D1S2.8 25mcl mental stem Spray One-inch Metered Dose Valve is a high-precision device designed for liquid spray control. The valve adopts advanced metal valve core technology to ensure the precise control of each spray volume. Its standard spray volume is 25 microliters (mcl) with a very small error range, which meets the strict requirements for spray volume accuracy in industrial production and daily use. Structurally, the metal valve core of the metering valve is made of high-quality metal materials. After precision machining and surface treatment, it has excellent wear resistance, corrosion resistance and good sealing performance. It can maintain stable operation in various harsh working environments, thereby extending the service life of the product. In addition, the design of the valve core also fully considers the principles of fluid mechanics to ensure the uniformity and fineness of the spray, making the spray effect more ideal. The overall size of the metering valve is one inch, the design is compact and easy to install, and it can be seamlessly connected with a variety of spray bottles and containers, providing great convenience for users. At the same time, the valve also has good compatibility and can be applied to a variety of liquid media, meeting the needs of different industries for spray control.