Dragonfly
Valve
The Dragonfly Valve is a leak-free valve without compromise. We have developed this technology to enable the safe operation of valves handling aggressive, explosive, or toxic media, as well as operations at cryogenic temperatures. Being leak-free provides a zero-emission solution, reducing the global warming impact of stem leakage.
Cap on
Cap off
Cap on
Cap off
100% leak-free design
The origami-inspired Dragonfly Valve mechanism is designed in such a way that the potential gas leak paths found in traditional valves are eliminated, with fully sealed bodies preventing shaft leakage – whether the cap is on or off. The Dragonfly Valve is designed to be leak-free for life, preventing explosive and environmentally damaging gases from ever reaching the atmosphere.
The future of flow
The more freely a gas or any fluid can flow through a valve, the lower the energy required to get it to the customer. Unlike our competitors, we have not compromised the flow efficiency of our valve in order to increase its containment characteristics. The Dragonfly has market-leading “full-bore” flow characteristics for minimal energy consumption.
Optimised efficiency and minimised complexity
The Dragonfly’s proprietary operating mechanism adds only a single additional moving part into the valve design, and results in the absolute minimum force to open and close, allowing it to be operated with magnetic couplings and small and extremely efficient electric actuators.
Putting the customer in Control
We work with customers directly to provide the safest and most sustainable valve solution for their needs. The Dragonfly Valve gives customers with highly demanding process conditions, including handling hydrogen and ammonia, the ability to operate infrastructure that’s safer, more sustainable, and simpler to maintain.
Our valve range spans sizes from 8mm to 250mm diameter, with operating pressures up to PN 400 (class 2500), handling a range of gasses and chemicals, with cryogenic temperatures on the horizon. The choice of actuation is yours, but we have optimised the Dragonfly Valve to operate with low-power electric quarter-turn actuators.
Cryogenic
Ammonia
Hydrogen
Natural Gas
We don’t compromise
on Efficiency
Until today, if you wanted to ensure gas stayed in the pipe, you needed to add a serious complexity with multiple sealing methods or embedding actuation within the pipe. The Dragonfly Valve keeps it simple. We add just one extra moving part over a traditional ball valve to reduce torque requirements ten-fold, and then operate it with magnetic couplings which are an established technology in pumps. With this no-fuss design, the Dragonfly Valve is intuitive and familiar to operate and maintain.
The Dragonfly Valve provides the long wear life and excellent flow capacity of an eccentric ball valve, but can be actuated with the smallest quarter turn actuator. With such high flow and low torque requirements, the Dragonfly Valve can squeeze in where others can’t while still keeping gas in the pipe.
Traditional emissions prevention
minimise your valve package size and weight
The Dragonfly valve way
Latest News
- 16.09.24
We are thrilled to welcome back last year's summer Intern, James McMillan-Clyne, who now joins us as a Graduate R&D Engineer. Our company's mission is to become the UK's foremost [...]
- 30.06.24
A big welcome to our latest recruit, Liam Keely who joined us in June in a CNC Machinist role. Liam comes with an impressive CNC Machining background, having previously worked [...]
- 26.03.24
It was great to welcome the DESNZ team once again in our new premises in Bristol. This time we were able to share our newly added HURCO CNC machines. This [...]
