*The first color scheme, the color of the spray nozzle tip, describes the capacity (flow rate) of the nozzle orifice at 40 PSI and is based on Standard 10625 of the International Standards Organization (ISO) (Table 1). Nozzle flow rates are mainly a function of orifice size & pressure.*

**What is the strongest nozzle for pressure washer? ****Red Spray Tip (0-Degrees)** The red spray tip creates a 0-degree spray pattern and is the most powerful nozzle of them all.

**Are pressure washer nozzle tips Universal? ****Nozzles are manufactured specifically for each machine’s volume and pressure**. This means that each nozzle size has a different size orifice (or opening). There are a variety of sizes but the most commonly used are between 3.0 to 6.5, sized in .

**How do I know what size pressure washer nozzle I need? **

**Each pressure washer should have a specific nozzle size that comes with it.**

- Find the PSI in top column.
- Move down the column until you find the GPM.
- The orifice size will be the number in the left column of the table.

**Can you turn your hose into a pressure washer? ****No, you cannot turn an ordinary garden hose into a pressure washer**, but you can connect a high-pressure garden hose attachment that is designed to generate a more powerful stream of water. While the added water pressure is significant, the power doesn’t compare to a gas or electric pressure washer.

**Is a turbo nozzle worth it? **Turbo nozzles have been **one of the most important accessories developed**. These efficient tools provide the power of a zero-degree pattern. The circular motion also adds extra agitation to cleaning tough jobs like caked-on mud. They are designed to provide a 200% cleaning efficiency over a 25-degree flat fan nozzle.

## What do colors of spray nozzles mean? – Related Questions

## What nozzle to use to pressure wash a driveway?

## How do you read a nozzle size?

In all cases **the first two digits of the nozzle number indicate the spray angle (disperse) in degrees**. EXAMPLE: 00 is 0 degree, 15 is 15 degree, 25 is 25 degree and 40 is 40 degree. The last two digits of the nozzle number indicate the orifice size, a standard industry designation.

## How do you calculate nozzle size?

To find the correct nozzle size you need to know the flow of your system and the pressure you wish to achieve. First, **select the column with the required pressure across the top, then read down the column to find the amount of flow of your system**.

## How do I choose a spray nozzle?

Selecting Your Nozzle Size You’ll want to **determine the nozzle flow rate at gallons per minute (gpm)**. To find that, start with your application rate in gallons per acre (gpa). Next, find an efficient and safe ground speed in miles per hour (mph). Then, determine the spray width per nozzle (W).

## Are pressure washer attachments universal?

The quick answer is **no, they are not universal**. The reason for this is that wands built for electric machines are made of different materials than those built for gas pressure washers. As well as, the fittings and connectors can be different and will need to be matched up to your machine.

## What does nozzle size mean?

The orifice size of the nozzle **determines the operating pressure of your machine**. As a rule of thumb, the smaller the orifice, the greater the restriction of water flowing through the machine. This causes the pressure to increase. Choosing a nozzle with too large of an orifice will reduce operating pressure.

## What is the PSI of a garden hose nozzle?

Regular garden hoses have an **up to 200 psi** burst pressure rating. High quality can go up to 400 psi before bursting, and sometimes even a little more than that.

## How do you make a pressure washer nozzle?

## What PSI is safe for washing cars?

You should also never set your pressure washer above 2,200 psi when washing your car. **1,500 psi** is really all you need to get a good deep clean; any pressure higher than that won’t make a noticeable performance difference.

## Are rotating pressure washer nozzles better?

Rotary Nozzles or Rotary Turbo Nozzles Because it spins around in a small diameter, **it gives superior blasting power**. These nozzles are used for stains or stubborn dirt, paint prep, paint stripping wall cleaning, and much more.

## When should I use pressure washer turbo nozzle?

You would use a turbo nozzle **when tackling a stubborn cleaning job**. The higher power will help you clean up mold, dirty concrete, caked-on mud, oil stains, etc.

