connection type
KF
Outer diameter
40 mm
Flange material
Stainless steel 316L
Purity class
PCS
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available
KF Blank Flanges | 354943
Nominal diameter
25
Connection type
KF
Outer diameter
1.575 ″
Flange material
Stainless steel 316L
Purity class
PC1
Nominal diameter
25
Connection type
KF
Outer diameter
40 mm
Flange material
Stainless steel 316L
Purity class
PC1
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on request
KF Tension Ring for Elastomer Gasket, massive | 301821
Nominal diameter
25
Connection type
KF
Diameter
2.047 ″
Adapter material
Aluminium
Bakeout temperature
302 °F
Purity class
PCS
Nominal diameter
25
Connection type
KF
Diameter
52 mm
Adapter material
Aluminium
Bakeout temperature
150 °C
Purity class
PCS
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available
KF Tension Ring for Elastomer Gasket, massive | 343703
Nominal diameter
25
Connection type
KF
Diameter
2.047 ″
Adapter material
Aluminium
Bakeout temperature
302 °F
Purity class
PC2+
Nominal diameter
25
Connection type
KF
Diameter
52 mm
Adapter material
Aluminium
Bakeout temperature
150 °C
Purity class
PC2+
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KF Flange Caps | 100436
Nominal diameter
25
Connection type
KF
Flange material
Polyethylene
Pieces per set
10
Purity class
PCS
Nominal diameter
25
Connection type
KF
Flange material
Polyethylene
Pieces per set
10
Purity class
PCS
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available
KF Tension Ring for Elastomer Gasket | 400758
Nominal diameter
25
Connection type
KF
Length
2.48 ″
Flange material
Stainless steel 304
Min. operating temperature
14 °F
Bakeout temperature
257 °F
Purity class
PCS
Nominal diameter
25
Connection type
KF
Length
63 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 | 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
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available
KF Centering Rings without O-Ring | 301826
Nominal diameter
25
Connection type
KF
Diameter
1.031 ″
Centering ring material
Stainless steel 304L
Purity class
PCS
Nominal diameter
25
Connection type
KF
Diameter
26,2 mm
Centering ring material
Stainless steel 304L
Purity class
PCS
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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
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available
KF-G Adapters, G-external Thread with FKM-Gasket | 309607
Nominal diameter
25
Connection type
KF
Outer diameter
1.575 ″
Flange material
Stainless steel 316L
Gasket material
FKM
G pipe thread
G 1"
Purity class
PCS
Nominal diameter
25
Connection type
KF
Outer diameter
40 mm
Flange material
Stainless steel 316L
Gasket material
FKM
G pipe thread
G 1"
Purity class
PCS
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available
KF Centering Rings with Sinter Metal Filter | 410509
Connection type
KF
Nominal diameter
25
Diameter
1.024 ″
Meshsize
20 µm
Centering ring material
Stainless steel 303
Gasket material
FKM
Bakeout temperature
212 °F
Purity class
PCS
Connection type
KF
Nominal diameter
25
Diameter
26 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 | 301830
Nominal diameter
25
Connection type
KF
Outer diameter
1.575 ″
Max. axial stroke
0.472 ″
Max. lateral stroke
0.315 ″
Flange material
Stainless steel 304L
Bellow material
Stainless steel 316Ti
Purity class
PCS
Nominal diameter
25
Connection type
KF
Outer diameter
40 mm
Max. axial stroke
12 mm
Max. lateral stroke
8 mm
Flange material
Stainless steel 304L
Bellow material
Stainless steel 316Ti
Purity class
PCS
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available
KF Bellows | 370221
Nominal diameter
25
Connection type
KF
Outer diameter
1.575 ″
Max. axial stroke
0.472 ″
Max. lateral stroke
0.315 ″
Flange material
Stainless steel 304L
Bellow material
Stainless steel 316Ti
Purity class
PC1
Nominal diameter
25
Connection type
KF
Outer diameter
40 mm
Max. axial stroke
12 mm
Max. lateral stroke
8 mm
Flange material
Stainless steel 304L
Bellow material
Stainless steel 316Ti
Purity class
PC1
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on request
KF Bellows | 301831
Nominal diameter
25
Connection type
KF
Outer diameter
1.575 ″
 
 
 
 
Flange material
Stainless steel 316L
Bellow material
Stainless steel 316Ti
Purity class
PCS
Nominal diameter
25
Connection type
KF
Outer diameter
40 mm
 
 
 
 
Flange material
Stainless steel 316L
Bellow material
Stainless steel 316Ti
Purity class
PCS
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available
KF-G Adapters, G-external Thread | 301834
Nominal diameter
25
Connection type
KF
Outer diameter
1.575 ″
Flange material
Stainless steel 316L
G pipe thread
G 1"
Purity class
PCS
Nominal diameter
25
Connection type
KF
Outer diameter
40 mm
Flange material
Stainless steel 316L
G pipe thread
G 1"
Purity class
PCS
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available
KF-G Adapters, G-external Thread | 301836
Nominal diameter
25
Connection type
KF
Outer diameter
1.575 ″
Flange material
Stainless steel 316L
G pipe thread
G 1 1/4"
Purity class
PCS
Nominal diameter
25
Connection type
KF
Outer diameter
40 mm
Flange material
Stainless steel 316L
G pipe thread
G 1 1/4"
Purity class
PCS
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available
KF-G Adapters, G-external Thread | 301837
Nominal diameter
25
Connection type
KF
Outer diameter
1.575 ″
Flange material
Stainless steel 316L
G pipe thread
G 1/2"
Purity class
PCS
Nominal diameter
25
Connection type
KF
Outer diameter
40 mm
Flange material
Stainless steel 316L
G pipe thread
G 1/2"
Purity class
PCS
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available
KF-G Adapters, G-external Thread | 301838
Nominal diameter
25
Connection type
KF
Outer diameter
1.575 ″
Flange material
Stainless steel 316L
G pipe thread
G 1/4"
Purity class
PCS
Nominal diameter
25
Connection type
KF
Outer diameter
40 mm
Flange material
Stainless steel 316L
G pipe thread
G 1/4"
Purity class
PCS
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available
KF-G Adapters, G-external Thread | 301840
Nominal diameter
25
Connection type
KF
Outer diameter
1.575 ″
Flange material
Stainless steel 316L
G pipe thread
G 3/4"
Purity class
PCS
Nominal diameter
25
Connection type
KF
Outer diameter
40 mm
Flange material
Stainless steel 316L
G pipe thread
G 3/4"
Purity class
PCS
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available
KF-G Adapters, G-internal Thread | 301841
Nominal diameter
25
Connection type
KF
Outer diameter
1.575 ″
Flange material
Stainless steel 316L
G pipe thread
G 1/2"
Purity class
PCS
Nominal diameter
25
Connection type
KF
Outer diameter
40 mm
Flange material
Stainless steel 316L
G pipe thread
G 1/2"
Purity class
PCS
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available
KF-G Adapters, G-internal Thread | 301843
Nominal diameter
25
Connection type
KF
Outer diameter
1.575 ″
Flange material
Stainless steel 316L
G pipe thread
G 1/4"
Purity class
PCS
Nominal diameter
25
Connection type
KF
Outer diameter
40 mm
Flange material
Stainless steel 316L
G pipe thread
G 1/4"
Purity class
PCS
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available
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