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Expo
Simplifying Complexity.
Delivering Safety.

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Expo works on many interesting applications each year for its customers across all industry sectors.  
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A lot has happend in the past 60 years From the early days of Telektron working for the UK Royal Navy to the present day, Expo Technologies has…
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Working at Expo Technologies Expo is headquartered in Sunbury-on-Thames in the UK, with facilities in the USA, China and Ireland. We have over 110…
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Expo offers a wide range of standard purge system flow rates, configurations, and features.  Sometimes however, due to the nature of the…
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We take the privacy of our visitors very seriously. This Privacy Policy document describes the type of information we collect, how it is collected…
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Download our UK terms and conditions here: Download our US terms and conditions here:
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What is a Hazardous Area? A hazardous area is a location where the potential for fire or explosion exists caused by the presence of ignitable gases…
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2020 has been a challenging year for all of us and this will now culminate with the end of the transition period of the United Kingdom’s separation…
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Setting a new standard Inert gas buffer systems are essential to the safe and efficient operation of reciprocating compressors for flammable and…
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Dear Expo Customer,    The past year has presented major challenges to all of us, and, globally, the world is…
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Expo Technologies has an experienced and highly focused leadership team. Read more about the team here.
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The content for this page is edited in the "Expo Settings" menu in the black admin bar above.
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Become part of the Expo team – With increasing demand in the hazardous area sector, we take our responsibility as a global leader very…
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This list is not intended to be exhaustive, but includes gases most frequently encountered on analyser projects   Gas Type GAS FLAMMABLE…
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In manufacturing, there are two standards used to measure the different grades of electrical enclosures and how resistant they are to the ingress of…
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Expo Technologies is the world leader in protection systems for large electric motors and generators. With the largest installed base of any…
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Expo designs and manufactures a wide range of hazardous area electrical enclosures that can be certified for use in both gas and dust environments.…
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In addition to the many Expo products that are sold as components for larger systems, we also offer a range of Packaged Solutions. Expo’s Packaged…
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Expo offers a range of accessories that enhance the performance and increase the capabilities of our hazardous area products: In-line air…
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Supporting Expo’s leading range of hazardous area systems and equipment, we offer a wide range of knowhow-based services that draw on our decades of…
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Expo’s low temperature motor purge and pressurization systems require compressed air supply at a temperature above -40oC. In cases where the air…
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To ensure long, trouble-free service, Expo’s purge and pressurization systems require good quality instrument quality compressed air. Our…
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Expo’s Electro-Pneumatic Power Supply (EPPS) is a revolution in the development of Intrinsically Safe (IS Ex ia) power supplies. Designed as a direct…
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Thermal management for electrical enclosures should be considered at the design and specification stage. While enclosure heating is relatively…
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Expo’s Interface Units provide switching of power and signals to the pressurized enclosure, using a control signal from the purge system. This…
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Expo’s Friction Free Digital Valves (FFD) offer exceptionally low power operation with reliability in a wide range of control system applications.…
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Expo’s RP-Max-Z room pressurization systems are designed for type Z / Ex pz pressurization in accordance with NFPA496 and ATEX  for Class I Div…
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Reciprocating compressors incorporate pistons and piston rings and, during service life, there is a risk that those seals may allow some gas leakage…
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Expo’s Minipurge type Z range provides a full purge and pressurization solution for electrical enclosures and other equipment installed in Zone 2 or…
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The SmartPurge II (SP2) is a highly flexible electronic purge and pressurization system suitable for a wide range of flow rates and duties. It can…
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Harsh conditions, such as corrosive, dirty or dusty environments, can shorten the life of electrical components and systems, even inside enclosures,…
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Expo’s MiniPurge dust systems provide a pressurization only protection solution for electrical enclosures and other equipment installed in Zone…
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Building on the range of pre-start ventilation systems for standard temperature, Expo have developed special systems for low temperature service as…
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Printers for bar code and batch number labels are found in many manufacturing facilities. If the printer is to be located in a hazardous area, for…
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The Expo Technologies  Operator Interface Adapter is used to allow regular operator interfaces to be used in hazardous locations.   It is…
