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
- 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
- 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
Wiping Stains - 009-011
- Dyes -
Exterior Stains - 011-013
Varnish - 011-013
Lacquer - 011-013
Acrylic Urethanes - 011-013
Base Paints - 011-013
Enamels - 011-015
Acrylic/Latex Paints - 015-017
Emulsions - 015-019
Elastomeric - 021-029
Fill - 019-023
Exterior Acrylic Primer - 015-019
Exterior Oil Based Primer - 013-015
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
- The fan size of a 517 is 10 inches wide, one foot from the surface
- 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
- 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
buy a new airless spray tip.
- A worn tip can be used
for primer or finish coats that will be back rolled.
- 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
- Another consideration
is the type.
- 2 types of airless
spray tips exist, these are flat tips and reversible tips.
- Do a good job and are
- 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.
- 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
Here are some the most popular tip sizes
- 415 Most popular size
for spraying just about anything. Walls, doors, ceilings, decks,
exterior siding a
good all around tip.
- 517 Very popular
for spraying int. walls, and int. ceilings.
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
board, you will need a extra
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.
runs with this tip size.
Pump must support .019.
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