About us

Visilume Ltd

Visilume supplies a large range of sight glasses for viewing the contents and also the level of tanks, vessels or pipelines. Sight glasses enable you to monitor liquid flow either manually or at a distance. Sight glasses can be installed by welding, bolting or clamping into your equipment.

Sight glasses are assembled to suit the requirements of your specific plant and vary in pressure from high vacuum through atmospheric to high pressures up to 1000 bar. There is a very wide variety of applications so there are sight glasses ideal for each application from cryogenic through to furnaces. Sight glasses can be as small as 6mm and as large as 600mm.

Site glass surrounds are made of diverse materials to suit your process, these include aluminums, carbon steels, stainless steels, duplex stainless steels and hasteloys.


Products

 ASL55 LED Ex Explosion Proof Camera

ASL55 LED Ex Explosion Proof Camera

Glare-free illumination; ideal for circular sight glass fittings to DIN 28120/DIN 28121 or similar, for screw-type sight glass fittings in compliance ...

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 Bi-directional Composite Bursting Discs

Bi-directional Composite Bursting Discs

If the operating pressure exceeds the permitted value, the foil will tear segmentally or fragment-free in a hinge-like pattern. So they can easily be ...

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 Biodigester Sight Glass Fittings

Biodigester Sight Glass Fittings

Our Custom Sightports are designed for use on biodigesters and water treatment plants. Ideal for setting into concrete, bolting to a base flange or we...

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 Borosilicate Sight Glass Spares

Borosilicate Sight Glass Spares

* For pressure duties at temperatures up to 280?C. No lower temperature limit * Toughened borosilicate glass to either BS 3463 or DIN 7080 * Ground ...

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 Circular Sight Glass Fittings

Circular Sight Glass Fittings

Common applications include the viewing of internals of pressure vessels, silos, tanks, stirred vessels, separators pipelines etc.

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 Custom Sight Glass Fittings

Custom Sight Glass Fittings

We can offer a range of custom sight glass fittings, please contact us to discuss your requirements.

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 DIN 11851 MV Screwed Sight Glass

DIN 11851 MV Screwed Sight Glass

Weld-on sight glass fitting featuring screwed cover flange. Sightport is ideal for viewing into Bioreactors, Laboratory mixers, filters as well as int...

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 DIN 28120 Sight Glass

DIN 28120 Sight Glass

Weld-on sightglass fittings for the observation of the internals of pressure vessels, gear-trains, silos, separators, pipelines, etc. These sightglass...

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 DIN 28121 Circular Sight Glass Fitting

DIN 28121 Circular Sight Glass Fitting

Observation and illumination of the interior of enclosed vessels. Sight glasses made up of round flange mountings to be welded into or onto a vessel, ...

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 Full View Sterile Flow Indicators

Full View Sterile Flow Indicators

Our Sterile Visual Flow Indicator offers easy cleaning, validation and sterilisation so it is suitable for biotech and pharmaceutical applications. Th...

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 Low Pressure Sight Glasses

Low Pressure Sight Glasses

Visilume low pressure sight glasses are similar to the DIN28-120 series and are ideal for welding into or onto vessel walls.

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 Lumistar Combined Light/Sight Glass

Lumistar Combined Light/Sight Glass

For illumination of internals of pressure vessels, tanks, silos, bunkers, stirred vessels and other normally enclosed containers in non explosion haza...

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 Magnetic Level Gauge MLD40/300

Magnetic Level Gauge MLD40/300

Magnetic Level Gauges are suitable for toxic, corrosive or flammable liquids and suitable for both hazardous and safe areas, featuring an enclosed uni...

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 Metaclamp Sight Glasses

Metaclamp Sight Glasses

METAGLAS sight glasses for aseptic applications for clamp connection according to DIN32676

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 Metaglas Glass Lined Sightglasses

Metaglas Glass Lined Sightglasses

Glass lined metal fused sight glasses merge the safety of a mechanical pre stressed sight glass and the exquisite properties of glass lined surfaces.

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 Metaglas Threaded Sight Glasses

Metaglas Threaded Sight Glasses

sight glass for oil level CRN-Approved: OF16204.2 Borosilicate glass

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 Motor Drive For Wipers

Motor Drive For Wipers

The Ex-class motor drive is primarily intended for operating wipers on sight glasses for short-term operation. For other applications it can also be u...

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 MV SLM ME Combined Light/Sight Glass

MV SLM ME Combined Light/Sight Glass

This integral light/sight port features a weld-on sight glass fitting with a screwed cover flange which holds luminaire - alternatively aluminum or st...

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 Non-Pressurised Sight Glass

Non-Pressurised Sight Glass

These sight glass units are used for observing the interior of separators, silos, tanks, stirred vessels, pipelines etc, are developed for welding int...

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 Obround Sight Glass Fitting

Obround Sight Glass Fitting

Low profile, clean-line design with counter-sunk bolts. For welding into or onto vessel wall. Complete with fully gasketed glass plate and bolting. Hi...

