DN25 Ball valve Brass Flow Control Valve DN25 with Visual Adjustment for HVAC Applications Efficient Flow Measurement: The brass flow meter features a direct reading valve that visually indicates flow, enabling quick and precise adjustments to heating and air conditioning circuits for optimal system efficiency. *Robust Construction: Made from brass, this flow meter is designed to withstand high pressures and temperatures, make sure longevity and reliable performance in various water systems. *Versatile Installation: This valve can be installed in any orientation, providing flexibility in setup and integration into existing water heating and cooling systems without the need for extensive modifications. *User-friendly Adjustment: Equipped with an adjustable scale, the flow meter allows for straightforward calibration, eliminating the need for complex diagrams or additional measuring devices for flow regulation. *Automatic Pressure Relief: The built-in safety valve automatically opens to release pressure when calibrated limits are reached, protecting the entire system from overpressure and enhancing operational safety. *Two flow rates are available: 4-15L/m and 8-30L/m. *Both connections are double-threaded. Specifications: *Product Name:Visual control valve *Material:Brass *Size:85mm *Color:As shown in the figure *Number of Pieces:1 Package Content: 1 * Ball valve