The leading flow control specialist, Bürkert, has unveiled the Type 2707 pinch valve, designed specifically to meet the ...

They also observed an effect of fluorescence signal amplification when single fluorescent molecules are confined in the tiny nanospace inside the valve. The effect can be ascribed to the ...

A review board determined "the most likely cause of the malfunction was a failure of a single helium pressure control ... seal capability that was most likely due to a mechanical failure in the ...

Any Chevy engine, if it's well-modified or just slightly warmed-over, requires a good set of valve seals. Originally, a small rubber O-ring, fitted in the second valve stem groove, served as the ...