Understanding Airless Spray Tip Numbers

don't understand tip sizing you take the first number so we got 515 you got a five and then a one and a five the first number doubled at 12 in from the surface is going to be your fan width five m multiply by two and you got 10 in so uh 12 in from the surface you're going to have a 10in fan width now the second two digits of the tip size is the orifice size so how big is the hole that the paint is actually going through in the tip and the orifice um is that that number itself you know is a represent a rep representation of the size in I'm not sure we'll have we'll look it up in millimeters or decimeters I don't know it's one of those numbers like a 550 the orice size is a 15 a 1221 the orice size is a 21 a 21 is significantly bigger than a uh a 15 a 310 the Orit size is A10 and so it's significantly smaller than a 515 you there's times when you don't want a ton of paint going onto the surface because it might run due to the product that you're using you'll drop down in an orvus size so you can control the overspray by the fan width you can also control overspray and um lost product by the orifice size for quite a few years I used a 619 and the 619 is