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The job of an anti-extrusion ring

O rings perform an essential job supporting various applications. Creating a tight seal between the two housing parts that hold it, o rings help prevent liquids and gases from escaping from an application, preventing any detrimental harm and defects from occurring....

What Gaskets Are Best for High-Pressure Vessels?

When it comes to the choice of gaskets on the market today, it can feel quite overwhelming to know which is the right option to use alongside high-pressure vessels. The pressure in these types of vessels can be extremely dangerous and explosive when they are not...

O-Ring Squeeze Ratios – Everything You Need to Know

If you need to install an O-ring seal, you might be wondering what you need to know about squeeze ratios. Specialist Sealing Products offers a wide range of products for your needs, and we’ll be here to help you when selecting the right design and material for your...

Spiral Wound Gaskets and Their Use in the Power Generation Industry

Within the power generation industry today, there are constant challenges to face. Over the past decades, many changes have occurred in this industry, with different fuels used to produce energy. In order to withstand the high temperatures and the conditions of this...

Shelf life of an o ring

It may seem a surprising topic of conversation, but when it comes to o rings and seals, it's important to note that they do have a shelf life, which, if not monitored and regularly checked, can affect their quality and overall performance.  How and where you store...

What are Encapsulated O-Rings?

When discussing the various o-ring options on offer, you might hear encapsulated o rings being discussed. This type of o-ring offers many advantages to manufacturers, but you’ll want to ensure you understand its proper application before purchasing...

Everything You Need to Know About Large O-Rings

Large O-rings, which are often referred to as giant o-rings, are used in a wide variety of applications. They are primarily needed for jobs where heavy machinery or equipment are used, but you’ll find there are a variety of options on the market when choosing large...

How to Avoid Pipeline Flange Corrosion

Our team is all too aware of the risks of corrosion, but it’s something that you can work to avoid in your home and workplace. Preventing corrosion isn’t always an easy task, which is why it’s such a common problem within buildings in the UK. Visit our homepage for...

O-rings suitable for the pharmaceutical industry

O rings are widely used across various industries to support a variety of different pieces of equipment and applications.  They provide an essential function and are ultimately moulded and manufactured to ensure they provide a continually high level of quality through...

The Best Chemical Resistant Gaskets for Sulfuric Acid

If you are using sulfuric acid on a regular basis within your industry, you might be aware of how corrosive it can be. While it can be useful for dyes, explosives, fertilisers, and many more applications, finding a chemical resistant gasket can often be one of the...

What is a Spiral Wound Gasket?

Spiral Wound GasketFor daily purposes, gaskets are merely indispensable. Hence, it makes total sense when one thinks of having a gasket that can withstand variable fluctuations in pressure and temperature. It should also survive in situations such as flange rotation, adequate creep and bold stress relaxation, optimum flexibility and much more. This is where a spiral wound gasket comes in handy. These types of gaskets are usually manufactured in a combination of a pre-formed engineered strip of metal and a filler material; both of which must be alternating each other. In doing so, the design offers an excellent seal at the time of being compressed. In fact, the metal strip has been shaped such that it looks more like a loaded spring and that is a resilient one, under diverse situations.

Meant for multiple purposes

The spiral wound gaskets or SWGs are usually meant to fulfil a number of tasks, particularly in piping systems all over the world. Besides this, their cost is the bare minimum and stands out for extreme durability and flexibility. Another plus factor is that the use of it is not limited to any pressure class. The shape has also been made such to resist blowouts. On account of these and more, the industry has assigned the tag of ‘fire safe’ gasket to this one.

Many however make a mistake of assuming that all spiral wound gaskets are the same, which is not so. It is primarily owing to metal quality, filler quality (like thickness, grade, density), machine-made or not that is capable of controlling pressure and tension on gasket winding; all of which are strong determiners of the differences in the quality of gaskets.

Common styles of gaskets used

Ideally, there are three standard styles of spiral wound gaskets, which are as follows:

  • Style D: This consists of only a sealing element (D), meant for several applications and variable conditions.
  • Style DR: This one has only a sealing element (D) and a centring ring (R), which is more of an external body that centres gasket on a primary flange face and functions as a compression stop.
  • Style DRI: This has a sealing element (D), the centring ring (R) and the inner ring (I), which helps the gasket to stay protected from any form of corrosive substance and high temperature and pressure (usually inward buckling happens for the latter).

Benefits and applications are aplenty

The fact that spiral wound gaskets have been made so rigidly is why stability is supreme. Also, their designs have equipped the gaskets to withstand the extreme level of exhaustion without showing any dip in performance.

For the ideal sealing solutions in heat exchangers, utility holes, boiler hand-holes and flanged joints, this is the type of gasket that one should choose over anything else. The make is such that any form of toxin or corrosion is taken in very well by this gasket.

One can browse through the different companies that stock these items like Specialist Sealing Products and thereby make the right purchase. It is only after using one will come to know the key reasons behind its immense popularity.

Find Out More Here!

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