Features: Scratch resistant film: with a protective film on the surface, the scale is clearly visible, not easy to fade Compact structure: overall compact and good sealing Factory inspection: each decompression device has passed strict factory inspection to ensure that each is a safe and reliable qualified product Large handle switch: non-slip design ensures more labor-saving Made of zinc alloy: the valve body is made of zinc alloy, which is thicker and more durable. Inlet pipe belt sintered brass filter, air outlet nozzle Purpose: pressure relief valve is a necessary part of pneumatic control valve, making the origin of the pressure reduce and stability to a fixed value so that the valve can obtain a stable source of air power for regulating control Specification: Model: YQD-09 Material:Valve body zinc alloy + internal fittings brass Rated input pressure: 15Mpa Rated output pressure:1.25Mpa Rated flow rate: 40m³/h Weight: 763 g / 26.9 oz(approx.) Package list: 1 *Nitrogen Pressure Reducing Valve Meter 1* non-slip handle switch 1 * instruction