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    Vacuum insulators (ceramic break) consist of special ceramics which, thanks to their extreme mechanical strength and negligible electrical conductivity, offer a ready protection against voltage surges. LAPP Insulators Alumina produces such insulators from aluminium oxide, which is capable of maintaining its insulation strength even under the toughest conditions and voltage peaks. The entire design from the initial concept through to the final manufacturing process is carried out against the backdrop of your specific requirements and concepts. Our 

 

development engineers work closely to your operating conditions and application in designing the component’s size, surface area and construction. As creepage paths and clearances critically influence the insulating properties of the ceramic isolation components, we pay particular attention to maximising creepage current stability. Here the ideal properties of ceramics in such composite assemblies are vividly demonstrated. The use of aluminium oxide also strongly influences the mechanical strength of the component. Our high quality precision vacuum insulation tubes have already won over numerous customers with exacting application concepts.

 

    Together with our customers, we have been using the FEM method in the development of vacuum insulation tubes since 2013 to provide concrete and reliable forecasts on the behaviour of  planned components. Key issues include the interaction of the individual components as a composite, the stress profile or the technical characteristics of the ceramic. The material data enables detailed design of prototypes, saving on multiple test series. Particularly for our vacuum insulators, this means reduced development times and cost savings; and overall a reduced time-to-market for your new product. Our corporate research and development centre,” LIKE,” has a wealth of know-how and technical expertise, available for us to draw on in the design of your particular component. That’s why globally, LAPP Insulators Alumina is among the leading manufacturers of high-end, certified vacuum insulators for extreme conditions.

        

    LAPP Insulators Alumina offers a standard program of vacuum insulators (ceramic break). These are available in three variants, featuring a weldable adapter in a Nickel Iron alloy, or with a stainless steel flange in ISO format (KF small flange) or Conflat (CF flange) designs. Parts with non-standard lengths and diameters not listed can be quoted on enquiry. Any standard program vacuum insulator can be supplied within three weeks and in quantities from one unit upwards.

 

Insulators

400905CF (5kV)

Insulator 4009 - 5kV, ConFlat

Voltage DC:                       >5kV

Tube:                                  Kovar

Insulator:                           Alumina ceramics (Al2O3), min. 96%

Flange:                              Stainless steel 1.4301, NW35CF

Magnetic materials:        Yes

Temperature Range:      -50°C to 450°C

 
Number Ceramics Insulator sign. Voltage DC (kV)
ID OD h ID OD H
4009.05CF 32 41 4 32 70 61 NW35CF 5kV

 

Your price: €287.98

400965CF (65kV)

Insulator 4009 - 65kV, ConFlat

Voltage DC:                       >65kV

Tube:                                  Kovar

Insulator:                           Alumina ceramics (Al2O3), min. 96%

Flange:                              Stainless steel 1.4301, NW35CF

Magnetic materials:        Yes

Temperature Range:      -50°C to 450°C

 
Number Ceramics Insulator sign. Voltage DC (kV)
ID OD h ID OD H
4009.65CF 32 41 99 32 70 107 NW35CF 65kV

 

Your price: €449.76

401020CF (20kV)

Insulator 4010 - 20kV, ConFlat

Voltage DC:                       >20kV

Tube:                                  Kovar

Insulator:                           Alumina ceramics (Al2O3), min. 96%

Flange:                              Stainless steel 1.4301, NW100CF

Magnetic materials:        Yes

Temperature Range:      -50°C to 450°C

 
Number Ceramics Insulator sign. Voltage DC (kV)
ID OD h ID OD H
4010.20CF 64 84 23 64 153 116 NW100CF 20kV

 

Your price: €1,492.41

401060CF (60kV)

Insulator 4010 - 60kV, ConFlat

Voltage DC:                       >60kV

Tube:                                  Kovar

Insulator:                           Alumina ceramics (Al2O3), min. 96%

Flange:                              Stainless steel 1.4301, NW100CF

Magnetic materials:        Yes

Temperature Range:      -50°C to 450°C

 
Number Ceramics Insulator sign. Voltage DC (kV)
ID OD h ID OD H
4010.60CF 64 84 93 64 153 186 NW100CF 60kV

 

Your price: €1,714.33

400560CF (60kV)

Insulator 4005 - 60kV, ConFlat

Voltage DC:                       >60kV

Tube:                                  Kovar

Insulator:                           Alumina ceramics (Al2O3), min. 96%

Flange:                              Stainless steel 1.4301, NW100CF

Magnetic materials:        Yes

Temperature Range:      -50°C to 450°C

 
Number Ceramics Insulator sign. Voltage DC (kV)
ID OD h ID OD H
4005.60CF 102 122 93 102 153 186 NW100CF 60kV

 

Your price: €1,915.91

401355CF (60kV)

Insulator 4013 - 60kV, ConFlat

Voltage DC:                       >60kV

Tube:                                  Kovar, Dilver P1

Insulator:                           Alumina ceramics (Al2O3), min. 96%

Flange:                              Stainless steel 1.4301, NW160CF

Magnetic materials:        Yes

Temperature Range:      -50°C to 450°C

 
Number Ceramics Insulator sign. Voltage DC (kV)
ID OD h ID OD H
4013.55CF 154 173 91 154 203,20 180 NW160CF 60kV
 

 

Your price: €4,400.77

401775CF (75kV)

Insulator 4017 - 75kV, ConFlat

Voltage DC:                       >75kV

Tube:                                  Kovar

Insulator:                           Alumina ceramics (Al2O3), min. 96%

Flange:                              Stainless steel 1.4301, NW160CF

Magnetic materials:        Yes

Temperature Range:      -50°C to 450°C

 
Number Ceramics Insulator sign. Voltage DC (kV)
ID OD h ID OD H
4017.75CF 155 172 140 150,7 203,2 214 NW160CF 75kV

 

Your price: €3,496.60

401860CF (60kV)

Insulator 4018 - 60kV, ConFlat

Voltage DC:                       >60kV

Tube:                                  Kovar

Insulator:                           Alumina ceramics (Al2O3), min. 96%

Flange:                              Stainless steel 1.4301, NW100CF

Magnetic materials:        Yes

Temperature Range:      -50°C to 450°C

 
Number Ceramics Insulator sign. Voltage DC (kV)
ID OD h ID OD H
4018.60CF 105 120 115 100 101,6 186 NW100CF 60kV

 

Your price: €2,463.21

401960CF (60kV)

Insulator 4019 - 60kV, ConFlat

Voltage DC:                       >60kV

Tube:                                  Kovar

Insulator:                           Alumina ceramics (Al2O3), min. 96%

Flange:                              Stainless steel 1.4301, NW63CF

Magnetic materials:        Yes

Temperature Range:      -50°C to 450°C

 
Number Ceramics Insulator sign. Voltage DC (kV)
ID OD h ID OD H
4019.60CF 66 77 111 61,9 114,3 182,6 NW63CF 60kV
 

Your price: €2,203.41

402075CF (75kV)

Insulator 4020 - 75kV, ConFlat

Voltage DC:                       >75kV

Tube:                                  Kovar

Insulator:                           Alumina ceramics (Al2O3), min. 96%

Flange:                              Stainless steel 1.4301, NW200CF

Magnetic materials:        Yes

Temperature Range:      -50°C to 450°C

 
Number Ceramics Insulator sign. Voltage DC (kV)
ID OD h ID OD H
4020.75CF 155 172 140 150,7 254 217,3 NW200CF 75kV

 

Your price: €6,040.57

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