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Dear Customer, As the world faces uncertain times with the ongoing COVID-19 pandemic, I wanted to assure you that Expo Technologies are taking…
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Over the past few months we’ve been working hard building a new website, and we’re happy to say that our new site is now live. Working across all…
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Expo regularly works with this client, a leading manufacturer of hazardous area industrial heating systems, to supply Ex p control enclosures. The…
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Expo Process Analytics have recently designed and manufactured a multi PAT powder stream conditioning chute for use in characterising product in…
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Designed at our UK engineering hub and built by our US team, we recently supplied some heavy-duty low & medium voltage Ex e enclosures for an…
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A world-leading HV (High Voltage) motor manufacture recently won a contract to provide a motor with sufficient power and torque to drive a very…
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With more than 60 years’ experience and in-depth knowledge of hazardous area standards, Expo Technologies develops and delivers simple,…
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Expo Technologies is the world leader in protection systems for large electric motors and generators. With the largest installed base of purge…
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Worldwide, more than 17,000 electrical enclosures and systems rely on Expo Technologies purge systems to operate safely in hazardous areas. Read how…
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Today, Expo Technologies (www.expoworldwide.com), a 60-year-old UK based leading manufacturer of process equipment announced it has selected Coomtech…
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You can readily buy bar code readers for hazardous areas, but up until now it has been hard to find certified bar code printers. Expo has solved that…
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Thermal management of hazardous area enclosures is important to consider at the start of any project.Leaving it an an afterthought can easily drive…
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Expo’s enclosures provide hazardous area protection for everything from Analysers to Zebra label printers. We work with electrical panel…
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Expo are pleased to announce that our Russian EAC Minipurge certificate has been renewed. This covers the entire range of small purge systems for…
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Catch up with the latest in hazardous area protection from Expo in our Autumn newsletter.
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Dear Customer, As the world continues to face uncertain times, and many counties are yet again increasing restrictions on activities, I…
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Join Expo Technologies at UKChemOnline - the UK Department for International Trade (DIT), working with CHEMUKEXPO, is launching its own…
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The China Compulsory Certification (CCC) is a mandatory conformity assessment system for products imported and sold in China. It was first…
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As developments to support the H2 economy grow in scope and scale, many new businesses are emerging in areas such as small-scale generation,…
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Brexit Readiness  2020 has been a challenging year for all of us and this will now culminate with the end of the transition period of the United…
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Expo Technologies UK will be closing for Christmas on the 24th of December 2020 and re-opening on the 4th of January 2021. It has certainly been a…
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Established in 1973, the Solvents Industry Association (SIA) has sought to support the UK solvents industry and consumers in the …
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Catch up with the latest in hazardous area protection from Expo in our February newsletter.
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Setting a new standard for API 618 buffer systems Inert gas buffer systems are essential to the safe and efficient operation of reciprocating…
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Expo launches dedicated German language website Recognising the importance of the German language market, Expo has now launched a dedicated site. At…
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Expo has received an order for multiple large capacity motor purge systems from a leading global electric motor manufacturer. Destined for use…
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Two major deadlines are now on the horizon for manufactures of Hazardous Location products in the UK selling to countries within the EU. As of the…
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ChemUK is the only dedicated trade show and speaker programme for the UK's chemical industries and related supply chains, and is being held at…
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As part of the post Brexit transition process, manufacturers of equipment of hazardous areas selling into the UK are required to align with a new…
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We are excited to announce our partnership with Engineers Without Borders UK. 'The alignment of Engineers Without Borders UK and Expo’s strategic…
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ExxonMobil's new FPSO (Floating Production Storage & Offloading) vessel, the Liza Unity, has arrived in Guyana after a 53 day journey from…
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If hydrogen is to develop into a major energy vector, then many new end-users, manufacturers and OEMs will become involved in generating, moving…
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Expo Technologies arrangements over Christmas and the New Year As another challenging year draws to a close, everyone at Expo would sincerely…
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Read our latest article in this month's Envirotec magazine  The article explores the potential challenges with installation and use of…
