In the printing and publishing industry, the electric valve complete with magnet plays a critical role in the pressroom automation systems, specifically within the ink delivery and pressure regulation mechanisms of offset printing presses. This component ensures precise control over the flow of ink and the application of consistent pressure across printing plates, which is essential for maintaining print quality and reducing waste. Fitted into the hydraulic or pneumatic circuits of the press, the valve responds to electrical signals to open or close, allowing for real-time adjustments during high-speed operations. Its integration into the machine’s control system enables operators to fine-tune settings without halting the production line, thus enhancing efficiency and minimizing downtime. In secondary applications, it may also be found in the calibration systems of digital presses, where accurate fluid control is required for color consistency and plate alignment.