standard: CJ/T3006 working water head:5m leakage:1.25L/min*m driving type:manual, motor standard: CJ/T3006working water head:5mleakage:1.25L/min*mdriving type:manual, motorThis gate is light and economic, sealing material is cast iron, it is suitable for sewage water projects and other water system. light type round sluice gate