Valve and desuperheater designer and manufacturer Mitech has supplied its range of rotating disc valves – suitable for abrasive media – to various mining operations in South Africa, including ...

Another thing we managed to find beneath the mud was Keegan Swenson's and Tobin Ortenblad's clever tech hack, which comprised running two valves on each wheel. Ortenblad explained why.

The Lillehei-Kaster valve, clinically introduced in 1969, is a free-floating tilting disk heart valve. It is made with an inner titanium orifice ring with two small inner supports, and two lateral ...

Unbound Tech Gallery Part 1: Disc wheels, five new bikes, strange two-valve wheels and a five-week-old kitten By Josh Croxton published 2 June 2025 ...