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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-CF Adapters | 347511
Nominal diameter
40
Nominal diameter 2
25
Connection type
CF
Connection type 2
KF
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
KF
Outer diameter
70 mm
Outer diameter 2
40 mm
Flange material
Stainless steel 316L
Purity class
PC2
$72.26
on request
KF-CF Adapters | 329476
Nominal diameter
63
Nominal diameter 2
25
Connection type
CF
Connection type 2
KF
Outer diameter
4.488 ″
Outer diameter 2
1.575 ″
Flange material
Stainless steel 316L
Purity class
PC2+
Nominal diameter
63
Nominal diameter 2
25
Connection type
CF
Connection type 2
KF
Outer diameter
114 mm
Outer diameter 2
40 mm
Flange material
Stainless steel 316L
Purity class
PC2+
$429.97
on request
KF-CF Adapters | 304011
Nominal diameter
63
Nominal diameter 2
40
Connection type
CF
Connection type 2
KF
Outer diameter
4.488 ″
Outer diameter 2
2.165 ″
Flange material
Stainless steel 316L
Purity class
PC2+
Nominal diameter
63
Nominal diameter 2
40
Connection type
CF
Connection type 2
KF
Outer diameter
114 mm
Outer diameter 2
55 mm
Flange material
Stainless steel 316L
Purity class
PC2+
$501.86
on request
KF Blank Flanges | 319113
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+
$24.94
in production
KF Reducing Adapters | 319070
Nominal diameter
25
Nominal diameter 2
16
Connection type
KF
Outer diameter
1.575 ″
Outer diameter 2
1.181 ″
Flange material
Stainless steel 316L
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
Stainless steel 316L
Shape
Straight
Purity class
PC2+
$48.69
on request
KF Blank Flanges | 318996
Nominal diameter
40
Connection type
KF
Outer diameter
2.165 ″
Flange material
Stainless steel 316L
Purity class
PC2+
Nominal diameter
40
Connection type
KF
Outer diameter
55 mm
Flange material
Stainless steel 316L
Purity class
PC2+
$46.39
in production
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+
$49.93
in production
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
$67.62
on request
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+
$70.24
on request
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
$82.04
on request
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+
$96.02
in production
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+
$65.41
in production
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
$55.14
on request
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
$147.67
on request
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
$318.63
on request
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
$166.09
on request
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
$369.78
on request
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