COMEM Group

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Veneta Isolatori S.r.L.
Comem do Brasil LTDA
Comemsud S.r.L.
Comemde PTE LTD
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Home > Products > Bushing insulators and accessories for power and distribution transformers 

Bushing insulators and accessories for power and distribution transformers



Air dehumidifiers

Air dehumidifiers are used in oil insulated transformers and have the function to absorb air humidity which has been sucked by the conservator during thermal contraction of the insulating liquid.
We manufacture a wide range of air dehumidifiers on the basis of the quantity of oil contained in the transformer and the drying material, called silica gel, contained in the air dehumidifier. The table below shows the different types.
Please contact our Sales Department in case you need further information and/or catalogues.

TYPE - OIL (Ton)


1-2 / 0÷8
3-4 / 8÷20
5-6 / 20÷60
7-8 / >60


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   Other products
BT busbar bushing
Buchholz relays
Bus-bar insulators BT and PIAS type
Combined bushing insulators CRS 24kV 250A, 60kV 3150A, 72,5kV 2000A
Oil level indicators
Plug-in bushings PPQ type
Plug-in bushings PPS type
Polymeric bushings 1kV 250A
Porcelain bushing insulators
Pressure relief valves
R.I.S.
Shutter valve
Tap changers AT type
Tap changers MT type
Tap changers TKC type
Temperature control units "MB 103"
Winding and oil temperature indicators


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