About us

Ceramic Seals Limited

Ceramic Seals Limited is an independent Company dedicated to the production of a comprehensive variety of quality ceramic-to-metal seals, sapphire-to-metal seals and related products.

Ceramic Seals Limited offers over 4 decades of experience in design and manufacture of ceramic-to-metal seals for operation in ultra-high vacuum, high pressures.

Our product ranges include Electrical/Fluid Feedthroughs, Isolators, Cable Terminations, Sapphire/Quartz Lenses and Windows, all specifically designed and produced to meet the demands of, amongst others, the Vacuum, Nuclear, Electrical, Aerospace and Defence industries


Products

Ceramic Bushes From Ceramic Seals Ltd

Ceramic Bushes From Ceramic Seals Ltd

At Ceramic Seals we can offer a selection of high alumina bushes for general insulation applications. These are fully bakeable and are produced from...

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Coaxial Connectors From Ceramic Seals Ltd

Coaxial Connectors From Ceramic Seals Ltd

Ceramic Seals Limited offers a selection of coaxial connector styles employing four different mating interfaces, ***BNC, MHV, SHV and SMA***. Our co...

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Cryogenic Liquid Gas Isolators From Ceramic Seals

Cryogenic Liquid Gas Isolators From Ceramic Seals

Many sizes and styles of Cryogenic liquid gas isolators can be manufactured quickly and economically from standard the components of ceramic and stai...

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Custom Built Sapphire Viewports From Ceramic Seals

Custom Built Sapphire Viewports From Ceramic Seals

Customers who may have certain requirements for special materials, dimensions, configurations and transmission characteristics should contact our tech...

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Gaskets & Seals From Ceramic Seals

Gaskets & Seals From Ceramic Seals

***Oxygen-free High Conductivity copper gaskets can be provided in standard, annealed and silver plated versions***. ***Gold wire seals and compatib...

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High Current Feedthroughs From Ceramic Seals Ltd

High Current Feedthroughs From Ceramic Seals Ltd

Ceramic Seals Limited are able to provide a selection of feedthroughs for applications needing hermeticity and electrical isolation, one of these bein...

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High Voltage Feedthroughs From Ceramic Seals LTD

High Voltage Feedthroughs From Ceramic Seals LTD

Ceramic Seals Limited are able to provide a selection of feedthroughs for applications needing hermeticity and electrical isolation, one of these bein...

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Instrumentation Feedthrough From Ceramic Seals Ltd

Instrumentation Feedthrough From Ceramic Seals Ltd

Ceramic Seals Limited are able to provide a selection of feedthroughs for applications needing hermeticity and electrical isolation, one of these bein...

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Multi-Pin Feedthroughs

Multi-Pin Feedthroughs

- Ceramic Seals can provide the ceramic metal feedthrough for customers who do not need the full plug and socket assembly. - Feedthroughs are normal...

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O-Ring flanges From Ceramic Seals Ltd

O-Ring flanges From Ceramic Seals Ltd

The low temperature, quick release alternative to U.H.V. flanges are manufactured in stainless steel to ISO specification guarantees compatibility wit...

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Power Feedthroughs From Ceramic Seals Ltd

Power Feedthroughs From Ceramic Seals Ltd

***Ceramic Seals Limited are able to provide a selection of feedthroughs for applications needing hermeticity and electrical isolation, one of these b...

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Single Feedthroughs Available From Ceramic Seals

Single Feedthroughs Available From Ceramic Seals

Ceramic Seals Limited are able to provide a selection of feedthroughs for applications needing hermeticity and electrical isolation, one of these bein...

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Small Diameter Isolators From Ceramic Seals

Small Diameter Isolators From Ceramic Seals

Small diameter isolators, using similar compression joints to cryogenic feedthroughs, can be employed as electrical isolators in vacuum systems or as ...

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Thermocouple Feedthroughs

Thermocouple Feedthroughs

- Ceramic Seals Limited are able to provide a selection of feedthroughs for applications needing hermeticity and electrical isolation, one of these be...

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Ultra High Vacuum Flanges

Ultra High Vacuum Flanges

Ceramic Seals offer both fixed and rotatable stainless steel EN 1.4307 (304S11) or EN 1.4406 (316LN) flanges to ISO 3669. These are completely inte...

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Vacuum Breaks Available In Oldham

Vacuum Breaks Available In Oldham

The largest diameter isolators, or vacuum breaks, can be provided with a range of stainless steel flanges or with 42% nickel-iron tubes for customers ...

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16 Products

Technical Information

Brazing Services From Ceramic Seals Ltd

Brazing Services From Ceramic Seals Ltd

At Ceramic Seals Facilities are available for brazing components, in vacuum, or minimising atmosphere, up to 250mm diameter × 300mm long. The braze m...

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Dry Pressing From Ceramic Seals Ltd

Dry Pressing From Ceramic Seals Ltd

This is the most economical production method where the amount required will support the manufacture of high cost tooling.

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Firing Services At Ceramic Seals Ltd

Firing Services At Ceramic Seals Ltd

After isostatic or dry pressing and machining where necessary , the components are fired in small batch or large intermittent kilns dependent upon the...

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Isostatic Pressing Services From Ceramic Seals Ltd

Isostatic Pressing Services From Ceramic Seals Ltd

- This method is primarily employed where it is required to machine the pressed component before firing as it would be uneconomic or impossible to mac...

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4 Technical Information

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Ceramic Seals Limited

  • Ceramic Seals Limited
  • Westwood Industrial Estate
  • Arkwright St
  • Oldham
  • OL9 9LZ

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