The DS-850K-S-LG-K is a part manufactured by Miyama. It is a three-way adjustable, normally-open, low-voltage DC solenoid valve with a built-in pressure switch. It is designed with a built-in timer that allows precise and accurate control of the flow rate. The valve is capable of being operated at pressures up to 1.2Mpa and temperatures up to 40 degrees Celsius, and can be used for liquid, gas, and other media applications. Additionally, the valve is resistant to corrosion and is available in several sizes.