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Expo has been successful in winning a prestigious upgrade project at a large chemical complex in Thailand. Working closely with Greenergy Serve Ltd,…
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OTC is back. The offshore industry’s largest equipment exhibition returns to Houston from 2-5th May. Meet with the Expo team and catch up on our…
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At Expo Technologies, we are aware of the pressures that many supply chains are under, leading to extended lead-times, and putting project delivery…
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Application

The D758 purge and pressurization system delivers purge flowrates up to 6,000 Nl/min and is ideal for medium to large sized Ex p electrical machines…
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The D818 purge and pressurization system delivers purge flowrates up to 1,500 Nl/min and is ideal for medium to large sized Ex p electrical machines…
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Building on the range of motor purge and pressurization systems for standard temperature, Expo have developed special systems for low temperature…
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The D808 purge and pressurization system delivers purge flowrates up to 14,000 Nl/min and is ideal for very large sized Ex p electrical machines. The…
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Building on the range of motor purge and pressurization systems for standard temperature, Expo have developed special systems for high temperature…
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Expo’s PV range of pre-start ventilation systems provide essential protection to large non-sparking electric motors. The PV range can deliver pre-…
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Expo’s Minipurge type X range provides a full purge and pressurization solution for electrical enclosures and other equipment installed in Zone 1 or…
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Industry

  Working with a ground-breaking company building centrifuges for bio-diesel separation   Overview Glycerol is produced as a by-product…
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  Supporting a specialised engineering and construction firm on the upgrade of a processing & packaging line for specialty chemicals.…
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  Helping a packaging OEM upgrade their systems for hand sanitizer filling   Overview Driven by the spread of the CoronaVirus, there has…
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  Certified solutions for botanical oil extraction production lines   Overview Botanical oil extraction is a multi-stage process that…
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  Making a non-certified HMI suitable for use in a hazardous area   Overview Working with a client specializing in the manufacture of pump…
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  Working with an Automation and Control company to create a custom solution for sample bottle washing systems   Overview The client…
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  Working with a leading energy systems company to develop a purged solution for upgrading gas engine control systems   Overview The client…
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  Working with a leading manufacturer of process analysers to develop a Zone 1 CEMS solution using a safe area analyser. …
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  Working with an instrumentation OEM to solve problems with premature failure of electronics in dirty environments   Overview After mining…
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  Ex nR (Restricted Breathing) an alternative method for Zone 2 certification   Application Purging & Pressurisation is generally the…
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  Working with the world's leading hydrogen gas compressor manufacturer for hydrogen refuelling stations   Overview The use of…
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  Gas detection in a Zone 2 Hazardous Area   Application Gas analysis and detection systems are in widespread use across chemical and…
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  A Zone 1 and 2 certified Ex p enclosure suitable for any standard desktop PC   Application The use of desktop PCs is widespread in…
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  A certified MiniPurge system suitable for a range of robot model sizes   Application The use of robotics in industry is widespread, with…
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We are saddened by the passing of Queen Elizabeth II, the longest reigning Monarch in Britsh history. For more than 70 years, she was an emblem…
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Our November newsletter is out. In this edition read about: - Tackling hazards around Hydrogen- Camera systems for hazardous areas- Solutions for…
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Expo Technologies arrangements over Christmas and the New Year. As another year draws to a close, everyone at Expo would like to take this…
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Expo has been working with hazardous area equipment manufacturers for more than 6 decades - we've built more than 17,000 purge systems and…
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Growing hydrogen demand. As the world continues to grapple with the energy crisis and the need for clean energy solutions, hydrogen has emerged as a…
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Installation of electrical equipment in hazardous areas is heavily regulated and controlled through codes and standards, issued by many countries or…
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Our May newsletter is out. In this edition read about: 1. Featured Article - Purge & Pressurization Standard Update2. Featured…
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Our August newsletter is out. In this edition read about: 1. Featured Article – Gas Analysers in hazardous areas (why the sample…
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Expo's purge & pressurization systems protect more than 17,500 electrical enclosures and systems around the world. We can help you operate in…
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In the fast-paced world of business, it takes a special kind of individual to excel as a territory manager. Meet Matthew Caslow, one of Expo…
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Our November newsletter is out. In this edition read about: 1. Featured Product – SmartPurge II2. Featured Application – Mobile Equipment3.…
