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Britannia Fire introduces P50 Monnex fire extinguishers

12 June 2026

BRITANNIA FIRE continues to strengthen its P50 composite fire extinguisher range with the introduction of Monnex, a specialist high-performance dry powder for high-risk industrial settings.

Monnex powder is non-conductive and rapidly extinguishes Class B (flammable liquids) and Class C (flammable gas) fires. It works differently to standard dry powder, breaking into smaller particles in intense heat, which then increases its surface area and coverage to extinguish fires quickly and more efficiently.

Britannia Fire’s P50 Monnex fire extinguishers are ideal for high-risk sites including petrochemical plants, airports, fuel depots, power stations and manufacturing facilities. They’re also particularly suitable for isolated offshore locations such as oil and gas facilities.

All P50s are environmentally friendly and fully recyclable with a 20-year lifetime and a ten-year guarantee. Unlike traditional metal fire extinguishers, they don’t require costly external annual servicing. Instead, simple checks can be carried out by the designated ‘Responsible Person’.

Specialist solution

Andy Spence, managing director of Britannia Fire, said: “High-risk industrial sites need fire protection that performs instantly and reliably in extreme conditions. The launch of our P50 Monnex extinguisher affords site operators a specialist solution that delivers rapid knock-down on flammable liquid and gas fires, while also reducing long-term maintenance and environmental impact.”

Spence added: “By combining Monnex’s exceptional firefighting performance with the durability and service-free benefits of the P50 composite range, we can help customers to improve safety, resilience and costs in some of the most challenging sites in the world.”

The P50 Monnex fire extinguisher has been independently tested and is legally compliant and safe to use in the UK and beyond. The product is BSI kitemarked and confirms to UKCA, EN3 and the Pressure Equipment Directive.

A model certified to the Marine Equipment Directive is also available, which includes the required Schrader valve for equipment used on ships, offshore platforms and marine installations.

Durability to the fore

Andy Spence continued: “The Marine Equipment Directive approved P50 Monnex is ideal for offshore environments, where conditions are harsher and regulations are stricter. The P50 doesn’t corrode like traditional metal extinguishers and is much more durable. It doesn’t require annual servicing, which from an historical perspective has been a very difficult and costly exercise for these hard-to-reach sites. The Schrader valve allows easy pressure checks and re-pressurisation.”

Gary Wise, director of North Weald Aviation Support Services, travels the breadth of the UK, setting up and managing temporary helicopter landing sites for customers such as charter companies and TV/filming crews. His fire vehicles are equipped with a range of firefighting equipment. Wise has recently made the switch to the P50 Monnex.

“When comparing Britannia Fire’s P50 Monnex to metal equivalents,” noted Wise, “there were very noticeable benefits from switching to this more lightweight and composite model. P50s are British made, cheaper, last for a long time and don’t need costly annual servicing. The fact that we can now complete our own simple annual checks is a game-changer.”

Wise concluded: “North Weald Aviation Support Services Ltd has been built on trusted reliability and safety. That’s why we choose Britannia Fire.”

*Further information is available online at www.britannia-fire.co.uk

 
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