how to chose the airless paint spray tip size for your paint material


how to chose the airless paint spray tip size for your paint material?

Airless paint spray tips are sized using a 3 digit number such as 515. The first number has to do with the width of the spraying fan and the last 2 digits refer to the size of the hole or orifice the paint sprays through.

For instance a 508 and a 515 both have the same fan width (approx. 10″) but a different size hole. The 508 has a .008″ hole and the 515 has a .015″ hole. The 508 is used for thinner paints than the 515.

 

Here is a general guideline for airless paint sprayer tips as far as orifice sizes go as compared to the paint material to be sprayed.

A basic rule of thumb is to use small tip sizes (such as 0.009in, 0.011in, 0.013in) for thin / low viscosity materials such as stains & lacquers, medium tip size (such as 0.015″, 0.017″, 0.019″) for acrylic latex / enamel / emulsion / primer etc., then for heavier viscosity coatings use large orifice sizes (such as 0.021″, 0.023″, 0.025″, 0.027″ etc).

There will be some very heavy material such as putty, drywall mud, plaster, bitumen, fireproofing etc. you will need bigger airless spray gun tip nozzle over 0.031″. Correspondly you need large airless paint sprayer equipment with more than 4L per minute volume.

 

These recommendations are based on typical 12″ distance from surface being sprayed with an 8-12″ fan size.

DP-637FF Fine Finish Low Pressure Airless Spray TipDP-637FF Fine Finish Low Pressure Airless Spray Tip

DP637T5 graco racV5 airless tipRAC V type reversible airless spray tip

DP637TX graco racX-LTX airless tipsReversible airless spray tips for latex, paints spraying

 

X-450 High Quality Airless Spray Gun With Light Weight and Soft triggerX-450 High Quality Airless Paint Spray Gun With Light weight

 

Material From to viscosity
Varnishes 0.009 0.011 thin materials
Lacquers, clear coat 0.009 0.011
Shellac (clear) 0.009 0.013
Stains – transparent 0.011 0.013
Water sealers (thin, clear) 0.011 0.013
Tung Oil (pure thinned) 0.011 0.013
Oil based paints 0.013 0.015 medium
Lacquers, water borne 0.013 0.015
Acrylics, clear 0.013 0.015
Acrylics 100%, latex int 0.013 0.015
Varnishes (low VOC) 0.013 0.015
Polyurethanes 0.013 0.015
Stains – solid 0.013 0.015
Enamels – oil-base 0.013 0.015
Latex paint – interior 0.015 0.017
Latex paint – exterior 0.017 0.019
Primers – latex 0.015 0.017
Primers – oil 0.017 0.019
Sealers 0.017 0.021
Membrane 0.017 0.021
Epoxy 0.017 0.021
Heavy Latex 0.021 0.025 thicker
Elastomerics (smooth) 0.021 0.025
Epoxy (heavy) 0.023 0.027
Membrane (heavy) 0.023 0.027
Elastomerics 0.025 0.039 thick materials
Block Fillers 0.025 0.039
Membrane (very heavy) 0.029 0.039
Epoxy (high solids) 0.029 0.039
Solventless 0.029 0.039

Airless Paint Spray Gun Tip Size Guide
The following tables display several paint applications with suggested corresponding paint spray tips. These spray tip sizes are merely recommendations. Other size tips may suffice.

Exterior Painting
Painting Applications Spray Tips
Walls and Ceilings 515, 517
Gutters and Fascia Boards 413, 415, 515
Wood Siding 515, 615, 517, 617
Stucco Walls 515, 615, 517, 617
Exterior Brick 515, 615, 517, 617
Exterior Doors and Windows 413, 415
Exterior Trim 413, 415, 515
Elastomeric Paint 523, 623, 525, 625, 527, 627

 

Interior Painting
Painting Applications Tip Sizes
Walls and Ceilings 515, 615, 517, 617
Doors 310, 410, 311, 411, 412
Windows 210, 310, 211, 311, 212, 312
Trim 310, 311, 312
Cabinets 310, 410, 311
Furniture 310, 410

And now we have developed the new FineFinish Low Pressure airless sprayer tips in Green color.

this new type of paint spray tips could generate fine atomization at 70bar pressure, which is 30% lower than the above normal paint spray tips which need minimum 100bar 1450psi pressure for atomization.

welcome to visit our page below for more details of this FFLP paint sprayer tips.

DP-637FF Fine Finish Low Pressure Airless Spray TipDP-637FF Fine Finish Low Pressure Airless Spray Tip

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