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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

400460W (60kV)

Insulator 4004 - 60kV, Weldable

Voltage DC:                       >60kV

Tube:                                  Kovar

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

Magnetic materials:        Yes

Temperature Range:      -50°C to 450°C

 
Number Ceramics Insulator sign. Voltage DC (kV)
ID OD h ID OD H
4004.60W 64 76 76 64 76 111 - 60kV
 

 

Your price: €563.92

400460CF (60kV)

Insulator 4004 - 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
4004.60CF 64 76 76 64 152,5 132 NW100CF 60kV
 

 

Your price: €1,151.92

400520CF (20kV)

Special offer

Insulator 4005 - 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
4005.20CF 102 122 23 102 153 116 NW100CF 20kV
 

 

Your price: €1,647.72

400520W (20kV)

Insulator 4005 - 20kV, Weldable

Voltage DC:                       >20kV

Tube:                                  Kovar

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

Magnetic materials:        Yes

Temperature Range:      -50°C to 450°C

 
Number Ceramics Insulator sign. Voltage DC (kV)
ID OD h ID OD H
4005.20W 102 122 23 102 122 95 - 20kV

 

Your price: €1,128.63

401510W (10kV)

Special offer

Insulator 4015 - 10kV, Weldable

Voltage DC:                       >10kV

Tube:                                  Kovar

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

Magnetic materials:        Yes

Temperature Range:      -50°C to 450°C

 
Number Ceramics Insulator sign. Voltage DC (kV)
ID OD h ID OD H
4001.15W 34 46 20 34 46 66 - 10kV
 

 



 

Your price: €262.81

401960W (60kV)

Insulator 4019 - 60kV, Weldable

Voltage DC:                       >60kV

Tube:                                  Kovar

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

Magnetic materials:        Yes

Temperature Range:      -50°C to 450°C

 

Number Ceramics Insulator sign. Voltage DC (kV)
ID OD h ID OD H
4019.60W 66 82 111 61,9 63,5 163,7 - 60kV

 

Drawing: 

Your price: €1,759.82

Water break, 5kV, 1/2 Tube, Weld

Water Break - 1/2 Tube

Voltage DC:                       >5kV

Tube:                                  OFCu

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

ID Tube:                            12,8 mm

Lenght of break:                77,2 mm

 

Your price: €168.49

Water break, 5kV, 3/8 Tube, Weld

Water Break - 3/8 Tube

Voltage DC:                       >5kV

Tube:                                  OFCu

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

ID Tube:                            9,65 mm

Lenght of break:                75,9 mm

 

Your price: €169.32

Water break, 5kV, 1/4 Tube, Weld

Water Break - 1/4 Tube

Voltage DC:                       >5kV

Tube:                                  OFCu

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

ID Tube:                            6,5 mm

Lenght of break:                76,3 mm

Your price: €159.18

400230CF (30kV)

Insulator 4002 - 30kV, ConFlat

Voltage DC:                       >30kV

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
4002.30CF 23 36 38 23 70 76 NW35CF 30kV
 

 

Your price: €478.80

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