1.irrigation ball valve 2.1/2", 3/4 ... 3.Standard: BS, ANSI, DIN, JI irrigation ball valve1. Material : new materials of the ABS2.Environment ... long time usage.4. Healthy ,standing corruption and high pressure.5. No vibration , no noise. ;6. ... making cost minimized7 Lowest leakage rate , high quality contrue.,Wonderful ability in chemical corrosion resistance8 ... , the color, etc. irrigation ball valve