Metric
My Cart

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 Bulkhead clamps | 300119
Nominal diameter
40
Connection type
KF
Diameter
2.48 ″
Pitch circle diameter
2.48 ″
Thread metric
M5.0
Incl. screws
Yes
Flange material
Aluminium
Purity class
PCS
Nominal diameter
40
Connection type
KF
Diameter
63 mm
Pitch circle diameter
63 mm
Thread metric
M5.0
Incl. screws
Yes
Flange material
Aluminium
Purity class
PCS
$55.00
in production
KF Bulkhead clamps | 300120
Nominal diameter
40
Connection type
KF
Diameter
2.48 ″
Pitch circle diameter
2.48 ″
Flange material
Aluminium
Incl. screws
No
Purity class
PCS
Nominal diameter
40
Connection type
KF
Diameter
63 mm
Pitch circle diameter
63 mm
Flange material
Aluminium
Incl. screws
No
Purity class
PCS
$54.00
in production
KF Bulkhead clamps | 373358
Nominal diameter
40
Connection type
KF
Diameter
2.48 ″
Pitch circle diameter
2.48 ″
Flange material
Aluminium
Incl. screws
No
Purity class
PC1
Nominal diameter
40
Connection type
KF
Diameter
63 mm
Pitch circle diameter
63 mm
Flange material
Aluminium
Incl. screws
No
Purity class
PC1
$57.23
on request
KF Bulkhead clamps | 318938
Nominal diameter
40
Connection type
KF
Diameter
2.48 ″
Pitch circle diameter
2.48 ″
Flange material
Aluminium
Incl. screws
No
Purity class
PC2
Nominal diameter
40
Connection type
KF
Diameter
63 mm
Pitch circle diameter
63 mm
Flange material
Aluminium
Incl. screws
No
Purity class
PC2
$63.65
in production
KF Elbows 90° | 300539
Nominal diameter
40
Connection type
KF
Outer diameter
2.165 ″
Flange material
Stainless steel 304L
Shape
Curved
Purity class
PCS
Nominal diameter
40
Connection type
KF
Outer diameter
55 mm
Flange material
Stainless steel 304L
Shape
Curved
Purity class
PCS
$72.00
available
KF Elbows 90° | 300540
Nominal diameter
40
Connection type
KF
Outer diameter
2.165 ″
Flange material
Stainless steel 316L
Shape
Curved
Purity class
PCS
Nominal diameter
40
Connection type
KF
Outer diameter
55 mm
Flange material
Stainless steel 316L
Shape
Curved
Purity class
PCS
$89.10
available
KF Elbows 90° | 300543
Nominal diameter
40
Connection type
KF
Outer diameter
2.165 ″
Flange material
Aluminium
Shape
Angled
Purity class
PCS
Nominal diameter
40
Connection type
KF
Outer diameter
55 mm
Flange material
Aluminium
Shape
Angled
Purity class
PCS
$82.00
in production
KF Elbows 45° | 300551
Nominal diameter
40
Connection type
KF
Outer diameter
2.165 ″
Flange material
Stainless steel 316L
Shape
Angled
Purity class
PCS
Nominal diameter
40
Connection type
KF
Outer diameter
55 mm
Flange material
Stainless steel 316L
Shape
Angled
Purity class
PCS
$145.00
available
KF Hoses | 301002
Nominal diameter
40
Connection type
KF
Outer diameter
2.165 ″
Dynamic bend radius
10.039 ″
Static bend radius
2.323 ″
Flange material
Stainless steel 304L
Bellow material
Stainless steel 321
Purity class
PCS
Nominal diameter
40
Connection type
KF
Outer diameter
55 mm
Dynamic bend radius
255 mm
Static bend radius
59 mm
Flange material
Stainless steel 304L
Bellow material
Stainless steel 321
Purity class
PCS
$240.00
in production
KF Hoses | 352016
Nominal diameter
40
Connection type
KF
Outer diameter
2.165 ″
Dynamic bend radius
10.039 ″
Static bend radius
2.323 ″
Flange material
Stainless steel 304L
Bellow material
Stainless steel 321
Purity class
PC2
Nominal diameter
40
Connection type
KF
Outer diameter
55 mm
Dynamic bend radius
255 mm
Static bend radius
59 mm
Flange material
Stainless steel 304L
Bellow material
Stainless steel 321
Purity class
PC2
$138.00
on request
KF Hoses | 301003
Nominal diameter
40
Connection type
KF
Outer diameter
2.165 ″
Dynamic bend radius
9.449 ″
Static bend radius
2.323 ″
Flange material
Stainless steel 316L
Bellow material
Stainless steel 316L
Purity class
PCS
Nominal diameter
40
Connection type
KF
Outer diameter
55 mm
Dynamic bend radius
240 mm
Static bend radius
59 mm
Flange material
Stainless steel 316L
Bellow material
Stainless steel 316L
Purity class
PCS
$135.00
in production
KF Hoses | 301006
Nominal diameter
40
Connection type
KF
Outer diameter
2.165 ″
Dynamic bend radius
10.039 ″
Static bend radius
2.323 ″
Flange material
Stainless steel 304L
Bellow material
Stainless steel 321
Purity class
PCS
Nominal diameter
40
Connection type
KF
Outer diameter
55 mm
Dynamic bend radius
255 mm
Static bend radius
59 mm
Flange material
Stainless steel 304L
Bellow material
Stainless steel 321
Purity class
PCS
$120.00
available
