As the heart muscle contracts, it propels the blood out into the vascular system. The heart’s chambers and valves are arranged to direct the flow of the blood as the heart beats. The heart has two ...

Primed to view any unusual behaviour by Valve as evidence of Half-Life 3's development, fans have naturally speculated that this hidden game is Gordon Freeman's long-awaited third adventure. But ...

Designed specifically for sanitary applications, such as food processing, pharmaceutical processing or medical device manufacturing, the quick-clean series of rotary airlock valves from ACS Valves ...

The BT series blow-through feeder/airlock from ACS Valves is designed to ensure optimal bulk density and throughput of hard-to-convey materials such as fine powders and flakes that, in high-pressure ...

So does a rotary airlock. Locomotive sander systems spread sand on the rails to increase traction. The sand is gated with a “sand trap”. A pipe supplies sand to a ‘valve’ with a sharp ...