Hey there! I’m a supplier of SAE HYDRAULIC HOSE R2AT 3/8, and I often get asked about the outer diameter of this specific hose. So, I thought I’d take a moment to break it down for you. SAE HYDRAULIC HOSE R2AT 3/8

First off, let’s talk a bit about what SAE HYDRAULIC HOSE R2AT 3/8 is. The SAE (Society of Automotive Engineers) has set standards for hydraulic hoses, and the R2AT is a type of hose that’s designed for medium-pressure hydraulic systems. The "3/8" refers to the inner diameter of the hose, which is pretty important for determining how much fluid can flow through it.
Now, onto the main question: what’s the outer diameter? Well, the outer diameter of SAE HYDRAULIC HOSE R2AT 3/8 typically falls within a certain range. According to the SAE standards, the outer diameter of this hose is usually around 0.87 inches (22.1 mm). But it’s important to note that this can vary a bit depending on the manufacturer and the specific materials used.
Some manufacturers might have a slightly different outer diameter due to variations in the hose construction. For example, if they use a thicker layer of rubber or a different type of reinforcement, it could affect the overall size. That’s why it’s always a good idea to check with the manufacturer’s specifications to get the most accurate information.
When it comes to choosing the right hydraulic hose for your application, the outer diameter is just one factor to consider. You also need to think about the inner diameter, the pressure rating, the temperature range, and the type of fluid that will be flowing through the hose.
The inner diameter, as I mentioned earlier, determines the flow rate of the fluid. A larger inner diameter allows for more fluid to pass through, which is important for applications that require high flow rates. On the other hand, a smaller inner diameter might be suitable for applications where space is limited or where you need to control the flow more precisely.
The pressure rating is another crucial factor. The SAE HYDRAULIC HOSE R2AT 3/8 is designed for medium-pressure applications, typically up to around 3000 psi (20.7 MPa). If you need a hose for a higher-pressure system, you’ll need to look for a different type of hose with a higher pressure rating.
The temperature range is also important. Hydraulic hoses need to be able to withstand the temperatures of the fluid they’re carrying, as well as the ambient temperature of the environment. Most SAE HYDRAULIC HOSE R2AT 3/8 hoses can handle temperatures ranging from -40°F to 212°F (-40°C to 100°C), but again, this can vary depending on the manufacturer.
And of course, you need to make sure the hose is compatible with the type of fluid you’ll be using. Different fluids have different chemical properties, and some hoses might not be suitable for certain types of fluids. For example, if you’re using a synthetic hydraulic fluid, you’ll need to make sure the hose is rated for that type of fluid.
As a supplier of SAE HYDRAULIC HOSE R2AT 3/8, I’ve seen firsthand how important it is to choose the right hose for the job. That’s why I always make sure to provide my customers with accurate information about the hoses I sell, including the outer diameter, pressure rating, temperature range, and compatibility with different fluids.
If you’re in the market for SAE HYDRAULIC HOSE R2AT 3/8, I’d be happy to help you find the right hose for your application. I can provide you with detailed specifications, answer any questions you might have, and even offer some advice on installation and maintenance.

So, if you’re interested in purchasing SAE HYDRAULIC HOSE R2AT 3/8, don’t hesitate to get in touch. Whether you’re a small business owner looking for a reliable supplier or a large industrial company in need of a high-quality hydraulic hose, I’m here to help. Just reach out, and we can start the conversation about how I can meet your hydraulic hose needs.
SAE HYDRAULIC HOSE R2AT 3/8 References:
- Society of Automotive Engineers (SAE) standards for hydraulic hoses
- Manufacturer specifications for SAE HYDRAULIC HOSE R2AT 3/8
Juye Jintongda Pipe Industry Co., Ltd
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