KF Hoses | 301007
Nominal diameter
40
Connection type
KF
Outer diameter
2.165 ″
Dynamic bend radius
9.449 ″
Static bend radius
2.323 ″
Flange material
Stainless steel 316L
Bellow material
Stainless steel 316L
Purity class
PCS
Nominal diameter
40
Connection type
KF
Outer diameter
55 mm
Dynamic bend radius
240 mm
Static bend radius
59 mm
Flange material
Stainless steel 316L
Bellow material
Stainless steel 316L
Purity class
PCS
$93.00
available
KF Hoses | 301011
Nominal diameter
40
Connection type
KF
Outer diameter
2.165 ″
Dynamic bend radius
10.039 ″
Static bend radius
2.323 ″
Flange material
Stainless steel 304L
Bellow material
Stainless steel 321
Purity class
PCS
Nominal diameter
40
Connection type
KF
Outer diameter
55 mm
Dynamic bend radius
255 mm
Static bend radius
59 mm
Flange material
Stainless steel 304L
Bellow material
Stainless steel 321
Purity class
PCS
$170.00
available
KF Hoses | 301012
Nominal diameter
40
Connection type
KF
Outer diameter
2.165 ″
Dynamic bend radius
9.449 ″
Static bend radius
2.323 ″
Flange material
Stainless steel 316L
Bellow material
Stainless steel 316L
Purity class
PCS
Nominal diameter
40
Connection type
KF
Outer diameter
55 mm
Dynamic bend radius
240 mm
Static bend radius
59 mm
Flange material
Stainless steel 316L
Bellow material
Stainless steel 316L
Purity class
PCS
$159.00
in production
KF Hoses | 301015
Nominal diameter
40
Connection type
KF
Outer diameter
2.165 ″
Dynamic bend radius
10.039 ″
Static bend radius
2.323 ″
Flange material
Stainless steel 304L
Bellow material
Stainless steel 321
Purity class
PCS
Nominal diameter
40
Connection type
KF
Outer diameter
55 mm
Dynamic bend radius
255 mm
Static bend radius
59 mm
Flange material
Stainless steel 304L
Bellow material
Stainless steel 321
Purity class
PCS
$169.00
available
KF Hoses | 301016
Nominal diameter
40
Connection type
KF
Outer diameter
2.165 ″
Dynamic bend radius
9.449 ″
Static bend radius
2.323 ″
Flange material
Stainless steel 316L
Bellow material
Stainless steel 316L
Purity class
PCS
Nominal diameter
40
Connection type
KF
Outer diameter
55 mm
Dynamic bend radius
240 mm
Static bend radius
59 mm
Flange material
Stainless steel 316L
Bellow material
Stainless steel 316L
Purity class
PCS
$122.00
in production
KF-CF Adapters | 301594
Nominal diameter
40
Nominal diameter 2
16
Connection type
CF
Connection type 2
KF
Outer diameter
2.756 ″
Outer diameter 2
1.181 ″
Flange material
Stainless steel 316L
Purity class
PCS
Nominal diameter
40
Nominal diameter 2
16
Connection type
CF
Connection type 2
KF
Outer diameter
70 mm
Outer diameter 2
30 mm
Flange material
Stainless steel 316L
Purity class
PCS
$69.50
available
KF-CF Adapters | 301596
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
PCS
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
PCS
$76.00
available
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 | 301597
Nominal diameter
40
Nominal diameter 2
40
Connection type
CF
Connection type 2
KF
Outer diameter
2.756 ″
Outer diameter 2
2.165 ″
Flange material
Stainless steel 316L
Purity class
PCS
Nominal diameter
40
Nominal diameter 2
40
Connection type
CF
Connection type 2
KF
Outer diameter
70 mm
Outer diameter 2
55 mm
Flange material
Stainless steel 316L
Purity class
PCS
$92.00
available
KF Blank Flanges | 301616
Nominal diameter
100
Connection type
KF
Outer diameter
5.276 ″
Flange material
Aluminium
Purity class
PCS
Nominal diameter
100
Connection type
KF
Outer diameter
134 mm
Flange material
Aluminium
Purity class
PCS
$80.00
in production
KF Reducing Centering Rings | 301902
Nominal diameter
40
Connection type
KF
Diameter
1.614 ″
Centering ring material
Aluminium
Gasket material
NBR
Bakeout temperature
212 °F
Purity class
PCS
Nominal diameter
40
Connection type
KF
Diameter
41 mm
Centering ring material
Aluminium
Gasket material
NBR
Bakeout temperature
100 °C
Purity class
PCS
$6.00
available
KF Reducing Centering Rings | 301903
Nominal diameter
40
Connection type
KF
Diameter
1.614 ″
Centering ring material
Aluminium
Gasket material
FKM
Bakeout temperature
302 °F
Purity class
PCS
Nominal diameter
40
Connection type
KF
Diameter
41 mm
Centering ring material
Aluminium
Gasket material
FKM
Bakeout temperature
150 °C
Purity class
PCS
$7.00
available
You have not found a suitable product for your application?

We will be happy to advise you on further standard components that are currently not available in our shop.