4.1. Input Pressure:-The Atomiser should be supplied with liquid without significant pressure head. A reservoir just above the Atomiser is often suitable, simply allowing gravity to input the liquid.

Although the Atomiser is not damaged by high pressure itself, it can be damaged by excessive flow. As the Atomiser does not regulate its own flow rate, and as maximum flow may be obtained (with water) from a head of only about ½metre (0.05 barg), close flow control will usually be necessary to restrict flow rate where the input is at significant pressure (eg. the mains water supply).

Do not connect the Atomiser directly to the mains water supplywithout close flow control, or a pressure reducing valve. The Metering Valve and Dosing Valve available from Newland Design, give close flow control and accept input pressures up to 100 psi (6 barg).

With liquids more viscous than water, some moderate input pressure may be required, to achieve flow rates above say, 5 litres/hour. In this case, a peristaltic or metering pump is usually satisfactory. Also, with more viscous liquids it is usually advisable to remove the Spray Tip (if fitted) from the end of the Feed Tube (remember - it is a left-hand thread - clockwise to remove).

4.2. Input Flow Rate:- The Atomiser is designed for flow rates up to about 20 litres/hour. The Atomiser will not fail above this figure, but the power of the motor becomes inadequate to handle higher flow rates. Then liquid may flood back up the shaft, and out of the vent holes.

Liquid flow through the Atomiser should never exceed 25 litres/hour or damage to the Atomiser's seals or bearings could occur through flooding.

Note, flow rate increases slightly with the speed of the Atomiser, due to suction generated by the unit.

4.3. Connection:-Liquid enters the Atomiser through the ¼" O/D stainless-steel hose-tail connector at the top of the Feed Tube. Flexible tubing (5 mm bore) should be used to connect the liquid; it is not recommended to connect metal or other rigid tubing directly to the unit as this would conduct the vibration of the Atomiser. Also, the liquid supply should be easy to disconnect, to allow removal of the Feed Tube for inspection. Suitabletubing is available from Newland Design.

4.4. Particulates:-The Atomiser is not especially sensitive to particulates in its input. The unit handles normal tap water (including hard water) without needing special treatment. Only if there are significant amounts of undissolved solids in the liquid is there a need for filtration. If blockage does occur, both Feed Tube and Spray Head are easily replaceable - see 6.2. & 6.3. Spares are available from Newland Design.

4.5. Viscosity:-The inside diameter of the Feed Tube (~3 mm) effectively sets the maximum viscosity of the input liquid to the Atomiser - if the liquid runs down the Feed Tube in a reasonable time, then the Atomiser can probably handle it. Some viscous liquids (including most oils) can be handled very effectively by the Atomiser.

4.6. General:-If liquid is input to the Atomiser while it is switched off, then the liquid will slowly drip out. Solenoid Valves are available from Newland Design for connection into the liquid input line, to switch on and off the liquid automatically, simultaneously with the Atomiser.

When liquid enters the Atomiser it slows down slightly and the noise level changes, as the motor feels the extra load. The Atomiser's speed is not regulated, so it is normal for changes in input flow rate to cause changes in speed.