What is a Venturi Fertilizer Injectors?A venturi is a device which creates a vacuum when fluid flows through it. The fluid which creates the vacuum is know as the motive fluid. The motive fluid for irrigation injectors is the irrigation water itself. Vacuum created by the venturi sucks fertilizer or chemical into motive water. How to work a Venturi?Our Venturi are water driven, ie they are driven by the pressure of the main irrigation pipeline. The energy to run these devices reduces the irrigation water pressure of the water line.Applications:Fertilizer and chemical injection through drip and sprinkler irrigation systems. Features:Made of engineering plastic.Excellent chemical resistance to most of the chemicals.Highly efficient and compact differential pressure injection device.Economical and low cost option.Available in 1" BSP inlet/outlet connection. Specifications:Inlet/outlet thread : 1"Material: POMSize: 190*90*30mm;Flow range: 1.82-6.34³/h 0.7-9.5barSelf-priming capability: 34-279L/h Package include:1 x 1" Irrigation Venturi Fertilizer Injectors Notice:1.Please allow 1-3mm error due to manual measurement, please make sure you do not mind before you bid.2.The colors may have different as the difference display, please understand.