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Encapsulated o-rings are specialty seals designed for use in applications where high temperature and corrosive conditions make the use of traditional elastomer o-rings infeasible. The o-rings are comprised of two parts: a rubber inner core, which provides compression and elasticity, and a thin outer jacket made from Teflon®, which gives the seal high corrosion resistance and thermal stability. They are widely used in chemical, petrochemical, food, and pharmaceutical processes, where seals are required to perform reliably in extremely harsh environments.
Over time, exposure to extreme temperatures, continuous vibration, and corrosive clean-in-place (CIP) chemicals can cause o-rings in industrial processing operations to fail. When this occurs, fragments of rubber from seals and gaskets can shear off and migrate through sanitary systems to enter the product stream. In many processes, this issue requires little more than a short stoppage to replace the o-ring. However, in food, beverage, and pharmaceutical processing operations, where the end-product is meant for human consumption and quality is […]
According to the Oxford Dictionary, an o-ring is a round gasket that can contain a circular cross section which is often made of pliable material (rubber, plastic, etc.) that is used to create a tight seal in connections for pipes, valves, tubes, inlets, outlets, and much more. O-rings are one of the most common industry-used seals in machine design. This is because they are easy to make, cost effective, reliable, and are easy to install in many cases. O-rings can […]
What is Rapid Gas Decompression? Rapid Gas Decompression (RGD) is also commonly referred to as Explosive Decompression (ED) and is a phenomenon found in many high pressure processes. It occurs when a pressurized gas is released very quickly and can cause the rubber seals inside the piece of equipment to fail. This seal damage is not always visible because small bubbles form on the inside of the rubber seal, which can lead to seal failure. Certain o-ring compounds have been […]
About Natural Rubber You might be surprised to know that the rubber in your tires and so many other modern uses begins as a white, liquid type substance called latex that is derived from certain plants. If you cut a dandelion stem, for instance, you’ll see latex dripping from the stem. Theoretically, rubber could be made by growing dandelions, though considering the amount of rubber used in the world today, half the globe would have to be dandelion farms. There […]
An o-ring is a gasket in the form of a ring or an “o” with a circular cross section that is typically made of pliable material and is used to seal connections and joints in tubes, pipes, etc. The two most common uses for o-rings include hydraulics, or pertaining to a moving liquid operating in a confined space under pressure, and pneumatic, or pertaining to air or gas operating in a confined space under pressure. Basically, any time a fluid […]
Of the four characteristics that define an o-ring (material, durometer, color, and size), determining and properly communicating the exact size needed is often the trickiest part of an order. Applying tried and true methods for determining the correct size will save you time in the short-term and frustration and additional cost down the road. Read on to learn how to properly size an o-ring the first time around.
Neoprene o-rings are also known as chloroprene (CR) o-rings and provide good resistance to UV light, oxidation, and weather applications. The elastomer they are made from is cost effective, water resistant and weather resistant. These o-rings are most commonly used in the refrigeration industry due to excellent resistance to hazardous chemicals like ammonia and coolants like Freon 12, 14, 22, etc.
Spliced and vulcanized o-rings are made from extruded cord stock that has been cut and bonded together, as opposed to molded o-rings; those that have been compression or injection molded as one piece. Vulcanized o-rings are an excellent choice for static sealing applications when molded o-rings cannot be used due to large or non-standard dimensions, when only a few pieces are needed, or when you need an o-ring right away and cannot wait the standard lead time for molded production. […]