DRAFT

5.Calculate the output of each sprayhead by dividing the total output of the sprayer by the number of sprayheads.

Example:

 

16 l/min from sprayer

Output:

 

No of sprayheads:

=

8

=

2 l/min

Output/sprayhead

16/8

6.Select the correct fixed restrictor orifice to give the required flow rate per sprayhead at the normal working pressure of the sprayer (typically about 2 bar or 30 psi). Table 3 gives the typical flow rates for fixed restrictor orifices. These figures are based on measurements with water. Actual flow rates may differ according to the viscosity of the chemical being used.

Table 3. Approximate flow rates for fixed restrictor orifices

RESTRICTOR No.

 

FLOW RATE (litres/minute)

 

 

1 Bar (15 psi)

2 Bar (30 psi)

3 Bar (45 psi)

10

0.30

0.42

0.51

48

0.62

0.87

1.07

55

0.81

1.14

1.40

86

2.05

2.90

3.55

7.Fit the appropriate orifice in the fixed restrictor of each sprayhead.

8.Place a container under each sprayhead.

9.Ensure that the chemical on/off valve is closed.

10.Fill the tank of the sprayer with at least 50 litres of the chemical to be used or a liquid of similar properties.

11.Start the chemical pump of the sprayer but do not run the hydraulic system.

12.Open the chemical valve until all air is purged from the hoses and sprayheads. Return the chemical collected in the containers to the tank of the sprayer.

13.Place the containers back under the sprayheads and open the chemical on/off valve again and collect chemical for a measured time of one or two minutes. Use a measuring cylinder or calibrated container to measure the output and calculate the flow rate in litres per minute per sprayhead.

14.Check that the flow from each sprayhead is the same and compare the total measured output rate from all the sprayheads with the calculated rate from step (4).

15.If the actual output is slightly too high or too low, it may be possible to adjust it by varying the spray chemical pressure.

16.If this adjustment is insufficient, the restrictor orifice for each sprayhead must be changed to a smaller size to reduce the flow or a larger size to increase the flow.

17.The flow must always be re-checked after making any adjustments to the restrictors or chemical pressure.

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Micron Technology Turbofan instruction manual Approximate flow rates for fixed restrictor orifices

Turbofan specifications

Micron Technology has made significant strides in the field of advanced aerospace engineering with the introduction of its Turbofan engine technology. This cutting-edge development is designed to enhance efficiency, reduce emissions, and improve overall performance in modern aircraft. The Turbofan serves as a testament to Micron's commitment to innovation and sustainability within the aviation industry.

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