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AIRLESS SPRAY TIPS

 

How to Choose the correct airless paint spray tip

- Choosing the correct size tip can affect the operation and effectiveness of the entire project.

- The manufacture will have recommendations for the max airless tip size.

- It is best to use a smaller airless tip size than the manufacture recommends, This will allow the pump

  to work less and give you more control.

- An example would be a maximum tip size of 517, use a 515 instead.

- The type of material being sprayed will determine the airless spray tip size.

- Varnish and oil base enamels are light, or thin, coatings and require smaller tips.

- Exterior Acrylic/Latex paints are thicker and require larger tips.

 

Recommended Spray Tip Orifice Diameter

 

Thin Coatings

- Wiping Stains - 009-011

- Dyes - 007-009

- Exterior Stains - 011-013

- Varnish - 011-013

- Lacquer - 011-013

- Acrylic Urethanes - 011-013

- Oil Base Paints - 011-013

- Enamels - 011-015

 

Thick Coatings

- Acrylic/Latex Paints - 015-017

- Emulsions - 015-019

- Elastomeric - 021-029

- Epoxy - 019-021

- Block Fill - 019-023

- Exterior Acrylic Primer - 015-019

- Exterior Oil Based Primer - 013-015

- PVA Primer - 015-017

 

Note: These are examples. Every paint manufacturer will have products that are thicker or thinner

than there competitors. Always look to the airless pump manufacturer and your paint supplier for suggestions.

 

Choosing an Airless Paint Sprayer Tip Size / Ideas and Basic Considerations.

- The 3 numbers used to describe a tip size, example 517, refers to the fan size and the orifice size.
- The fan size of a 517 is 10 inches wide, one foot from the surface being sprayed.

- The first number is always ½ the actual fan width.

- The last 2 numbers refer to the actual size of the orifice.

- These numbers represent thousandths of an inch, example 517 is .017 inches.
- Larger orifice size will apply more paint.

- Smaller the orifice the less material will be applied.

- Airless paint spray tips wear out w/use and this will change the fan width and orifice size.

- The fan will become more round and smaller as the tip wears out.

- A 515 could become a 617 after 50 gallons or less of material sprayed.

- If you need to spray your entire house and your tip is already a little worn, it would be best to

  buy a new airless spray tip.

- A worn tip can be used for primer or finish coats that will be back rolled.

 

Recommendations

- Consider the width of the surface to be sprayed.

- Deck railings are thin, 4 inches or less so there is no need for a wide fan.

- A 211 tip applying exterior deck stain will have a fan of 4 inches and give you great control.

- Another consideration is the type.

- 2 types of airless spray tips exist, these are flat tips and reversible tips.

 

Flat tips

- Do a good job and are the cheapest.

- Are available in many sizes, but require the use of a special airless tip housing.

- Cannot  be reversed to clear a clog.

- A needle can be used to clear most clogs.

 

Reversible tips

- Currant standard for professional airless paint sprayers.

- To clear clog turning the tip 180 degrees and pulling the trigger can easily clear them.

- The clogging material is forced out by the pressure contained within the paint gun.

 

Airless spray tips for general use

- 311 for fine finishing.

- 515 for production work.

 

Here are some the most popular tip sizes

- 415 Most popular size for spraying just about anything. Walls, doors, ceilings, decks, exterior walls,

  exterior siding a good all around tip.

- 517 Very popular for spraying int. walls, and int. ceilings.

- 413 Good size for doors, and ext. overhang and ext. siding.

- 313 Same areas as 413, just for narrower areas.

- 515 About the same areas as a 415, just a bit wider fan width.

- 211 Very small tip, used for spraying baseboard installed up on the wall. And for exterior facial

  board, you will need a extra fine red gun filter for spraying with this small of a tip.

- 719 Use for New construction w/over spray is no concern, and high output is needed. Watch for

  runs with this tip size. Pump must support .019.

 

 

 

Paint Exterior House

How to paint the exterior house.

 

 

Paint/Prep Interior House

How to paint the interior house.

 

Painting Tips The Pros

Painting tips and tricks fro the pros.

 

Removing & Applying Wallpaper

How to apply and remove wallpaper.

 

Staining Natural Wood

How to stain natural wood.

 

 

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