TEST RESULTS & EVALUATIONS      CFValve™ Proven Effective

The CFValve™ has been tested for performance and utility at many research facilities. Experiments and evaluations of the valve were conducted in a variety of application scenarios for both crop and non-crop situations. Below are some of those results.

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1.Flow Control of Lever Operated Knapsack Sprayers with CFValve™- a constant flow valve, Dr. David McAuliffe, International Pest Control, Jan-Feb 1999, Vol. 41, number 1,Pg. 21.

-comprehensive summary of the performance and function of the CFValve™ when used with knapsack sprayers. Article addresses the effect of the CFValve™ on spray solution management, distribution of spray within the crop canopy, off target movement of spray, and pest control.

2.Improving the Quality of Herbicide Applications in Malaysia Using CFValve™

Ooi Kok Eng-DuPont Far East, Dzolkhigli Omar-Univ. Putra Malaysia, Dr. David McAuliffe, Crop Protection Magazine, 18 (1999) 605-607/ -compares weed control, chemical deposition and applicator exposure for equipment configured with and without the CFValve.

3.Protective Clothing and Application Controls for Pesticide Applicators in India: A Field Study; Dr. Anugrah Shaw, Radhika Nomula, and Bharat Patel

-evaluation of exposure of applicators to chlorpyrifos using protective clothing with and without the use of the CFValve™. For more information on work with protective clothing (Hyperlink)

4.Evaluation of CFValve™ and Air Induction Nozzle in Okra, Cotton and Tea; Tests conducted by Dr. A.K. Somchoudhury, Bidhan Chandra Agricultural University, India.

-tests compare water use, chemical use, and labor required to treat crops with and without CFValve™ and low drift nozzle. Pest control, spray deposition and worker exposurer are also determined.

5.Comparison of Flow Rates for Flat Fan Nozzle Series: Measured verses Expected for 1.45 and 2 bar CFValves™

6.Evaluation of output pressure and flow for 1.45 bar CFValve™ with varying input pressure

7.Durability and Reliability Tests of the CFValve™ on knapsacks: Professor Graham Matthews Imperial College , International Pesticide Research Centre,UK

8.Technical Report 3.22.2000 Consistency of Flow Rate from F80/.08/3 Nozzle at Input Pressures of 20 to 90 psi using 1.0BAR (14.5psi) CFValve™

9.Technical Report 3.15.2000 Consistency of Flow Rate from F110/1.2/3

Nozzle at Input Pressures of 35psi using 1.45BAR (21psi) CFValve™

10.Technical Report 1.21.2000 Flow Rate Measurements for 2.0BAR (29psi)

CFValve™ and CDA Nozzle.

11.Technical Report 3.30.2000 Consistency of Flow Rate from F80/0.8/3 Nozzle

at Input Pressures of 60psi using 3.0BAR (43.5psi) CFValve™