Ex-tech Signalling® is a UK-based manufacturer of explosion-proof audible and visual signalling equipment, specializing in certified safety solutions for hazardous and industrial environments. Founded in 2012, the company designs and manufactures ATEX, IECEx, and SIL2-compliant signalling products from its manufacturing facility near Plymouth, United Kingdom. As part of the Pioneer Safety Group, Ex-tech Signalling delivers high-performance warning devices engineered to provide reliable operation in some of the world's most demanding and potentially explosive environments.

Its product portfolio includes explosion-proof beacons, sounders, combined sounder-beacon units, manual call points, push buttons, and visual status indicators. Products available from the Ex-tech Signalling range include the Explosion Proof Manual Call Point “Break Glass” – CP135, Explosion Proof Sounder & Beacon Combination (GRP) – SB150, Explosion Proof Beacon Status Light – BC125, Explosion Proof Status Light Combination (Stainless Steel) – SL125, Explosion Proof Manual Push Buttons (GRP) – PB135, and Explosion Proof Sounder Horn – SD150.

Engineered for Hazardous Area Safety

Ex-tech Signalling products are designed to provide clear, dependable audible and visual warnings where equipment reliability is critical to personnel safety and operational continuity. The range combines explosion-proof construction, high-visibility visual signalling, and high-output audible warning devices for hazardous and demanding environments.

Key product features include:

• ATEX and IECEx certified explosion-proof signalling equipment

• SIL2 compliance according to IEC 61508 and IEC 61511 on applicable products

• Flameproof and weatherproof construction

• High-visibility LED beacons and status lights

• High-output sounders and horns for critical alarm notification

• GRP and 316L stainless steel construction options

• Borosilicate glass lenses on selected products

• Configurations suitable for hazardous gas and dust environments

• Robust construction for corrosive and demanding industrial conditions

The SB150 Explosion Proof Sounder & Beacon Combination, for example, combines audible and visual signalling in a single explosion-proof assembly. It is ATEX/IECEx certified, SIL2 compliant, constructed from GRP, and designed for hazardous and corrosive environments. The SB150 range is certified for ATEX Zones 1 and 2 for gas/vapour and Zones 21 and 22 for dust/powder applications.

The SD150 Explosion Proof Sounder Horn provides powerful audible warning for hazardous environments and is available as a GRP, SIL2-compliant solution. Ex-tech Signalling identifies the SD150 and stainless-steel SD125 as explosion-proof sounders certified for potentially explosive atmospheres.

Solutions for Critical Industrial Applications

Ex-tech Signalling products are deployed across industries where reliable alarm and notification systems are essential for protecting personnel, equipment, and infrastructure.

Key application areas include:

• Oil & Gas – Explosion-proof warning systems for offshore platforms, refineries, terminals, and processing facilities.

• Chemical & Petrochemical – Audible and visual signalling for hazardous processing plants and explosive atmospheres.

• Marine & Offshore – Corrosion-resistant signalling equipment designed for harsh marine environments and offshore installations.

• Hydrogen & Alternative Energy – Certified signalling solutions for hydrogen production, storage, and related energy applications.

• Industrial Manufacturing – Safety notification systems for factories, warehouses, utilities, and demanding industrial facilities.

• Fire & Gas Systems – Audible and visual signalling devices for emergency notification and alarm systems.

The SB125 and SB150 sounder/beacon combinations are specifically listed for applications including oil and gas, chemical, petrochemical, pharmaceutical, marine, and offshore environments.

Manufacturing Excellence and Quality Assurance

Quality and engineering precision are fundamental to Ex-tech Signalling's manufacturing philosophy. Every product is manufactured in the United Kingdom within an integrated production facility that oversees the complete product lifecycle, from engineering design through certification and final testing.

Quality assurance includes:

• In-house product design and engineering

• Controlled material selection and manufacturing

• Comprehensive assembly and functional testing

• International hazardous-area certification

• ATEX and IECEx certification

• SIL2 compliance on applicable product ranges

• Continuous product development for demanding industrial applications

Ex-tech Signalling maintains control over the design, material selection, assembly, testing, and certification of its signalling products, supporting consistent quality and reliability.

Reliable Protection Without Compromise

Ex-tech Signalling products are designed for hazardous environments where dependable warning and notification are essential. The combination of explosion-proof construction, audible and visual signalling, hazardous-area certification, and robust materials makes the product range suitable for demanding industrial, marine, offshore, chemical, and energy applications.

Through UK-based engineering and manufacturing, Ex-tech Signalling provides explosion-proof signalling systems designed to enhance workplace safety, regulatory compliance, and operational reliability in hazardous environments.

Certifications