Multi-Valve SystemMulti-Valve System: Automatically Start Backwash By Pressure drop or Timer or Remote signal or Manually More Applications Available Upon EnquiryMulti-Valve System: JM Series Auto-Media Filter JMA stager controller send pressure signal to open/close Diaphragm valves,Website:http://www.kntank-global.com, automatically.Pressuer signal transmited by water or air with pressuer not less than that in inlet pipelineStart Backwash,by timer or remote signal or manually (Or pressure drop on options)Tank:FRP Vessel ; Working pressure: Max. 10 barDiaphragm valve:: plastic body,working pressure: 0.7-8 bar,working temperature:   70 ModelFlow RangeIn-outTank size D*HControlerDiaphragm Valvem3/hinchinchmmD40D50D65D65/80D100F1-243.0-7.01-1/2"24X72600X1850JMA5015F1-305.0-101-1/2"30X72750X1850JMA50132F1-366.0-13.02"36X72900X1850JMA50132F1-409.0-19.02"40X941000X2400JMA5015F1-4812.0-26.02-1/2"48X941200X2400JMA50132F1-6020.0-40.03"60X941500X2400JMA50132F1-7035-653"(4")71X941800X2400JMA50132