## Does pressure washer nozzle change PSI?

Each nozzle you add to the wand changes the width of the spray—in a wider or narrower “V”—depending on what degree angle the nozzle is designed to provide. For example, **selecting a nozzle with a narrow spray (a low-degree nozzle) will give you more pressure—PSI—in your spray, but over a smaller area**.

## Which nozzle is best for power washing deck?

Typically decks will need anywhere from a **25-degree nozzle (for more stubborn build-up) to 40-degree (for newer decks with less damage or synthetic wood)**. The higher the degree the less pressure at point of contact.

## Can you damage concrete by power washing?

The quick answer is **yes, power washing can degrade a concrete surface**. You can notice visible damage from water pressure at the level at which even light-duty power washers can operate. Therefore, if you aren’t careful, you can cause irreversible damage to your driveway or patio.

## How much psi do I need to pressure wash my driveway?

In general, the pressure needed for a pressure washer to efficiently clean your driveway is around **3000 psi**. This is enough to remove older grease and paint stains from a driveway. Along with the pressure, the flow rate is also essential.

## Are all pressure washer nozzles the same?

The Main Types Of Pressure Washer Nozzles All power washers come out-of-the-box with 3-4 color coded nozzle tips. The 40-degree is the most gentle spray. Held at the right distance you would use a 40-degree nozzle to clean windows and other fragile surfaces.

## What is the red tip on a pressure washer for?

Red-Colored Zero Degree Nozzle This nozzle is typically used for **removing tough stains and debris from concrete and metal**. Do not use this nozzle on wood or siding as this stream is very strong and powerful, and can damage a soft surface.

## What are the different color nozzles for pressure washer?

**Most pressure washers come with 4 – 5 color-coded nozzles in the box:**

- 0-degree (red)
- 15-degree (yellow)
- 25-degree (green)
- 40-degree (white)
- Soap (black)

## What do the numbers on spray nozzles mean?

Most companies identify their flat-fan nozzles with a four or five digit number (Figure 2). **The first numbers are the spray angle and the other numbers signify the discharge rate at rated pressure**. For example, an 8005 has an 80 degree spray angle and will apply 0.5 gallons per minute (GPM) at rated pressure of 40 psi.

## How do you calculate water flow from pressure?

The Bernoulli equation states that velocity is determined by calculating difference in pressure between two points, multiplying by 2, dividing by the density of water and then taking the square root. You then get the flow rate by **multiplying the velocity by the cross-sectional area of the pipe**.

## How do you calculate nozzle flow?

**3 Flow rate**

- Any nozzle will produce certain flow rate at a given pressure differential. …
- The flow rate for a given nozzle can be calculate by the following formula.
- Q= Flow rate.
- K = K factor for nozzle.
- P = Pressure differential at the nozzle.
- n = Is a constant that depends upon the spray pattern type.

## How far apart should spray nozzles be?

Nozzle Spacing The most common nozzle spacings are **20 and 30 inches**. Many sprayers are now being converted from 30 inch to 15 inch spacings. The 30-inch spacing is used for the lower application rates (7 to 10 gallons per acre) and the 15-inch spacing for the higher application rates (14 gallons per acre and higher).

## What do the numbers on pressure washer tips mean?

In all cases **the first two digits of the nozzle number indicate the spray angle (disperse) in degrees**. EXAMPLE: 00 is 0 degree, 15 is 15 degree, 25 is 25 degree and 40 is 40 degree. The last two digits of the nozzle number indicate the orifice size, a standard industry designation.

## What is 0 degree pressure washer nozzle used for?

Red-Colored Zero Degree Nozzle Delivers a small, very concentrated stream of water. This nozzle is typically used for **removing tough stains and debris from concrete and metal**.

## Do high pressure hose nozzles work?

The Big Shot high pressure hose nozzle **does a great job of recreating a high pressure washer**. The stream can be focused to a thin stream which is perfect for cleaning a small area. It is also very economical both in price and size.

## What is a turbo nozzle?

Turbo nozzles are **designed to optimize and maximize the pressure you can get out of your pressure washer**, all the while cleaning surfaces faster without exerting more effort.