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Expo Technologies, along with our local partner Pushkaraj Enterprises, will be exhibiting at CEM India. Following on from the success of previous…
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The ever-evolving terrain of hazardous area protection industries demands a unique calibre of territory manager who prioritizes customer needs and…
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Our 2024 - February newsletter is out. In this edition read about: 1. Featured Application - Protecting Electronics from Dust and Corrosion…
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Expo Technologies will be exhibiting at the Analyzer Technology Conference. In keeping with a long tradition of in-person technical conferences and…
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Purging & Pressurisation is generally the best solution for electrical enclosures with a variety of equipment inside. The traditional collection…
Application
Gas analysis and detection systems are in widespread use across chemical and petrochemical processing industries. Many of the operating environments…
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Use of desktop PCs is widespread in industrial manufacturing areas. For hazardous areas this requires special attention. While Ex protected PCs are…
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Use of robotics in industry is widespread, with new applications emerging continuously. If the robotic arm system is to be located in a hazardous…
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While fixed electrical control panels are a common feature in hazardous areas, some equipment, especially mobile service equipment, requires a…
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Printers for bar code and batch number labels are found in many industrial locations. If the printer is to be located in a hazardous area, then a…
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As oil & gas extraction has pushed into new, often more extreme environments, both the use and the protection of large motors starts to become…
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Expo Technologies has been working with the Upstream Oil and Gas sector for more than 5 decades. In an industry where the potential for a major…
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As the power generation industry moves away from coal to natural gas and towards low carbon sources, such as biogas and hydrogen, Expo is well placed…
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Petrochemical processing plants, as well as many other speciality chemical facilities, have large areas classified as hazardous, requiring all…
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The widespread use of automation across many manufacturing industries brings clear benefits in terms of efficiency, costs, and quality.  Further…
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Water treatment facilities present operators with a range of risks - working around deep water and in confined spaces, plus the hazards associated…
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In addition to the design and manufacture of Purged and Pressurised enclosures, Expo can provide an IECEx or ATEX Certification service once the…
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Expo Technologies’ team of consultants and certification engineers have the experience and knowledge to support our customers through the…
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Expo Technologies offers a range of training courses from basic hazardous area familiarisation to in-depth product maintenance. User training This is…
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Expo systems are well known for reliability and generally give long, trouble-free service. With close to 9,000 motor systems, more than 16,000 small…
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Pharmaceutical manufacturers invest huge sums in drug research and development. Once a formulation moves to volume manufacture, product quality and…
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Original Equipment Manufacturers (OEMs) approaching hazardous area opportunities typically have a choice:  to develop products from the ground…
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If you are new to the hydrogen economy, or expanding your operations, then Expo can help you and your products navigate the complexities of hazardous…
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If you are an analyser manufacturer wishing to develop hazardous area systems, then Expo can help you find the right solution and navigate…
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However long you've been part of a Panel Shop Program, Expo can help  Expo has been working with hazardous area equipment manufacturers for more…
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 Working with the world’s leading magnetic bearings manufacture to develop a UL compliant hazardous area control system.   Project brief:…
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  Developing a custom purge system for a solar cell wet processing tool using special solvents to surface-treat silicon wafers. Project brief…
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Working with a leading manufacturer of industrial heating systems to develop a large, multi-compartment Ex p panel.   Project brief The client…
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  Working with a global leader in marine terminals and single-point mooring systems to design and build low and medium voltage Ex e enclosures…
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  Working with a world leading HV (High Voltage) motor manufacture to provide the power and torque required to drive a large reciprocating…
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  Working with a world leading reciprocating gas compressor manufacture to develop a better solution for inert gas buffering   Project…
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Working with a world leading HV (High Voltage) motor manufacturer on a very low temperature project   Project brief As oil & gas extraction…
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  Working with a large motor manufacturer in Asia to develop a motor purge system with a very high leakage compensation capacity.   Project…
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  Working in partnership with a leading fire pump control manufacturer to develop a Zone 2 certified solution from an existing safe…
