Our 10th Type IV Pressure Vessel Certification

We have now certified 10 Type IV pressure vessel sizes for CNG/RNG use.  Our latest is our biggest yet at 21 x 86″ and holds 350L with a 29.8 gasoline gallon equivalent (GGE) and a 26.8 diesel gallon equivalent (DGE). Our full CNG Type IV pressure vessel range is now: We are also currently developing […]

Now delivering 21×60″ cylinders

We have now certified, made and are delivering 21 x 60″ pressure vessels.

Delivering our biggest order yet – 123 19×42” cylinders

We have really ramped up production and are now delivering at a rate of 1,000 tanks per annum. Next step 1,500 tanks per annum.

Shipping our first round of Type IV 19×34″ CNG cylinders!

Optimum is now fully CSA NGV2-23 certified and producing type 4 pressure vessels, with a stacked order book! Optimum manufactures these cylinders from liner to finished product in house. We control every aspect of these cylinders from start to finish which allows us to ensure quality all the way through. Our Australian team help set […]