Meaning of piston valve | Babel Free

Definitions

A valve which uses a hollow or double piston sliding in a cylinder to direct fluid along one of two paths

Equivalents

Examples

“We already know⟳ that a balanced slide⟳ valve requires about half as much power to move⟳ it as an unbalanced valve, but the piston valve requires only about half as much as the balanced valve.”

“The three cylinders of these engines are 18½ in. dia. by 26 in. stroke; and as the three piston valves were all between the frames, it resulted in the monoblock casting being weak, so far as the centre cylinder was concerned, with the result⟳ that the life of these castings left a good deal⟳ to be desired.”

“Piston valves move⟳ up and down by means of a spring⟳ lining up holes or wind ways in the piston with holes in additional lengths of tubing.”

CEFR level