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World Leading Marine Emissions Calibration Gas Mixtures

Now ISO 17025 Accredited!

Ensure you have the right calibration gas, in the right place, at the right time – and rest easy knowing your Emission Monitoring System is calibrated using market leading span gas from a company you can trust.

FastCalGas™ has supplied gas to the key OEMs in gas detection for over 13-years and we’re the trusted gas supplier of choice for the major oil and gas companies worldwide – offering guaranteed compatibility with all systems.

FastCalGas 1-2-1 Solution

Calibration Gases for the Global Marine Industry.

Fastest quote and delivery service


Quotes within 4 hours and 98% of FastCalGas™ orders are shipped within 24 hours.

Dedicated Customer Service Specialists


We’re experts in calibration gas and offer a fast, friendly and professional service.

Longest shelf life in the industry!


We use the best quality materials and our reactive gases boast a 27 month shelf life!

Faster and Cheaper Shipping


Thanks to global stockholding. We hold extensive gas stocks in key markets, enabling us to keep our prices low and supply fast. We’ll even hold gas stock on your behalf at any of our global gas hubs.

What Our Customers Say

“Switching to FastCalGas™ was an excellent move – good communication, easy to get through to a representative on the phone & email, quick responses and fast delivery… everything I need from a gas supplier.”

“What a refreshing change! All promises the FastCalGas™ team have made have been kept & our gas has not once missed the vessel.”

“Gas arrives on time, lasts longer & I don’t have any complicated paperwork to contend with – thanks for the great service guys, you’re head and shoulders above other suppliers I’ve used.”

“Put simply, FastCalGas™ gets to us quicker and is a more reliable service than any other I’ve used in my 25+ years working on ships”

“EXCELLENT SERVICE! Been using FastCalGas™ for the last 12 months. They’ve advised me on a number of occasions and their knowledge about gas and hazardous good paperwork is second to none. Always very prompt with delivery & the price is very reasonable too.”

“Having a fully account managed service has removed the strain from buying gas. I’m no longer buried in hazardous goods paperwork and as a result gas doesn’t gets stuck in customs for days on end. Delivery is fast and reliable… I wouldn’t hesitate to recommend this service”

Get Started

Enquire now to secure your supply of ISO:17025 accredited calibration gas

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