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Step-by-step solenoid valve

- Apr 15, 2017 -

Principle: it is a combination of direct and pilot type of principle, when the entrance and outlet no pressure, the power, the electromagnetic force directly to the pilot valve and the main valve closing parts in turn lift up, the valve open. When the inlet and outlet to start the pressure difference, the power, the electromagnetic force pilot small valve, the main valve chamber pressure rise, the upper chamber pressure drop, so the use of pressure to push the main valve up; power, the pilot valve using spring Force or medium pressure to push the closing member, move down to close the valve.

Features: In the zero pressure or vacuum, high pressure can also * action, but the power is large, the requirements must be installed horizontally.