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  Working with a leader in the gravimetric dispensing industry to provide Ex p protection solutions for flammable applications   Project…
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  Working with a robotic systems and camera manufacturer to provide a flexible Ex p solution for cameras in automotive painting applications…
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  Working with an OEM specializing in the manufacturing and fabrication of fibre optic connectivity products and…
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  Helping a robotic systems manufacturer develop a purged & pressurized solution for automotive paint robot arms   Background Robotic…
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  Working with a leading gas analyser manufacturer on hazardous area protection for a hydrogen system   Overview As the hydrogen…
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  Working with a manufacturer of forecourt dispensing systems to develop a certified hydrogen dispenser   Overview A hydrogen filling…
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  Working in partnership with a leading EPC to develop certified battery charging panels for a fire pump system   Background Fire fighting…
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  Working in partnership with a technology consultancy to develop a hazardous area machine vision system   Background There are many off…
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  Working with a leading trace contaminant analyser OEM to develop a hazardous area solution for a Mercury analyser   Overview Trace levels…
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  Working with a leading integrator of process spectrometers to develop a mobile solution for a pharmaceutical application   Overview…
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  Working with a leading high voltage motor manufacturer to develop motor purges for challenging conditions   Overview The client is a…
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  Working with a client to develop a purged solution for upgrading oil field equipment control systems   Overview The client, who…
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  Working with a client to develop a pressurized room solution for a dusty, non-hazardous location   Overview The client operates an…
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  Working with a global aircraft manufacturer on control enclosures for a fuel test facility   Overview The client is a multi-national…
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  Working with a world leading integrator of analysers to develop an Ex p solution for TOC analysis   Overview & Project Brief The…
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  Working with one of the leading global manufacturers of precision instruments for use in laboratories and manufacturing applications.  …
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  Multi-party collaboration to install & commission motor purge systems and controls enclosures at an oil import terminal   Overview…
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  Working with an OEM and integrator of industrial camera systems to develop a hazardous area solution for use on drilling platforms and rigs.…
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  Working with a manufacturer of automated industrial surface preparation systems develop a hazardous area solution.   Overview &…
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  Working with a Norwegian engineering consultancy to develop hazardous area water treatment systems for installation on Floating Production…
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Hazardous areaequipment protection Expo Technologies help to deliver a safer world. With more than 60 years’ experience, we help you…
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This is where you can find resources relating to our products and services. Use the filters opposite to search for the specific resource you require…
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Simplifying Complexity. Delivering Safety. With more than 60 years’ experience and deep knowledge of hazardous area standards, Expo Technologies…
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Every day, Expo solves hazardous area problems for customers. Read more by clicking on an item below. Use the selection boxes on the right  if…
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You can view our news articles by clicking on an item below. If you would like to receive regular updates, please sign up to our newsletter here
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Product Line

  A Zone 2 certified mobile, plug and play, Ex p enclosure    Application While fixed electrical control panels are a common feature…
Case Study
  A custom Ex p enclosure for label printers in a hazardous area    Application Printers for bar code and batch number labels are…
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  Motor Purge capable of operating in extreme environments    Application As oil & gas extraction has pushed into new, often more…
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  Working with a customer in the Czech Republic to develop a large format display screen system for hazardous areas   Overview While…
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  Working with NASA to develop a rapid solution for pre-launch particle counting in a rocket payload bay   Overview Satellites and other…
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Product Range

With more than 7,500 purge and pressurization systems supplied for large electric motors and generators, Expo is the world’s most experienced…
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In some cases, high-voltage Ex e and Ex n motors installed in hazardous areas require “special measures” to be implemented prior to start-up, to…
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Expo is a world leader in the design and manufacture of purge & pressurization systems for electrical enclosures, analysers and other equipment.…
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Using standardised building blocks and automated configuration and design tools, Expo’s Fast-Track service can deliver you tailor-made enclosures…
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Some projects call for special shapes and sizes of enclosures, non-standard features or very special applications, and may also require input from a…
Product Range

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