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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 | 400765
Nominal diameter
40
Connection type
KF
Length
2.992 ″
Flange material
Stainless steel 304
Min. operating temperature
14 °F
Bakeout temperature
257 °F
Purity class
PCS
Nominal diameter
40
Connection type
KF
Length
76 mm
Flange material
Stainless steel 304
Min. operating temperature
-10 °C
Bakeout temperature
125 °C
Purity class
PCS
$32.90
in production
KF Centering Rings, blind, without O-Ring | 302016
Nominal diameter
40
Connection type
KF
Diameter
1.622 ″
Centering ring material
Stainless steel 316L
Purity class
PCS
Nominal diameter
40
Connection type
KF
Diameter
41,2 mm
Centering ring material
Stainless steel 316L
Purity class
PCS
$70.00
available
KF Centering Rings without O-Ring | 302017
Nominal diameter
40
Connection type
KF
Diameter
1.622 ″
Centering ring material
Stainless steel 304L
Purity class
PCS
Nominal diameter
40
Connection type
KF
Diameter
41,2 mm
Centering ring material
Stainless steel 304L
Purity class
PCS
$8.00
available
KF Centering Rings without O-Ring | 302018
Nominal diameter
40
Connection type
KF
Diameter
1.622 ″
Centering ring material
Stainless steel 316L
Purity class
PCS
Nominal diameter
40
Connection type
KF
Diameter
41,2 mm
Centering ring material
Stainless steel 316L
Purity class
PCS
$7.30
available
KF-G Adapters, G-external Thread with FKM-Gasket | 309608
Nominal diameter
40
Connection type
KF
Outer diameter
2.165 ″
Flange material
Stainless steel 316L
Gasket material
FKM
G pipe thread
G 1 1/2"
Purity class
PCS
Nominal diameter
40
Connection type
KF
Outer diameter
55 mm
Flange material
Stainless steel 316L
Gasket material
FKM
G pipe thread
G 1 1/2"
Purity class
PCS
$65.50
available
KF Centering Rings with Sinter Metal Filter | 410474
Connection type
KF
Nominal diameter
40
Diameter
1.614 ″
Meshsize
0.001 ″
Centering ring material
Stainless steel 304
Gasket material
FKM
Bakeout temperature
212 °F
Purity class
PCS
Connection type
KF
Nominal diameter
40
Diameter
41 mm
Meshsize
0,02 mm
Centering ring material
Stainless steel 304
Gasket material
FKM
Bakeout temperature
100 °C
Purity class
PCS
$59.00
available
KF Bellows | 302020
Nominal diameter
40
Connection type
KF
Outer diameter
2.165 ″
Max. axial stroke
0.787 ″
Max. lateral stroke
0.354 ″
Flange material
Stainless steel 304L
Bellow material
Stainless steel 316Ti
Purity class
PCS
Nominal diameter
40
Connection type
KF
Outer diameter
55 mm
Max. axial stroke
20 mm
Max. lateral stroke
9 mm
Flange material
Stainless steel 304L
Bellow material
Stainless steel 316Ti
Purity class
PCS
$84.00
in production
KF-G Adapters, G-external Thread | 302026
Nominal diameter
40
Connection type
KF
Outer diameter
2.165 ″
Flange material
Stainless steel 316L
G pipe thread
G 1 1/2"
Purity class
PCS
Nominal diameter
40
Connection type
KF
Outer diameter
55 mm
Flange material
Stainless steel 316L
G pipe thread
G 1 1/2"
Purity class
PCS
$37.40
available
KF-G Adapters, G-external Thread | 302027
Nominal diameter
40
Connection type
KF
Outer diameter
2.165 ″
Flange material
Stainless steel 316L
G pipe thread
G 1 1/4"
Purity class
PCS
Nominal diameter
40
Connection type
KF
Outer diameter
55 mm
Flange material
Stainless steel 316L
G pipe thread
G 1 1/4"
Purity class
PCS
$37.40
available
KF-G Adapters, G-internal Thread | 302028
Nominal diameter
40
Connection type
KF
Outer diameter
2.165 ″
Flange material
Stainless steel 316L
G pipe thread
G 1"
Purity class
PCS
Nominal diameter
40
Connection type
KF
Outer diameter
55 mm
Flange material
Stainless steel 316L
G pipe thread
G 1"
Purity class
PCS
$53.50
in production
KF-G Adapters, G-internal Thread | 302029
Nominal diameter
40
Connection type
KF
Outer diameter
2.165 ″
Flange material
Stainless steel 316L
G pipe thread
G 1 1/4"
Purity class
PCS
Nominal diameter
40
Connection type
KF
Outer diameter
55 mm
Flange material
Stainless steel 316L
G pipe thread
G 1 1/4"
Purity class
PCS
$53.50
in production
KF-G Adapters, G-internal Thread | 302030
Nominal diameter
40
Connection type
KF
Outer diameter
2.165 ″
Flange material
Stainless steel 316L
G pipe thread
G 1/2"
Purity class
PCS
Nominal diameter
