1.safety valve 2.top quality,factory price. 3.material: brass body,brass ball,aluminum handle. 4.all size JD-4131 safety valve1)Light ... :<150C5.Pipe thread to ISO228 Yuhuan Jiaodu Valve Co., Ltd can supply many kinds of valve. we also can help our clients ... give u the best price with high quality. JD-4131 safety valve