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 Overpressure Composite Bursting Discs

Overpressure Composite Bursting Discs

If the operating pressure exceeds the permitted value, the foil will tear segmentally or fragment-free in a hinge-like pattern. So they can easily be ...

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 Pressure Vessel Clamps

Pressure Vessel Clamps

Quick release pressure vessel clamps provide an economic and safe alternative to conventional bolting when assembling pressure vessels and pipelines. ...

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 Quartz Sight Glass Spares

Quartz Sight Glass Spares

Quartz glass is a one-component glass (SiO2). It is one of the most valuable materials for both science and industry. There is a distinction between s...

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 Rectangular Sight Glass Fitting

Rectangular Sight Glass Fitting

For welding into or onto vessel wall Complete with fully gasketed glass plate and bolting Sizes: 250 to 1000 mm long, 70 mm wide, viewing slot 18 mm...

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 Sight Glass Fittings

Sight Glass Fittings

Sight glasses are made up two flanges, bolted together, surrounding a glass disc sealed with gaskets and offers a means of viewing the inside of a pro...

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 Sight Glass Spray Device

Sight Glass Spray Device

This Lumiglas Spray Device for circular sight glass fittings to DIN 28120 and similar

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 SKS/ESKS Combined Light/Sight Glass

SKS/ESKS Combined Light/Sight Glass

ESKS integral light/sight glass fittings feature a quick release closure, so that they are a combination of charge/access port and light/sightglass. T...

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 Soda Lime Sight Glass Spares

Soda Lime Sight Glass Spares

* For pressure duties at temperatures up to 150?C. No lower temperature limit * Toughened (tempered) soda lime glass to DIN 8902 or alternatively BS ...

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 Sterile Visual Flow Indicators

Sterile Visual Flow Indicators

Our Sterile Visual Flow Indicator provides easy cleaning, validation and sterilisation so it is ideal for biotech and pharmaceutical applications. The...

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 Type 16/14 Brass Level Indicators

Type 16/14 Brass Level Indicators

Glass Tube Level indicator for fitting on condensation tanks, reservoirs, fire sprinkler tanks, water supply tanks etc.

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News

Visilume is Now Employee Owned

Visilume is Now Employee Owned

Visilume Limited is proud to announce that as of 1st October 2014, it is now an employee owned company Having remained an independent company since i...

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Visilume camera improves efficiency and quality

Visilume camera improves efficiency and quality

Active pharmaceutical ingredients and fine chemicals supplier, Macfarlan Smith, has improved operator efficiency at its Edinburgh plant following the ...

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Sight-flow indicators eliminate glass breakage & slash maintenance costs

Sight-flow indicators eliminate glass breakage & slash maintenance costs

Safe operation and simple low cost maintenance are offered by Visilume sight-flow indicators with METAGLAS safety sight windows. In the event of seal ...

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New LED Light Cuts Ownership Costs

New LED Light Cuts Ownership Costs

Visilumes new fit and forget LED light offers more than a decade of maintenance free operation so it is an ideal choice to minimise costs. Unlike c...

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New Bursting Disc Range

New Bursting Disc Range

Bursting discs from the internationally renowned Oseco range plrFor over twenty years, Oseco has provided superior products, excellent prices, and ...

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5 News

Documents

Lumistar Luminaire ESL 25-Ex

Lumistar Luminaire ESL 25-Ex

Catalogue

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Lumistar Luminaire USL 05-Ex

Lumistar Luminaire USL 05-Ex

Catalogue

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Lumistar Luminaire USL 06-Ex

Lumistar Luminaire USL 06-Ex

Catalogue

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Lumistar Luminaire ESL 27-Ex

Lumistar Luminaire ESL 27-Ex

Catalogue

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VISULEX Camera K15ZP-E K15ZN-E

VISULEX Camera K15ZP-E K15ZN-E

Catalogue

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VISULEX Ex-Camera K06A-Ex

VISULEX Ex-Camera K06A-Ex

Catalogue

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Lumistar Luminaire ESL 55-LED-Ex

Lumistar Luminaire ESL 55-LED-Ex

Catalogue

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Visilume Overview Flyer updated

Visilume Overview Flyer updated

Catalogue

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Lumistar Luminaire USL 07-Ex

Lumistar Luminaire USL 07-Ex

Catalogue

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Lumistar Luminaire USL 08-Ex

Lumistar Luminaire USL 08-Ex

Catalogue

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VISULEX K25ZP-Ex K25ZN-Ex

VISULEX K25ZP-Ex K25ZN-Ex

Catalogue

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Lumistar Luminaire ASL 55-LED-Ex

Lumistar Luminaire ASL 55-LED-Ex

Catalogue

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Lumistar Luminaire ASL57LED-Ex

Lumistar Luminaire ASL57LED-Ex

Catalogue

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Lumistar Luminaire ESL 26-Ex

Lumistar Luminaire ESL 26-Ex

Catalogue

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19 Documents

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Visilume Ltd

  • High Street West
  • Glossop
  • Derbyshire
  • SK13 8ER

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