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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 Tension Ring for Elastomer Gasket, massive | 343356
Nominal diameter
40
Connection type
KF
Diameter
2.756 ″
Adapter material
Aluminium
Bakeout temperature
302 °F
Purity class
PC2+
Nominal diameter
40
Connection type
KF
Diameter
70 mm
Adapter material
Aluminium
Bakeout temperature
150 °C
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 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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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 | 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-Clamps, metric | 349986
Nominal diameter
16
Connection type
KF
Outer diameter
1.181 ″
Tube metric
0.236 ″
Flange material
Stainless steel 316L
Purity class
PC2
Nominal diameter
16
Connection type
KF
Outer diameter
30 mm
Tube metric
6 mm
Flange material
Stainless steel 316L
Purity class
PC2
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KF-Face-Seal-Screw Connection, female | 343698
Nominal diameter
16
Connection type
KF
Outer diameter
1.181 ″
Flange material
Stainless steel 316L
Tube imperial
1/4 in
Purity class
PC2+
Nominal diameter
16
Connection type
KF
Outer diameter
30 mm
Flange material
Stainless steel 316L
Tube imperial
1/4 in
Purity class
PC2+
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KF-Face-Seal-Screw Connection, male | 347516
Nominal diameter
25
Connection type
KF
Outer diameter
1.575 ″
Flange material
Stainless steel 316L
Tube imperial
1/2 in
Purity class
PC2
Nominal diameter
25
Connection type
KF
Outer diameter
40 mm
Flange material
Stainless steel 316L
Tube imperial
1/2 in
Purity class
PC2
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KF-Face-Seal-Screw Connection, female | 318934
Nominal diameter
25
Connection type
KF
Outer diameter
1.575 ″
Flange material
Stainless steel 316L
Tube imperial
1/4 in
Purity class
PC2+
Nominal diameter
25
Connection type
KF
Outer diameter
40 mm
Flange material
Stainless steel 316L
Tube imperial
1/4 in
Purity class
PC2+
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available
KF-Face-Seal-Screw Connection, male | 318906
Nominal diameter
40
Connection type
KF
Outer diameter
2.165 ″
Flange material
Stainless steel 316L
Tube imperial
1/4 in
Purity class
PC2+
Nominal diameter
40
Connection type
KF
Outer diameter
55 mm
Flange material
Stainless steel 316L
Tube imperial
1/4 in
Purity class
PC2+
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available
KF Straight Connectors | 352058
Nominal diameter
16
Connection type
KF
Outer diameter
1.181 ″
Length
3.15 ″
Flange material
Stainless steel 316L
Purity class
PC2
Nominal diameter
16
Connection type
KF
Outer diameter
30 mm
Length
80 mm
Flange material
Stainless steel 316L
Purity class
PC2
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KF Straight Connectors | 352059
Nominal diameter
50
Connection type
KF
Outer diameter
2.953 ″
Length
5.512 ″
Flange material
Stainless steel 316L
Purity class
PC2
Nominal diameter
50
Connection type
KF
Outer diameter
75 mm
Length
140 mm
Flange material
Stainless steel 316L
Purity class
PC2
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KF-ISO-K Adapters | 346584
Connection type
ISO-K
Connection type 2
KF
Nominal diameter
63
Nominal diameter 2
40
Outer diameter
3.74 ″
Outer diameter 2
2.165 ″
Shape
Straight
Purity class
PC2
Connection type
ISO-K
Connection type 2
KF
Nominal diameter
63
Nominal diameter 2
40
Outer diameter
95 mm
Outer diameter 2
55 mm
Shape
Straight
Purity class
PC2
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KF Tees | 349012
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 Tees | 352020
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 4-Way cross | 358108
Nominal diameter
16
Connection type
KF
Outer diameter
1.181 ″
Flange material
Stainless steel 316L
Purity class
PC2
Nominal diameter
16
Connection type
KF
Outer diameter
30 mm
Flange material
Stainless steel 316L
Purity class
PC2
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KF 4-Way cross | 352019
Nominal diameter
40
Connection type
KF
Outer diameter
2.165 ″
Flange material
Aluminium
Purity class
PC2
Nominal diameter
40
Connection type
KF
Outer diameter
55 mm
Flange material
Aluminium
Purity class
PC2
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KF 4-Way cross | 352056
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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