1.pressure reducing valve 2.top quality,factory price. 3.material: brass body,brass ball,aluminum handle. 4.all size JD-4210 pressure ... specification1.Material:brass2.Suitable medium:water,gas,oil3.Nominal pressure:1.6Mpa4.Working temperature:<150C5.Pipe thread to ISO228 Yuhuan Jiaodu ... can give u the best price with high quality. JD-4210 pressure reducing valve