Turcon Variseal W2 is a single acting seal consisting of a U-shaped jacket and a corrosion resistant Slantcoil spring. The Slantcoil spring in the Variseal W2 provides an almost constant load irrespective of hardware tolerances, eccentricity and seal wear.
Invinity to build 20MWh flow battery in UK
Redux flow cells have had nowhere near the R+D effort compared to Lithium ion. They certainly have the potential (pun not intended) for longer...