A conventional air spray unit operates byway of a remote compressor and a pressure pot the size of which can be between 5 and 15 litres.

As the operating atomising pressure is set to 2-3 Bar (1 bar =14psi) this causes considerable over spray dust. Therefore extensive masking up and ventilation is necessary.

In cases where small work is required then in place of a pressure pot a spray gun with either a gravity or suction fed pot is attached to the spray gun.

Spray painting setup.

Before commencing always read the manufacture’s instructions for use and health and safety data sheets for both the equipment and paint products.

Ensure the work area is clear and free from obstacles, all preparation has been completed and areas not being sprayed are fully protected.

For air assisted spraying the type of compressor used is generally electric. However, note that on building/construction sites a 110 volt unit is required.

Procedure:

Connect the air line from the compressor onto the pressure pot and the air and fluid lines from the pressure pot onto the spray gun.

Place the mixed paint into the pressure pot and switch the compressor on and make sure that both the the air and paint fluid lines to the spray gun are also connected and open. Check the air pressure within the pressure pot is in accordance with the product data sheet. The air supply valve on the spray gun should be turned off. Aim the spray gun into an empty container, pull the spray gun trigger back and the paint should then uniformly flow out of the gun. Once satisfied that the flow is correct slowly open up the air line until the spray fan is as required for the work being carried out.

Spray equipment available from companies and merchants such as:

https://www.brewers.co.uk/search?q=spray+units

https://www.brewers.co.uk/stores

https://www./wagner-group.com/uk/contractor

Sales and servicing:

http://www.tradepaintservices.co.uk/contact

www.sprayplant.co.uk

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Ideal for spraying decorative paints and in particular multi-colour finishes.

As overspray is minimal, the use of this type of spray unit is very cost effective as the time spent on masking and sheeting is reduced.

Spray equipment available from companies such as: Wagner-group Ltd.

https://www.wagner-group.com/uk/contractor/products-and-accessories/product/finecoat-9900-plus/

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Airless Spray
Today’s High Efficiency Airless (HEA) spray technology makes the application of paint more versatile and suitable for both exterior and internal projects due to a lower pump pressure being required. This reduction means the degree of overspray is reduced up to 50% which results in less masking up being necessary. The spray patterns can be varied therefore smaller areas and cutting in can be sprayed with ease.
Oil and water based paints can be applied by airless spray and paint manufactures data sheets will advise as to which set up and tip size is required for the best results.
The advantage of HEA is its versatility of use for either interior or exterior work as well as reduction in masking up and speed of application compared to brush or roller application.
Airless Spray General.
Airless spray pumps are available in a range of different pump sizes/ratios depending on the material to be used. The units available will accommodate products from standard emulsion paints to high build and thixotropic products. Therefore advice should be sought to establish which would be the appropriate for the project.

  Spray equipment available from companies such as:

Wagner-group Limited –  https://www.wagner-group.com/uk/our-company/

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Spraying Painting- why not?

Spray painting is not difficult; pull the trigger, paint flows, release the trigger, paint stops.

Traditional painting methods by brush and roller can be time consuming but today even though masking up of areas may be necessary, spray painting is more efficient.

Included in today’s range of spray equipment are low pressure units which reduce the amount of masking up needed.

While training is required, there are academies where the basic principles of spraying can be mastered within the day.

Once mastered the benefits associated with spray application including speed and cost savings are readily appreciated.

See range of spray units under:  And much more : Advanced Decorating Skills

The range of equipment available for the domestic and industrial applications readily available from  manufacturers and nationwide decorators merchants such as:

https://www.wagnerspraytech.com 

https://www.brewers.co.uk/products/spray-painting

Paint Like a Pro. https://www.youtube.com/watch?v=RNRay1oMHfU&feature=emb_rel_end

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