Features: 1.Brass safety valve 2.Top quality,factory price. 3.Material: brass body,brass ball,aluminum handle. 4.All size Technical parameters:Max. pressure : 10barBody material: brassWater temperature: 5-110°CMedia: water airDiaphragm: EPDMPressure adjustment range: 1.5-2-2, 5-3-3, 5-4-5-6-8-10bar.1)Light weight,2)High strength3)less resistance4)Corrosion resistance5)Sound insulation6)Easy to ...