40
Connection type
KF
Outer diameter
55 mm
Flange material
Stainless steel 316L
G pipe thread
G 1/2"
Purity class
PCS
$53.50
available
KF-G Adapters, G-internal Thread | 302032
Nominal diameter
40
Connection type
KF
Outer diameter
2.165 ″
Flange material
Stainless steel 316L
G pipe thread
G 1/4"
Purity class
PCS
Nominal diameter
40
Connection type
KF
Outer diameter
55 mm
Flange material
Stainless steel 316L
G pipe thread
G 1/4"
Purity class
PCS
$53.50
in production
KF Hose Tie for PVC Hose | 100440
Nominal diameter
40
Connection type
KF
Diameter
1.969 ″
Purity class
PCS
Nominal diameter
40
Connection type
KF
Diameter
50 mm
Purity class
PCS
$3.86
in production
KF Hose Shafts | 302035
Nominal diameter
40
Connection type
KF
Outer diameter
2.165 ″
Flange material
Aluminium
Purity class
PCS
Nominal diameter
40
Connection type
KF
Outer diameter
55 mm
Flange material
Aluminium
Purity class
PCS
$22.50
in production
KF Hose Shafts | 302037
Nominal diameter
40
Connection type
KF
Outer diameter
2.165 ″
Flange material
Stainless steel 316L
Purity class
PCS
Nominal diameter
40
Connection type
KF
Outer diameter
55 mm
Flange material
Stainless steel 316L
Purity class
PCS
$45.00
in production
KF Mesh Centering Ring | 302039
Nominal diameter
40
Connection type
KF
Diameter
1.614 ″
Meshsize
0.039 ″
Wire diameter
0.012 ″
Centering ring material
Stainless steel 304
Gasket material
NBR
Purity class
PCS
Nominal diameter
40
Connection type
KF
Diameter
41 mm
Meshsize
1 mm
Wire diameter
0,3 mm
Centering ring material
Stainless steel 304
Gasket material
NBR
Purity class
PCS
$53.00
available
KF Mesh Centering Ring | 302040
Nominal diameter
40
Connection type
KF
Diameter
1.614 ″
Meshsize
0.039 ″
Wire diameter
0.012 ″
Centering ring material
Stainless steel 304
Gasket material
FKM
Purity class
PCS
Nominal diameter
40
Connection type
KF
Diameter
41 mm
Meshsize
1 mm
Wire diameter
0,3 mm
Centering ring material
Stainless steel 304
Gasket material
FKM
Purity class
PCS
$37.00
available
KF-NPT Adapters, NPT-external Thread | 302045
Nominal diameter
40
Connection type
KF
Outer diameter
2.165 ″
Flange material
Stainless steel 316L
NPT pipe thread
1/2" NPT
Purity class
PCS
Nominal diameter
40
Connection type
KF
Outer diameter
55 mm
Flange material
Stainless steel 316L
NPT pipe thread
1/2" NPT
Purity class
PCS
$165.00
in production
KF-NPT Adapters, NPT-external Thread | 302047
Nominal diameter
40
Connection type
KF
Outer diameter
2.165 ″
Flange material
Stainless steel 316L
NPT pipe thread
3/4" NPT
Purity class
PCS
Nominal diameter
40
Connection type
KF
Outer diameter
55 mm
Flange material
Stainless steel 316L
NPT pipe thread
3/4" NPT
Purity class
PCS
$46.00
in production
KF O-Rings | 302048
Connection type
KF
Nominal diameter
40
Diameter
1.654 ″
Gasket material
NBR
Bakeout temperature
212 °F
Min. operating temperature
14 °F
Purity class
PCS
Connection type
KF
Nominal diameter
40
Diameter
42 mm
Gasket material
NBR
Bakeout temperature
100 °C
Min. operating temperature
-10 °C
Purity class
PCS
$2.00
available
KF PVC Hose Connectors, complete | 302049
Nominal diameter
40
Connection type
KF
Outer diameter
2.165 ″
Length
39.37 ″
Flange material
Stainless steel 316L
Bellow material
PVC
Purity class
PCS
Nominal diameter
40
Connection type
KF
Outer diameter
55 mm
Length
1000 mm
Flange material
Stainless steel 316L
Bellow material
PVC
Purity class
PCS
$120.00
on request
KF PVC Hose Connectors, complete | 302050
Nominal diameter
40
Connection type
KF
Outer diameter
2.165 ″
Length
9.843 ″
Flange material
Stainless steel 316L
Bellow material
PVC
Purity class
PCS
Nominal diameter
40
Connection type
KF
Outer diameter
55 mm
Length
250 mm
Flange material
Stainless steel 316L
Bellow material
PVC
Purity class
PCS
$111.00
in production
KF PVC Hose Connectors, complete | 302051
Nominal diameter
40
Connection type
KF
Outer diameter
2.165 ″
Length
19.685 ″
Flange material
Stainless steel 316L
Bellow material
PVC
Purity class
PCS
Nominal diameter
40
Connection type
KF
Outer diameter
55 mm
Length
500 mm
Flange material
Stainless steel 316L
Bellow material
PVC
Purity class
PCS
$118.00
in production
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