Description: Material: Solid Brass, Chrome Finished Adjustment: With the valve knob, it can be adjusted air pressure according to your needs. Gauge Meter: This set has a gauge meter, you can check the pressure clearly and easily. Filter Net: Built-in stainless steel filter net can filter the impurities in the flow media. Application: Hydraulic instability, water flow too fast, water purifiers, solar energy, gas heater,etc. Specification: Working Temperature -10 °C ≤ t ≤ 120 ° C Working Medium of the Valve : water, oil, gas, etc. Size: DN15(Inner Thread: 2cm/ 0.79inch), DN20(Inner Thread: 2.5cm/ 0.98inch) Installation Guide 1.Please ensure the sealing material is clean. 2.The medium doesn't consist of particles, corrosive gases or liquids. 3.When the ball valve handle is parallel to the valve body direction, it is open, and when it is vertical, it is closed. 4.When the internal thread is connected to the ball valve, please attention to the length of the external thread of the pipe end to avoid deformation of valve body affect the sealing performance. Package Includes: 1 X Brass Pressure Reducing Valve