The CFValve™ was originally designed at the request of E.I. DuPont de Nemours to improve safety and accuracy of spray deposition for agricultural knapsack applications. It has since been expanded to include compression sprayers and motorized equipment. The CFValve™ enjoys universal appeal for any process that profits from constant, calibrated flow of solutions, air or gases. Savings in labor and conservation of chemicals used, plus benefits to worker safety and the environmental protection, are significant factors for successful applications.

The CFValve™:

• eliminates the variables of unregulated spray applications. See Elimination of Variables.
• is engineered for precise accuracy to meet specific label rate application requirements. Optimum Zone.
• promises a consistent flow control that is independent of input pressure.See Elimination of Variables.
• is designed to fit most application equipment.See Insert Sheet with Specs.
• provides on-target deposition of chemical compounds when used with knapsacks, compression sprayers, tractors and airplanes. See Elimination of Variables.
• senses the back pressure of the nozzle and varying input pressure from the pump, and automatically modulates the internal orifice size to maintain constant flow.See Elimination of Variables.
• if the pressure rises above a pre-set pressure the valve opens at calibrated pressures. SeeGraphs of Color Coded Valves.
• it will automatically close if pumping stops or pressure drops below the preset pressure. See Elimination of Variables.
• is cost effective because it conserves compounds used for application, reduces waste and labor time. See Pesticide Outlook Scientific Test Results.
• offers increased worker safety. The CFValve™ aids in reducing drift contamination and requires less physical effort with manual operations.See Protective Clothing and Application Controls for Pesticide Applicators in India: a field study by Anugrah Shaw.
• provides environmental protection by reducing drift.CFValve™ enables on-target application at specific rates and diminishes excessive non-targeted deposition of materials. See Test Results DuPont.

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