Understanding Spiral Wound Gasket & Color Code

מאת Faina Miller
בתאריך 18 פברואר, 2022

As much as it is imperative to know everything about a spiral wound gasket, having an idea about its color coding is extremely vital too.

Understanding Spiral Wound Gasket & Color Code

The same is crucial because it will allow you to get hold of the right gasket. If you end up using the wrong one, it means a waste of time, and money, which by the way nobody wants to experience. With that being said, let us get started with what a spiral gasket is, and what precisely the color codes are.

Explaining A Spiral Wound Gasket

A lot of people call it SWG. Do you know what SWG is? Well, it is a short form of a spiral wound gasket. For anyone who is new to these gaskets, they are basically fabricated from metal strips that are very thin. What happens is these strips are connected between the layers of fillers that are non-metallic fiber.

Next, a spiral wound gasket has substitute spiral layers that are made from thin metal sheets again. All of these layers are wound in the right manner. By right manner, we mean spiral forms. This is primarily the name given as a spiral wound gasket. Talking about the popularity of these gaskets, one major reason is the range of sizes and shapes available for buyers. Whether it is offline or online, you will be able to discover some top quality and economical gaskets.

Color coding of a spiral wound gasket

There are a lot of people who are not aware of color coding when it comes to understanding spiral wound gaskets. Well, for anyone who does not know, these are gaskets that are painted by the professionals. By professionals we mean people who have immense experience, knowledge, and skills in the industry. In addition to this, they also have the license and certificate to perform the service. 

The spiral wound gaskets are painted in accordance with ASME B16.20. The reason behind the same is it becomes simple and hassle free for customers and workers to get hold of the right spiral gasket. The table below will let you understand everything about spiral wound gasket color coding.

Material 

Abbreviation 

Color Code 

Titanium 

TI

Purple

Monel 400 

MON

Orange

Nickel 200 

NI

Red 

304 LSS

304

Yellow 

309 SS

309

No color

430 SS

430

No color

316 LS

316L

Green 

321 SS

321

Turquoise 

347 SS

347

Blue

Everytime you want to get hold of a spiral wound gasket, keep the color code in mind, and end up getting the right one. We hope this table will help you in the best possible way.

The Bottom Line

Selecting the right spiral wound gasket is of utmost importanceWe hope this piece of information has been able to serve its purpose. In order to find out more about gaskets, including flexitallic spiral wound gaskets, do yourself a favor and browse through the internet. Any information you want to acquire about the gasket, its material, color coding or something else can be found here.

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