Valve size of 51MM, designed for optimal performance in various applications. Optional modes include Open (vacuum valve) and Off (vacuum valve)/Electronic valve, providing flexibility for different operational needs. construction ensures long-lasting use and reliability in demanding environments. Easy installation process allows for quick setup and integration into existing systems. Versatile compatibility with various systems, making it suitable for a wide range of uses. This product features a 51MM valve size, ideal for applications requiring precise control. With optional modes such as Open and Off, it caters to diverse operational requirements. The design guarantees , while the straightforward installation process simplifies integration. Its versatility ensures compatibility with multiple systems, making it a valuable addition to your setup. Color: As Shown Material: Stainless Steel Package Contents: 1* Electronic Valve 1* connecting wire Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.